Nitrogen Of The Hetero Ring Is Shared By An Additional Cyclo Of The Tricyclo Ring System Patents (Class 540/496)
  • Patent number: 8318726
    Abstract: The present invention provides a compound of formula 5, useful as potential antitumour agents against human cancer cell lines. The present invention further provides a process for the preparation of pyrrolo[2,1-c][1,4]benzodiazepine hybrids of formula 5a-t.
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: November 27, 2012
    Assignee: Council of Scientific & Industrial Research
    Inventors: Ahmed Kamal, Adla Mallareddy, Paidakula Suresh, Rajesh Venkata Chenna Rama Narasimha Chennamshetti
  • Publication number: 20120270857
    Abstract: Novel 5-HT3 receptor modulators are disclosed. These compounds are used in the treatment of various disorders, including chemotherapy-induced nausea and vomiting, post-operative nausea and vomiting, and irritable bowel syndrome. Methods of making these compounds are also described in the present invention.
    Type: Application
    Filed: June 30, 2010
    Publication date: October 25, 2012
    Applicant: ALBANY MOLECULAR RESEARCH, INC.
    Inventors: Peter R. Guzzo, David D. Manning, William Earley
  • Patent number: 8293731
    Abstract: Tricyclic compounds of Formula I are inhibitors of HIV integrase and inhibitors of HIV replication: wherein bond a, ring A, R1, R2 and R3 are defined herein. The compounds are useful for the prophylaxis or treatment of infection by HIV and the prophylaxis, treatment, or delay in the onset of AIDS. The compounds are employed against HIV infection and AIDS as compounds per se or in the form of pharmaceutically acceptable salts. The compounds and their salts can be employed as ingredients in pharmaceutical compositions, optionally in combination with other antivirals, immunomodulators, antibiotics or vaccines.
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: October 23, 2012
    Assignee: Merck Sharp + Dohme Corp.
    Inventors: Joseph P. Vacca, John S. Wai, Linda S. Payne
  • Publication number: 20120253034
    Abstract: The present invention provides a compound of general formula 7, useful as potential antitumour agents against five human cancer cell lines. The present invention further provides a process for the preparation of pyrrolo[2,1-c][1,4]benzodiazepine linked imidazo[1,5-a]pyridine conjugates attached through a piperazine moiety and different alkane spacers of general formula 7 wherein R represents H, OCH3, CF3, CN, F or Cl; n=3, 4, 5 or 6.
    Type: Application
    Filed: March 23, 2011
    Publication date: October 4, 2012
    Applicant: COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH
    Inventors: Ahmed Kamal, Gadupudi Ramakrishna, Paidakula Raju, Ayinampudi Venkata Subba Rao, Arutla Viswanath, Gorre Balakishan
  • Publication number: 20120244172
    Abstract: The present invention relates to pyrrolo[1,4]benzodiazepine (PBD) dimer conjugates, to the compositions comprising them and to their therapeutic application, in particular as anticancer agents. The invention also relates to the process for the preparation of the conjugates, to their application as anticancer agents and to the dimers themselves.
    Type: Application
    Filed: February 24, 2012
    Publication date: September 27, 2012
    Applicant: SANOFI
    Inventors: Alain Commercon, Laurence Gauzy-Lazo
  • Patent number: 8217167
    Abstract: The present invention provides a compounds of general formula (6), useful as potential antitumour agents against human cancer cell lines. The present invention further provides a process for the preparation of pyrrolo[2,1-c][1,4]benzodiazepine hybrids of general formula (6).
    Type: Grant
    Filed: March 12, 2009
    Date of Patent: July 10, 2012
    Assignee: Council of Scientific & Industrial Research
    Inventors: Kamal Ahmed, Sreekanth Kokkonda, Praveen Kumar Pogula, Balakishan Gorre
  • Publication number: 20120142913
    Abstract: The present invention provides a compound of formula 5, useful as potential antitumour agents against human cancer cell lines. The present invention further provides a process for the preparation of pyrrolo[2,1-c][1,4]benzodiazepine hybrids of formula 5a-t.
    Type: Application
    Filed: March 15, 2011
    Publication date: June 7, 2012
    Inventors: Ahmed KAMAL, Adla MALLAREDDY, Paidakula SURESH, Rajesh Venkata Chenna Rama Narasimha CHENNAMSHETTI
  • Publication number: 20120122835
    Abstract: Disclosed are compounds of the following formula: in which R1, R2, R3, R4, R5, R6, R7, X, and t are defined in the specification. Also disclosed are pharmaceutical compositions, kits, and articles of manufacture, which contain the compounds, methods and intermediates useful for making the compounds, and methods of using the compounds to treat diseases, disorders, and conditions related to PARP activity.
    Type: Application
    Filed: January 18, 2012
    Publication date: May 17, 2012
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Anthony R. Gangloff, Andrew John Jennings, Benjamin Jones, Andre A. Kiryanov
  • Publication number: 20120101270
    Abstract: The present invention provides synthesis and in vitro anticancer activity of novel pyrrolo[2,1-c][1,4]benzodiazepine derivatives with dithiocarbamate side chains. The present invention also relates to a process for the preparation of new pyrrolo[2,1-c][1,4]benzodiazepine derivatives with dithiocarbamate side chains of general formula (A) and a process for the preparation thereof.
    Type: Application
    Filed: March 24, 2009
    Publication date: April 26, 2012
    Applicant: Council of Scientific & Industrial Research
    Inventors: Kamal Ahmed, Sreekanth Kokkonda, Praveen K. Pogula, Balakishan Gorre
  • Patent number: 8163736
    Abstract: The present invention is related to new tomaymycin derivatives, their process of preparation and their therapeutic uses.
    Type: Grant
    Filed: July 16, 2008
    Date of Patent: April 24, 2012
    Assignee: sanofi-aventis
    Inventors: Laurence Gauzy, Herve Bouchard, Ravi V. J. Chari, Alain Commercon, Robert Zhao, Yonghong Deng, Wei Li
  • Publication number: 20120095213
    Abstract: The present invention provides a compound of general formulae (8a-i), (11a-i), (14a-i), and (17a-i), useful as potential antitumour agents against human cancer cell lines. The present invention further provides a process for the preparation of Cinnamido-pyrrolo[2,1-c][1,4]benzodiazepines of general formulae (8a-i), (11a-i), (14a-i), and (17a-i).
    Type: Application
    Filed: February 27, 2009
    Publication date: April 19, 2012
    Inventors: Kamal Ahmed, Balakishan Gorre, Ramakrishna Gadupudi, Sreekanth Kokkonda, N/A Rajender
  • Publication number: 20120095214
    Abstract: The present invention provides a compound of general formulae 5a-r, 9a-i to 13a-i and 17a-i to 22a-i, useful as potential antitumour agents against human cancer cell lines. The present invention further provides a process for the preparation of pyrrolo[2,1-c][1,4]benzodiazepine hybrids of general formulae 5a-r, 9a-i to 13a-i and 17a-i to 22a-i.
    Type: Application
    Filed: July 13, 2009
    Publication date: April 19, 2012
    Applicant: Council of Scientific & Industrial Research
    Inventors: Kamal Ahmed, Earla V. Bharathi, Dudekula Dastagiri, Jonnala S. Reddy, Arutla Viswanath
  • Patent number: 8153627
    Abstract: The present invention provides a compound of general formula 5, useful as potential antitumour agents against human cancer cell lines. The present invention further provides a process for the preparation of pyrrolo[2,1-c][1,4]benzodiazepine hybrids of general formula (5): wherein n=3, 4, 5, 6, 8 and wherein R1 and R2 is selected from the group consisting of R1?H, R2?H or R1?CH3O, R2=CH3O or R1?CH3O and R2?C2H5O.
    Type: Grant
    Filed: October 31, 2008
    Date of Patent: April 10, 2012
    Assignee: Council of Scientific & Industrial Research
    Inventors: Ahmed Kamal, Bandari Rajendra Prasad, Adla Malla Reddy
  • Publication number: 20120040961
    Abstract: The present invention relates to novel pyrimido-diazepinone compounds, methods of modulating protein kinases, including MPS1 (TTK), ERK5 (BMK1, MAPK7), polo kinase 1, 2, 3, or 4, Ack1, Ack2, AbI, DCAMKL1, ABL1, AbI mutants, DCAMKL2, ARK5, BRK, MKNK2, FGFR4, TNK1, PLK1, ULK2, PLK4, PRKD1, PRKD2, PRKD3, ROS 1, RPS6KA6, TAOK1, TAOK3, TNK2, Bcr-Abl, GAK, cSrc, TPR-Met, Tie2, MET, FGFR3, Aurora, AxI, Bmx, BTK, c-kit, CHK2, Flt3, MST2, p70S6K, PDGFR, PKB, PKC, Raf, ROCK-H, Rsk1, SGK, TrkA, TrkB and TrkC, and the use of such compounds in the treatment of various diseases, disorders or conditions.
    Type: Application
    Filed: January 6, 2010
    Publication date: February 16, 2012
    Applicant: DANA-FARBER CANCER INSTITUTE
    Inventors: Nathanael S. Gray, Xianming Deng, Nicholas Paul Kwiatkowski
  • Patent number: 8063204
    Abstract: The present invention provides a compound of general formula (9), useful as potential antitumour agents against human cancer cell lines. The present invention further provides a process for the preparation of pyrrolo[2,1-c][1,4][benzodiazepine g hybrids of general formula (9).
    Type: Grant
    Filed: December 31, 2007
    Date of Patent: November 22, 2011
    Assignee: Council of Scientific & Industrial Research
    Inventors: Ahmed Kamal, K. Srinivasa Reddy, Mohammed Naseer Ahmed Khan, Rajesh V. C. R. N. C Shetti
  • Publication number: 20110256157
    Abstract: Conjugates and compounds for making conjugates which are PBD molecules linked via the N10 position are disclosed, along with the use of the conjugates for treating proliferative diseases, including cancer.
    Type: Application
    Filed: April 15, 2011
    Publication date: October 20, 2011
    Applicant: SPIROGEN LIMITED
    Inventors: Philip Wilson Howard, Luke Masterson, Arnaud Tiberghien, John A. Flygare, Janet L. Gunzner, Paul Polakis, Andrew Polson, Helga E. Raab, Susan D. Spencer
  • Publication number: 20110207924
    Abstract: The present invention provides a compounds of general formula (6), useful as potential antitumour agents against human cancer cell lines. The present invention further provides a process for the preparation of pyrrolo[2,1-c][1,4]benzodiazepine hybrids of general formula (6).
    Type: Application
    Filed: March 12, 2009
    Publication date: August 25, 2011
    Applicant: Council of Scientific & Industrial Research
    Inventors: Kamal Ahmed, Sreekanth Kokkonda, Praveen Kumar Pogula, Balakishan Gorre
  • Publication number: 20110201803
    Abstract: The invention relates to certain pyrrolobenzodiazepines (PBDs), and in particular pyrrolobenzodiazepine dimers bearing C2 substitutions, including compounds of formula (T): wherein: R2 is CHR2A, and R2A is independently selected from H, R, CO2R, COR, CHO, CO2H, and halo; R6 and R9 are independently selected from H, R, OH, OR, SH, SR, NH2, NHR, NRR?, NO2, Me3Sn and halo; R7 is independently selected from H, R, OH, OR, SH, SR, NH2, NHR, NRR?, NO2, Me3Sn and halo; R8 is independently selected from H, R, OH, OR, SH, SR, NH2, NHR, NRR?, NO2, Me3Sn and halo; R is independently selected from optionally substituted C1-12 alkyl, C3-20 heterocyclyl and C5-20 aryl groups; or the compound is a dimer with each monomer being of formula (M), where the R7 groups or R8 groups of each monomer form together a dimer bridge having the formula ā€”Xā€”R?ā€”Xā€” linking the monomers; wherein R? is a C3-12 alkylene group, which chain may be interrupted by one or more heteroatoms, e.g. O, S, N(H), and/or aromatic rings, e.g.
    Type: Application
    Filed: October 16, 2009
    Publication date: August 18, 2011
    Applicant: SPIROGEN LIMITED
    Inventors: Philip Wilson Howard, Stephen John Gregson, Zhizhi Chen, Arnaud Charles Tiberghien, Luke Masterson
  • Publication number: 20110196148
    Abstract: Claimed are unsymmetrical Pyrrolobenzodiazepine-dimers (PBD-dimers) of formula (I), that are unsymmetrical due at least to the values that the variables R12 and R2 represent. Formula (I), wherein: R2 is of formula (II), where A is a C5-7 aryl group, X is selected from the group comprising: OH, SH, CO2H, COH, N?C?O, NHRN, wherein RN is selected from the group comprising H and C1-4 alkyl, and (OC2H4)mOCH3, where m is 1 to 3, and either: (i) Q1 is a single bond, and Q2 is selected from a single bond and ā€”Zā€”(CH2)mā€”, where Z is selected from a single bond, O, S and NH and n is from 1 to 3; or (ii) Q1 is ā€”CH?CHā€”, and Q2 is a single bond; R12 is a C5-10 aryl group, optionally substituted by one or more substituents selected from the group comprising: halo, nitro, cyano, ether, C1-7 alkyl, C3-7 heterocyclyl and bis-oxy-C1-3 alkylene. The other variables are as defined in the claims. The compounds are useful for the treatment of proliferative diseases.
    Type: Application
    Filed: October 16, 2009
    Publication date: August 11, 2011
    Applicant: SPIROGEN LIMITED
    Inventors: Philip Wilson Howard, Stephen John Gregson, Luke Masterson
  • Publication number: 20110190275
    Abstract: The present invention provides a compounds of general formula IXa-d, useful as potential antitumour agents and pharmaceutical composition comprising these compounds exhibits binding affinity with calf thymus (CT) DNA at a molar ratio of 1:5 in aqueous sodium phosphate buffer at pH of 7.00. The present invention further provides a process for the preparation of C2-Fluoro substituted piperazine linked pyrrolo[2,1c][1-4], benzodiazepine of formula (IX).
    Type: Application
    Filed: October 31, 2008
    Publication date: August 4, 2011
    Inventors: Ahmed Kamal, Rajender, Metuku Kashireddy, Gorre Balakishan
  • Publication number: 20110162227
    Abstract: Methods of preparing ZC-423 (I) which result in varying enantiomeric ratios.
    Type: Application
    Filed: July 22, 2009
    Publication date: July 7, 2011
    Applicant: SPIROGEN LIMITED
    Inventors: Philip Wilson Howard, Stephen John Gregson, Zhizhi Chen, Arnaud Charles Tiberghien, Luke Masterson
  • Publication number: 20110160192
    Abstract: Compounds of formula (I): Z?-CO-A-Bā€”NH-Z (I) wherein: Z is H or an amino protecting group; Z? is OH, a protected or activated hydroxyl group or Cl; A is an optionally substituted C5-6 arylene group; and B is an optionally substituted C5-6 arylene group.
    Type: Application
    Filed: March 7, 2011
    Publication date: June 30, 2011
    Applicant: SPIROGEN LIMITED
    Inventors: Philip Wilson Howard, Geoffrey Wells
  • Publication number: 20110130382
    Abstract: The present application relates to 1,2,3,4,4a,5,6,7-octahydropyrazino[1,2-a][1,4]benzodiazepine, 1,2,3,4,4a,5,6,7-octahydropyrazino[1,2-a][1,5]benzodiazepine, 2,3,4,4a,5,6,7,11b-octahydro-1H-pyrido[3,4-d][2]benzazepine, 1,2,3,4,4a,5,6,7-octahydropyrazino[1,2-a][1]benzazepine, 1,2,3,4,4a,5-hexahydro-7H-pyrazino[1,2-a][4,1]benzoxazepine, and 2,3,4,4a,5,6-hexahydro-1H-pyrazino[2,1-d][1,5]benzoxazepine, and 5,6,7,7a,8,9,10,11-octahydropyrazino[1,2-d]pyrido[3,2-b][1,4]diazepine derivatives of formula (I) wherein R1, R2, R3, R4, R5, R6, X1, X2, X3, X4, Y1, Y2, and Y3 are as defined in the specification. The present application also relates to compositions comprising such compounds, and methods of treating disease conditions using such compounds and compositions, and methods for identifying such compounds.
    Type: Application
    Filed: October 21, 2010
    Publication date: June 2, 2011
    Applicant: ABBOTT LABORATORIES
    Inventors: Ying Wang, Jason T. Brewer, Irini Akritopoulou-Zanze, Stevan W. Djuric, Frauke Pohlki, Wilfried Braje, Ana-Lucia Relo
  • Publication number: 20100324027
    Abstract: The invention relates to compounds that are diazahomoadamantane derivatives, compositions comprising such compounds, and methods of using such compounds and compositions.
    Type: Application
    Filed: June 18, 2010
    Publication date: December 23, 2010
    Applicant: ABBOTT LABORATORIES
    Inventors: Michael R. Schrimpf, Kevin B. Sippy
  • Publication number: 20100316656
    Abstract: The invention relates to novel tomaymicine derivatives comprising a linker. It also relates to the conjugate molecules that comprise one or more of said tomaymicine derivatives covalently linked to a cell binding agent through a linking group that is present on the linker of the tomaymycin derivative. It also relates to the preparation of the tomaymicine derivatives and of the conjugate molecules.
    Type: Application
    Filed: January 19, 2010
    Publication date: December 16, 2010
    Applicant: sanofi-aventis
    Inventors: HervƩ Bouchard, Ravi V.J. Chari, Alain Commercon, Yonghong Deng, Laurence Gauzy
  • Patent number: 7834005
    Abstract: Disclosed are compounds of Formula I wherein X, Y, R1-R7, T1, T2, Z, and p are as described herein; a pharmaceutical composition comprising a compound of Formula I and a carrier; a method of inhibiting growth of a cell, which method comprises administering in an amount effective to inhibit growth a compound of Formula I; a method of treating cancer in a mammal, which method comprises administering in an amount effective to treat cancer a compound of Formula I; a method of treating a viral, parasitic, or bacterial infection of a cell, which method comprises administering in an amount effective to treat a viral, parasitic, or bacterial infection a compound of Formula I; and a method of preparing a compound of Formula I as described herein.
    Type: Grant
    Filed: February 13, 2009
    Date of Patent: November 16, 2010
    Assignees: The United States of America as represented by the Department of Health and Human Services, Starks Associates, Inc., Midwest Research Institute, Spirogen, Ltd.
    Inventors: Paul S. Liu, B. Rao Vishnuvajjala, Kenneth M. Snader, David E. Thurston, Philip W. Howard, Luke Y. Hsiao, Gregory Turner
  • Patent number: 7790712
    Abstract: The application relates to compounds of formula Ia and analogues thereof wherein R1 to R13 and X are as defined herein. The invention also relates to the use of the compounds of formula Ia as inhibitors of Mitogen-Activated Protein Kinase-Activated Protein kinase-2 (MAPKAP-k2), and also to a method for preventing or treating a disease or disorder that can be treated or prevented by modulating the activity of MAPKAP-K2 in a subject and to pharmaceutical compositions and kits that include these MAPKAP-K2 inhibitors.
    Type: Grant
    Filed: March 17, 2006
    Date of Patent: September 7, 2010
    Assignee: Boehringer Ingelheim Pharmaceutical, Inc.
    Inventors: Derek Cogan, Donghong A. Gao, Daniel R. Goldberg, Craig Andrew Miller, Neil Moss, Matthew Russell Netherton, Philip Dean Ramsden, Zhaoming Xiong
  • Publication number: 20100203007
    Abstract: The invention relates to novel benzodiazepine derivatives with antiproliferative activity and more specifically to novel benzodiazepines of formula (I) and (II), in which the diazepine ring (B) is fused with a heterocyclic ring (CD), wherein the heterocyclic ring is bicyclic or a compound of formula (III), in which the diazepine ring (B) is fused with a heterocyclic ring (C), wherein the heterocyclic ring is monocyclic. The invention provides cytotoxic dimers of these compounds. The invention also provides conjugates of the monomers and the dimers. The invention further provides compositions and methods useful for inhibiting abnormal cell growth or treating a proliferative disorder in a mammal using the compounds or conjugates of the invention. The invention further relates to methods of using the compounds or conjugates for in vitro, in situ, and in vivo diagnosis or treatment of mammalian cells, or associated pathological conditions.
    Type: Application
    Filed: February 4, 2010
    Publication date: August 12, 2010
    Applicant: Immunogen Inc.
    Inventors: Wei Li, Nathan Fishkin, Robert Zhao, Michael Miller, Ravi Chari
  • Publication number: 20100190775
    Abstract: The invention provides a pyrimidodiazepinone derivative represented by the general formula (I) [wherein n represents 1 or 2, Z represents a hydrogen atom or the like, R1 and R2 may be the same or different, and each represents a hydrogen atom or the like, A represents a bond, (CH2)m (wherein m represents an integer of 1 to 4), optionally substituted phenylene, optionally substituted pyridinediyl, or C?O, R3 represents a hydrogen atom, optionally substituted lower alkyl, or the like, and R4 represents a hydrogen atom or the like], or a pharmaceutically acceptable salt thereof or the like.
    Type: Application
    Filed: June 2, 2008
    Publication date: July 29, 2010
    Applicant: Kyowa Hakko Kirin Co., Ltd
    Inventors: Nobumasa Otsubo, Yukihito Tsukumo, Kenji Uchida, Yuichi Matsumoto, Kyoichiro Iida, Hidenori Takada, Fumitake Takizawa, Hitoshi Arai, Shuko Okazaki, Takamichi Imaizumi
  • Publication number: 20100190763
    Abstract: Disclosed are compounds of the following formula: in which R1, R2, R3, R4, R5, R6, R7, X, and t are defined in the specification. Also disclosed are pharmaceutical compositions, kits, and articles of manufacture, which contain the compounds, methods and intermediates useful for making the compounds, and methods of using the compounds to treat diseases, disorders, and conditions related to PARP activity.
    Type: Application
    Filed: January 21, 2010
    Publication date: July 29, 2010
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Anthony R. Gangloff, Andrew John Jennings, Benjamin Jones, Andre A. Kiryanov
  • Patent number: 7741319
    Abstract: The present inventors have developed a key intermediate for the production of C2 substituted PBDs, which has a leaving group at the C2 position, a carbamate protecting group at the N10 position and a protected hydroxy group at the C11 position. In a first aspect, the present invention comprises a compound with a the formula (I), wherein: R10 is a carbamate-based nitrogen protecting group; R11 is an oxygen protecting group; and R2 is a labile leaving group. In a further aspect, the present invention comprises a method of synthesising a compound of formula (III), or a solvate thereof, from a compound of formula (I) as defined in the first aspect, R16 is either Oā€”R11, wherein R11 is as defined in the first aspect, or OH, or R10 and R16 together form a double bond between N10 and C11; and R15 is R. The other substituents are defined in the claims.
    Type: Grant
    Filed: March 1, 2005
    Date of Patent: June 22, 2010
    Assignee: Spirogen Limited
    Inventors: Philip Wilson Howard, Stephen John Gregson
  • Publication number: 20100113771
    Abstract: The present invention provides a compound of general formula (9), useful as potential antitumour agents against human cancer cell lines. The present invention further provides a process for the preparation of pyrrolo[2,1-c][1,4][benzodiazepine g hybrids of general formula (9).
    Type: Application
    Filed: December 31, 2007
    Publication date: May 6, 2010
    Inventors: Ahmed Kamal, Srinivasa K. Reddy, Mohammed Naseer Ahmed Khan, Rajesh V.C.R.N.C. Shetti
  • Publication number: 20100113425
    Abstract: Compounds of the formula I: or solvate thereof, wherein: R2 is an optionally substituted C5-20 aryl group; R6 and R9 are independently selected from H, R, OH, OR, SH, SR, NH2, NHR, NRR?, nitro, Me3Sn and halo; where R and R? are independently selected from optionally substituted C1-12 alkyl, C3-20 heterocyclyl and C5-20 aryl groups; R7 is selected from H, R, OH, OR, SH, SR, NH2, NHR, NHRR?, nitro, Me3Sn and halo; R? is a C3-12 alkylene group, which chain may be interrupted by one or more heteroatoms and/or aromatic rings; X is selected from O, S, or NH; z is 2 or 3; M is a monovalent pharmaceutically acceptable cation; R2?, R6?, R7?, R9?, X? and M? are selected from the same groups as R2, R6, R7, R9, X and M respectively, or M and M? may together represent a divalent pharmaceutically acceptable cation.
    Type: Application
    Filed: November 2, 2009
    Publication date: May 6, 2010
    Applicant: SPIROGEN LIMITED
    Inventors: Philip Wilson Howard, Zhizhi Chen, Stephen John Gregson
  • Publication number: 20090291938
    Abstract: Compounds of the following formula are provided for use with kinases: wherein the variables are as defined herein. Also provided are pharmaceutical compositions, kits and articles of manufacture comprising such compounds; methods and intermediates useful for making the compounds; and methods of using said compounds.
    Type: Application
    Filed: November 19, 2008
    Publication date: November 26, 2009
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Sheldon X. Cao, Victoria Feher, Takashi Ichikawa, Benjamin Jones, Stephen W. Kaldor, Andre A. Kiryanov, Betty Lam, Yan Liu, Christopher McBride, Srinivasa Reddy Natala, Zhe Nie, Jeffrey A. Stafford
  • Patent number: 7612062
    Abstract: Compounds of the formula: (I) or solvate thereof, wherein: R2 is an optionally substituted C5-20 aryl group; R6 and R9 are independently selected from H, R, OH, OR, SH, SR, NH2, NHR, NRR?, nitro, Me3Sn and halo; where R and R? are independently selected from optionally substituted C1-12 alkyl, C3-20 heterocyclyl and C5-20 aryl groups; R7 is selected from H, R, OH, OR, SH, SR, NH2, NHR, NHRR?, nitro, Me3Sn and halo; R? is a C3-12 alkylene group, which chain may be interrupted by one or more heteroatoms and/or aromatic rings; X is selected from O, S, or NH; z is 2 or 3; M is a monovalent pharmaceutically acceptable cation; R2?, R6?, R7?, R9?, X? and M? are selected from the same groups as R2, R6, R7, R9, X and M respectively, or M and M? may together represent a divalent pharmaceutically acceptable cation.
    Type: Grant
    Filed: April 21, 2006
    Date of Patent: November 3, 2009
    Assignee: Spirogen Limited
    Inventors: Stephen John Gregson, Philip Wilson Howard, Zhizhi Chen
  • Patent number: 7608615
    Abstract: The present invention provides quinazolinone linked pyrrolo[2,1-c][1,4]benzodiazepine hybrid of general formula 5, wherein, R is alkyl or halo group selected from H, Cl, F or CH3 and n=1 to 3 useful for antitumour/anticancer activity. The present invention also provides a process for the preparation of quinazolinone linked pyrrolo[2,1-c][1,4]benzodiazepine hybrid general formula 5.
    Type: Grant
    Filed: August 14, 2007
    Date of Patent: October 27, 2009
    Assignee: Council of Scientific & Industrial Research
    Inventors: Kamal Ahmed, Venkata Ramana Adhi, Hari Babu Ankati
  • Patent number: 7569561
    Abstract: The present invention encompasses compounds of general formula (1) wherein R1 to R6, X and Y are defined as in claim 1, which are suitable for the treatment of diseases characterised by excessive or anomalous cell proliferation, as well as the use thereof for preparing a pharmaceutical composition with the above-mentioned properties.
    Type: Grant
    Filed: February 16, 2007
    Date of Patent: August 4, 2009
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Heinz Stadtmueller, Anke Baum, Guido Boehmelt, Harald Engelhardt, Jens Juergen Quant, Flavio Solca, Martin Steegmaier, Stephan Karl Zahn
  • Patent number: 7557099
    Abstract: Compounds and a method of synthesis of compounds of formula (Ia) or (Ib): and salts, solvates, and chemically protected forms thereof, wherein the dotted lines indicate the optional presence of a double bond between C1 and C2 or C2 and C3; R2 and R3 are independently selected from ā€”H, ?O, ?CH2, ā€”CN, ā€”R, OR, halo, ?CHā€”R, Oā€”SO2ā€”R, CO2R and COR; R10 is a carbamate-based nitrogen protecting group; and R11 is an oxygen protecting group.
    Type: Grant
    Filed: March 1, 2005
    Date of Patent: July 7, 2009
    Assignee: Spirogen Limited
    Inventors: Philip Wilson Howard, Gyoung-Dong Kang
  • Publication number: 20090149449
    Abstract: Disclosed are compounds of Formula I wherein X, Y, R1-R7, T1, T2, Z, and p are as described herein; a pharmaceutical composition comprising a compound of Formula I and a carrier; a method of inhibiting growth of a cell, which method comprises administering in an amount effective to inhibit growth a compound of Formula I; a method of treating cancer in a mammal, which method comprises administering in an amount effective to treat cancer a compound of Formula I; a method of treating a viral, parasitic, or bacterial infection of a cell, which method comprises administering in an amount effective to treat a viral, parasitic, or bacterial infection a compound of Formula I; and a method of preparing a compound of Formula I as described herein.
    Type: Application
    Filed: February 13, 2009
    Publication date: June 11, 2009
    Applicants: The United States of America, as represented by the Secretary, Dept. of Health and Human Service, Starks Associates, Inc., Midwest Research Institute, Spirogen, Ltd.
    Inventors: Paul S. Liu, B. Rao Vishnuvajjala, Kenneth M. Snader, David E. Thurston, Philip W. Howard, Luke Y. Hsiao, Gregory Turner
  • Patent number: 7528128
    Abstract: The present invention provides a compound of general formula 5, useful as potential antitumour agents against human cancer cell lines. The present invention further provides a process for the preparation of pyrrolo[2,1-c][1,4]benzodiazepine hybrids of general formula 5 wherein, X1, X2, X3 is selected from H or Cl or CH3, Y is selected from O or NH, Z is selected from C?O or CH2 and n=1 to 4.
    Type: Grant
    Filed: August 13, 2007
    Date of Patent: May 5, 2009
    Assignee: Council of Scientific & Industrial Research
    Inventors: Kamal Ahmed, Rajendra Prasad Bandari
  • Patent number: 7511032
    Abstract: Disclosed are compounds of Formula (I) wherein X, Y, Ri-R7, T1, T2, Z, and p are as described herein; a pharmaceutical composition comprising a compound of Formula (I) and a carrier; a method of inhibiting growth of a cell, which method comprises administering in an amount effective to inhibit growth a compound of Formula (I); a method of treating cancer in a mammal, which method comprises administering in an amount effective to treat cancer a compound of Formula (I); a method of treating a viral, parasitic, or bacterial infection of a cell, which method comprises administering in an amount effective to treat a viral, parasitic, or bacterial infection a compound of Formula (I); and a method of preparing a compound of Formula (I) as described herein.
    Type: Grant
    Filed: October 22, 2004
    Date of Patent: March 31, 2009
    Assignees: The United States of America as represented by the Secretary, Department of Health and Human Services, Starks Associates, Inc., Midwest Research Institute, Spirogen, Ltd.
    Inventors: Paul S Liu, B. Rao Vishnuvajjala, Kenneth M Snader, David E Thurston, Philip W Howard, Luke Y Hsiao, Gregory Turner
  • Patent number: 7476664
    Abstract: The present invention provides a novel bis 2-difluoro pyrrolo[2,1-c][1,4]benzodiazepine of formula VII wherein, n is 3 to 10. novel bis 2-difluoro pyrrolo[2,1-c][1,4]benzodiazepine of formula VII exhibits biding affinity with calf thymus (CT) DNA at a molar ratio of 1:5 in aqueous sodium phosphate buffer at pH of about 7.00. The present invention further provides a process for the preparation of novel bis 2-difluoro pyrrolo[2,1-c][1,4]benzodiazepine of formula VII.
    Type: Grant
    Filed: March 7, 2007
    Date of Patent: January 13, 2009
    Inventors: Ahmed Kamal, Depatla Rajasekhar Reddy, Rajendar Rajendar
  • Patent number: 7465724
    Abstract: The present invention provides novel bis-pyrrolo[2,1-c][1,4]benzodiazepine-anthraquinone conjugates of general formula V, useful as potential antitumour agents against human cancer cell lines. The present invention further provides a process for the preparation of novel bis-pyrrolo[2,1 -c][1,4]benzodiazepine-anthraquinone conjugates of general formula V. wherein n=3, 4, or 5.
    Type: Grant
    Filed: February 12, 2007
    Date of Patent: December 16, 2008
    Assignee: Council of Scientific and Industrial Research
    Inventors: Ahmed Kamal, Rondla Ramu, Gollapalli Bhasker Ramesh Khanna
  • Patent number: 7429658
    Abstract: A method of synthesis of a N-10 protected PBD compound of formula (I): via an intermediate of formula (II) or formula (V):
    Type: Grant
    Filed: September 10, 2004
    Date of Patent: September 30, 2008
    Assignee: Spirogen Limited
    Inventors: Philip Howard, Luke Masterson
  • Patent number: 7407951
    Abstract: Compounds of formula (I): formula (I) and salts, solvates, chemically protected forms, and prodrugs thereof, are disclosed wherein R2 is selected from: an optionally substituted napthyl group; an optionally substituted thiophenyl or furanyl group; and a phenyl group substituted by: one or more chloro or fluoro groups; an ethyl or propyl group; a 4-t-butyl group; a 2-methyl group; or two methyl groups in the 2- and 6-positions.
    Type: Grant
    Filed: November 14, 2003
    Date of Patent: August 5, 2008
    Assignee: Spirogen Limited
    Inventors: David Edwin Thurston, Philip Wilson Howard
  • Publication number: 20080167293
    Abstract: Compounds of the formula: (I) or solvate thereof, wherein: R2 is an optionally substituted C5-20 aryl group; R6 and R9 are independently selected from H, R, OH, OR, SH, SR, NH2, NHR, NRR?, nitro, Me3Sn and halo; where R and R? are independently selected from optionally substituted C1-12 alkyl, C3-20 heterocyclyl and C5-20 aryl groups; R7 is selected from H, R, OH, OR, SH, SR, NH2, NHR, NHRR?, nitro, Me3Sn and halo; R? is a C3-12 alkylene group, which chain may be interrupted by one or more heteroatoms and/or aromatic rings; X is selected from O, S, or NH; z is 2 or 3; M is a monovalent pharmaceutically acceptable cation; R2?, R6?, R7?, R9?, X? and M? are selected from the same groups as R2, R6, R7, R9, X and M respectively, or M and M? may together represent a divalent pharmaceutically acceptable cation.
    Type: Application
    Filed: April 21, 2006
    Publication date: July 10, 2008
    Applicant: Spirogen Limited
    Inventors: Philip Wilson Howard, Zhizhi Chen, Stephen John Gregson
  • Patent number: 7312210
    Abstract: The present invention provides novel pyrrolo [2,1-c][1,4]benzodiazepine compounds. This invention also provides a process for the preparation of novel pyrrolo[2,1-c][1,4]benzodiazepine compounds. These novel pyrrolo [2,1-c][1,4]benzodiazepine compounds are useful as antitumor agents. It also provides a process for the preparation of 7-methoxy-8-{n-[4-(2-oxo-2H-4-chromenyl)piperazino]alkyl}-oxy-(11aS)-1,2,3,11a-5H-pyrrolo[2,1-c][1,4]benzodiazepin-5-one and 7-methoxy-8-{n-[4-(7-alkoxy-8-methyl-2-oxo-2H-4-chromenyl)piperazino]alkyl}-oxy-(11aS)-1,2,3,11a-5H-pyrrolo[2,1-c][1,4]. benzodiazepine-5-one with aliphatic chain length variations for these compounds.
    Type: Grant
    Filed: March 3, 2006
    Date of Patent: December 25, 2007
    Assignee: Council of Scientific and Industrial Research
    Inventors: Ahmed Kamal, Ankati Hari Babu, Adhi Venkata Ramana, Earla Vijaya Bharathi
  • Patent number: 7265105
    Abstract: A compound of the formula II: wherein: R?2 is CHR?2, where R?2 is H. R6 and R9 are H and R7 is OMe and the compound is a dimer with each monomer being the same and being of formula II, where the R8 groups of the monomers form together a bridge having the formula ā€”Oā€”(CH2)pā€”Oā€”, where p is 5, linking the monomers.
    Type: Grant
    Filed: March 2, 2006
    Date of Patent: September 4, 2007
    Assignee: Spirogen Limited
    Inventors: David Edwin Thurston, Philip Wilson Howard
  • Patent number: 7244724
    Abstract: A compound of formula I: or solvate thereof, wherein n is 1 to 10, and M and M? are independently selected from monovalent pharmaceutically acceptable cations, or together represent a divalent pharmaceutically acceptable cation.
    Type: Grant
    Filed: May 13, 2005
    Date of Patent: July 17, 2007
    Assignees: United States of America, Represented by the Secretary, Department of Health and Human Services, Spirogen, Ltd.
    Inventors: Paul S. Liu, B. Rao Vishnuvajjala, Kenneth M. Snader, David E. Thurston, Philip Howard, Stephen Gregson
  • Patent number: 7189710
    Abstract: The present invention relates to novel 2-fluoro-pyrrolo[2,1-c][1,4]benzodiazepine dimers useful as antitumour agents and to a process for the preparation thereof.
    Type: Grant
    Filed: March 30, 2004
    Date of Patent: March 13, 2007
    Assignee: Council of Scientific and Industrial Research
    Inventors: Ahmed Kamal, Peram Surakattula Murali Mohan Reddy, Depatla Rajashekhar Reddy