Nitrogen Bonded Directly At 4-position Patents (Class 544/293)
  • Patent number: 8563719
    Abstract: The present invention provides a process for making lapatinib and its pharmaceutically acceptable salt by use of new intermediates. A new process for obtaining a pharmaceutical form of lapatinib ditosylate monohydrate is also provided.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: October 22, 2013
    Assignee: Scinopharm Taiwan, Ltd.
    Inventors: Yung-Fa Chen, Julian Paul Henschke, Yuanlian Liu, Guodong Chu, Xiaoheng Zhang
  • Publication number: 20130274252
    Abstract: The Present invention relates to nitrogen-containing heterocyclic compounds and pharmaceutically acceptable salts thereof which have inhibitory activity on the phosphorylation of kinases, which inhibits the activity of such kinases. The invention is also related to a method of inhibiting kinases and treating disease states in a mammal by inhibiting the phosphorylation of kinases. In a particular aspect the present invention provides nitrogen-containing heterocyclic compounds and pharmaceutically acceptable salts thereof which inhibit phosphorylation of a PDGF receptor to hinder abnormal cell growth and cell wandering, and a method for preventing or treating cell-proliferative diseases such as arteriosclerosis, vascular reobstruction, cancer and glomerulosclerosis.
    Type: Application
    Filed: November 2, 2012
    Publication date: October 17, 2013
    Inventors: Anjali Pandey, Robert M. Scarborough, Kenji Matsuno, Michio Ichimura, Yuji Nomoto, Shinichi Ide, Eiji Tsukuda, Junko Sasaki, Shoji Oda
  • Publication number: 20130266563
    Abstract: Selenophene compounds of formula (I) are described herein. In the compounds of Formula (I), ring A is a 6-membered aromatic fused ring, optionally containing one, two or three nitrogen atoms; a 5-membered heteroaromatic fused ring; or a mono- or bicyclic saturated heterocyclic fused ring having at least one ring member selected from the group consisting of N, O, S, SO and SO2; Y in ring B is nitrogen or substituted carbon; X is NR6, O, S, S(O), or S(O)2. R1, R2, R3, R4, and R6 are defined in the specification. Selenophene compounds of formula (I) may be used in methods of treating cell proliferative disorders, particularly cancer. Pharmaceutical compositions containing selenophene compounds of formula (I) may be used for treatment, inhibition, or control of cancer.
    Type: Application
    Filed: May 17, 2013
    Publication date: October 10, 2013
    Inventors: Ganga Raju Gokaraju, Sudhakar Kasina, Venkateswarlu Somepalli, Rama Raju Gokaraju, Venkata Kanaka Ranga Raju Gokaraju, Kiran Bhupathiraju, Trimurtulu Golakoti, Krishanu Sengupta, Venkata Krishna Raju Alluri
  • Patent number: 8552018
    Abstract: Protein kinase inhibitors are disclosed having utility in the treatment of protein kinase-mediated diseases and conditions, such as cancer. The compounds of this invention have the following structure: including steroisomers, prodrugs and pharmaceutically acceptable salts thereof, wherein A is a ring moiety selected from: and wherein R1, R2, R3, X, Z, L1, Cycl1, L2 and Cycl2 are as defined herein. Also disclosed are compositions containing a compound of this invention, as well as methods relating to the use thereof.
    Type: Grant
    Filed: March 18, 2011
    Date of Patent: October 8, 2013
    Assignees: Arizona Board of Regents on behalf of the University of Arizona, Astex Pharmaceutials, Inc.
    Inventors: Laurence H. Hurley, Daruka Mahadevan, David J. Bearss, Hariprasad Vankayalapati, Sridevi Bashyam, Steven L. Warner, James Welsh
  • Publication number: 20130252942
    Abstract: The invention provides novel quinazoline carboxamide azetidine compounds according to Formula (I) and use for the treatment of hyperproliferative diseases, such as cancer.
    Type: Application
    Filed: November 11, 2011
    Publication date: September 26, 2013
    Inventors: Bayard R. Huck, Reinaldo Jones, Yufang Xiao, Constantin Neagu, Donald Bankston, Andreas Goutopoulos
  • Publication number: 20130252978
    Abstract: The present invention provides a novel and stable hydrated form of erlotinib free base, and a process for its preparation thereof. The present invention also provides a process for preparation of erlotinib hydrochloride crystalline polymorph a substantially free of polymorph B. The present invention further relates to erlotinib hydrochloride crystalline particles having mean particle size (D50) ranging from about 4 ?m to 15 ?m and 90 volume-% of the particles (D90) ranging from about 14 ?m to 30 ?m, to the methods for the manufacture of said crystalline particles, and to pharmaceutical compositions comprising said crystalline particles.
    Type: Application
    Filed: May 23, 2013
    Publication date: September 26, 2013
    Applicant: HETERO RESEARCH FOUNDATION
    Inventors: BANDI PARTHASARADHI REDDY, KURA RATHNAKAR REDDY, RAPOLU RAJI REDDY, DASARI MURALIDHARA REDDY, THUNGATHURTHY SRINIVAS RAO
  • Publication number: 20130245256
    Abstract: This invention provides quinazoline analogs of Formula I: where A is bonded to at least one of the carbons at the 5, 6, 7 or 8 position of the bicyclic ring, and the ring is substituted by up to two independent R3 groups. The invention also includes methods of using compounds of Formula I as type I receptor tyrosine kinase inhibitors and for the treatment of hyperproliferative diseases such as cancer.
    Type: Application
    Filed: September 7, 2012
    Publication date: September 19, 2013
    Inventors: Eli Wallace, George Topalov, Joseph Lyssikatos, Alexandre Buckmelter, Qian Zhao
  • Publication number: 20130244994
    Abstract: This invention relates to novel compounds of the Formula (I) pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof, which are useful for the therapeutic treatment of diseases associated with the modulation or inhibition of 11?-HSD1 in mammals. The invention further relates to pharmaceutical compositions of the novel compounds of the Formula (I) and methods for their use in the reduction or control of the production of cortisol in a cell or the inhibition of the conversion of cortisone to cortisol in a cell.
    Type: Application
    Filed: February 15, 2013
    Publication date: September 19, 2013
    Inventors: David A. Claremon, Linghang Zhuang, Yuanjie Ye, Suresh B. Singh, Colin M. Tice
  • Publication number: 20130236473
    Abstract: A major object of the present invention is to provide a novel therapeutic or prophylactic agent for at least one disease or symptom selected from the group consisting of autoimmune diseases, inflammatory diseases, allergic diseases, and symptoms accompanying organ transplants; the therapeutic or prophylactic agent artificially controls the activity of IL-6 amplifier, thus controlling immune reactions in living organisms. Another object of the present invention is to provide an immunosuppressant, an inflammatory cytokine production inhibitor, and an IL-6 amplifier inhibitor. The compound that inhibits expression of the function of a protein belonging to ErbB1 pathway provided as means for achieving the object is capable of suppressing the activity of IL-6 amplifier, thereby reducing production of inflammatory cytokine such as IL-6.
    Type: Application
    Filed: September 14, 2011
    Publication date: September 12, 2013
    Applicant: OSAKA UNIVERSITY
    Inventors: Toshio Hirano, Masaaki Murakami
  • Patent number: 8530486
    Abstract: A compound of the formula (I) wherein X is CR1 or N; Y is CR3 or N; R1, R3, R4, R5 and R6 are independently H, F, Cl, Br, I, or a hydrocarbon group which optionally contains one or more heteroatoms; R7 is a heterocyclic group including one or more N atoms; R? is Rx or NRyRz wherein Rx, Ry and Rz are each H or the same or different groups, including cyclic groups formed by Ry and Rz with the N atom, of up to 20 C atoms and optionally including up to 3 further heteroatoms selected from N, O and S; or a pharmaceutically acceptable salt, ester or solvate thereof.
    Type: Grant
    Filed: January 2, 2009
    Date of Patent: September 10, 2013
    Assignee: Vereniging Voor Christelijk Hoger Onderwijs, Wetenschappelijk Onderzoek en Patientenzorg
    Inventors: Rogier Adriaan Smits, Regorius Leurs, Iwan Jozef Philomena De Esch
  • Patent number: 8530654
    Abstract: Crystals, amorphous substances, salts, and hydrates of a salt of methyl N-[3-(6,7-dimethoxy-2-methylaminoquinazolin-4-yl)phenyl]terephthalamic acid having PDE4 inhibitory action are provided. These compounds are useful for treating allergic diseases such as atopic dermatitis.
    Type: Grant
    Filed: February 15, 2008
    Date of Patent: September 10, 2013
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Eiichi Yamamoto, Osamu Asano, Jun Niijima, Kazumasa Nara
  • Publication number: 20130225613
    Abstract: The present invention relates to novel quinazoline derivatives with less skin irritation and an excellent action of strongly suppressing scratching behavior, and pharmaceutical compositions containing a quinazoline derivative as an active ingredient. The present invention is directed to the quinazoline derivatives represented by the general formula [1] or pharmaceutically acceptable salts thereof. In the general formula [1], R1 represents hydrogen or the like; R2 represents hydrogen or the like; R3 and R4 are the same or different and represent hydrogen, alkyl, alkoxy or halogen; R5 is combined with R6 to represent alkylene or represents hydrogen, hydroxy, alkyl, phenyl or alkoxy; R6 represents alkyl, cycloalkyl, phenyl, a 5- to 10-membered aromatic heterocyclic group containing one to three heteroatoms selected from the group consisting of a nitrogen atom, an oxygen atom and a sulfur atom, or —N(R6-1) (R6-2).
    Type: Application
    Filed: April 2, 2013
    Publication date: August 29, 2013
    Applicant: NIPPON SHINYAKU CO., LTD.
    Inventors: Masahiko OKANO, Tatsuya OYAMA
  • Publication number: 20130217709
    Abstract: The invention provides novel cyclic amine azaheterocyclic carboxamide according to Formula (I), Formula (II) and Formula (III) their manufacture and use for the treatment of hyperproliferative diseases, such as cancer.
    Type: Application
    Filed: July 28, 2011
    Publication date: August 22, 2013
    Applicant: MERCK PATENT GMBH
    Inventors: Bayard R. Huck, Xiaoling Chen, Constantin Neagu, Reinaldo Jones, Yufang Xiao, Igor Mochalkin
  • Publication number: 20130217661
    Abstract: Quinazoline derivatives of the following formula: wherein R1, R2, R3, R4, R5, X, Y, and Z are defined herein. It also discloses a method of treating cancer with one of these compounds.
    Type: Application
    Filed: March 18, 2013
    Publication date: August 22, 2013
    Applicant: HUTCHISON MEDIPHARMA ENTERPRISES LIMITED
    Inventor: Hutchison Medipharma Enterprises Limited
  • Patent number: 8513262
    Abstract: A process for the preparation of a compound of formula (I) comprising the steps: (a) reacting a compound of formula (II) wherein L and L? are suitable leaving groups, with a compound of formula (III) UNH2??(III) to prepare a compound of formula (IV) and subsequently (b) substituting the group R1 by replacement of the leaving group L?.
    Type: Grant
    Filed: January 22, 2010
    Date of Patent: August 20, 2013
    Assignee: GlaxoSmithKline LLC
    Inventors: Malcolm Clive Carter, George Stuart Cockerill, Karen Elizabeth Lackey
  • Publication number: 20130210844
    Abstract: The present disclosure is directed to compounds of formula (I), and pharmaceutically acceptable salts thereof, as mPGES-1 inhibitors. These compounds are inhibitors of the microsomal prostaglandin E synthase-1 (mPGES-1) enzyme and are therefore useful in the treatment of pain and/or inflammation from a variety of diseases or conditions, such as asthma, osteoarthritis, rheumatoid arthritis, acute or chronic pain and neurodegenerative diseases.
    Type: Application
    Filed: February 7, 2013
    Publication date: August 15, 2013
    Applicant: Glenmark Pharmaceuticals S.A.
    Inventor: Glenmark Pharmaceuticals S.A.
  • Publication number: 20130210842
    Abstract: The present invention relates to processes for the preparation of erlotinib and salts and polymorphs thereof, preferably of high purity. The present invention also relates to erlotinib and salts and polymorphs thereof preparable by said processes, to medical uses of said erlotinib, salts and polymorphs, and to pharmaceutical compositions comprising the same.
    Type: Application
    Filed: July 22, 2011
    Publication date: August 15, 2013
    Applicant: GENERICS [UK] LIMITED
    Inventors: Vinayak Govind Gore, Anilkumar Tripathi, Madhav Jadhav
  • Patent number: 8507502
    Abstract: Fused bicyclic or tricyclic compounds of formula (I): wherein A, B, C, X, Y, m, and n are defined herein. Also disclosed are a method for inhibiting EGFR kinase activity and a method for treating cancer with these compounds.
    Type: Grant
    Filed: November 9, 2009
    Date of Patent: August 13, 2013
    Assignee: National Health Research Institutes
    Inventors: Hsing-Pang Hsieh, Selvaraj Mohane Coumar, Tsu-An Hsu, Wen-Hsing Lin, Yi-Rong Chen, Yu-Sheng Chao
  • Publication number: 20130184297
    Abstract: The invention relates to quinazoline derivatives substituted by aniline which are represented by the below formula (I), pharmaceutical acceptable salts and stereoisomer thereof, wherein these groups of R1, R2, R3, R4, R5, R6, L and n have the meanings given in the specification. The invention also relates to preparation methods, pharmaceutical compositions, pharmaceutical preparation and the use for preparation of medicine of treating excessive hyperplasia and chronic obstructive pulmonary disease and uses for treating excessive hyperplasia and chronic obstructive pulmonary disease thereof.
    Type: Application
    Filed: August 30, 2011
    Publication date: July 18, 2013
    Applicant: XUANZHU PHARMA CO., LTD.
    Inventors: Zhenhua Huang, Yanyan Dong
  • Publication number: 20130178624
    Abstract: The present invention concerns the compounds of formula wherein Z represents NH; Y represents —C3-9alkyl-, —C2-9alkenyl-, —C3-7alkyl-CO—NH optionally substituted with amino, mono- or di(C1-4alkyl)amino or C1-4alkyloxycarbonylamino-, —C3-7alkenyl-CO—NH— optionally substituted with amino, mono- or di(C1-4alkyl)amino- or C1-4alkyloxycarbonylamino-, C1-5alkyl-NR13—C1-5alkyl-, —C1-5alkyl-NR14—CO—C1-5alkyl-, —C1-6alkyl-CO—NH—, —C1-5alkyl-CO NR15—C1-5alkyl-, —C1-3alkyl-NH—CO-Het20-, —C1-2alkyl-CO-Het21-CO—, —C1-2alkyl-NH—CO—CR16R17—NH—, —C1-2alkyl-CO—NH—CR18R19—CO—, —C1-2alkyl-CO—NR20—C1-3alkyl-CO—, or —NR22—CO—C1-3alkyl-NH—; X1 represents a direct bond, O or —O—C1-2alkyl-; X2 represents a direct bond, —CO—C1-2alkyl-, NR12, —NR12—C1-2alkyl, —O—N?CH— or —C1-2alkyl-; R1 and R2 are hydrogen or halo; R3 are hydrogen; R4 represents hydrogen or C1-4alkyloxy; R12 and R13 are hydrogen or C1-4alkyl; R14 and R15 are hydrogen; R16 and R17 each independently represent hydrogen or C1-4alkyl; R18 and R19 are hydrogen or C1-4
    Type: Application
    Filed: January 18, 2013
    Publication date: July 11, 2013
    Applicant: Janssen Pharmaceutica N.V.
    Inventor: Janssen Pharmaceutica N.V.
  • Publication number: 20130172373
    Abstract: Provided are certain quinazoline compounds, compositions thereof and methods of use thereof. These quinazoline compounds can effectively inhibit the overexpression and/or overactivity of epidermal growth factor receptor (EGFR).
    Type: Application
    Filed: May 25, 2011
    Publication date: July 4, 2013
    Applicant: Hutchison Medipharma Limited
    Inventors: Weihan Zhang, Wei-Guo Su, Haibin Yang, Yumin Cui, Yongxin Ren, Xiaoqiang Yan
  • Publication number: 20130164847
    Abstract: The present invention pertains to methods of using protein tyrosine kinase (PTK) inhibitors for inducing cell differentiation of mesenchymal stem cells into cardiac cells, and a pharmaceutical composition comprising the differentiated cardiac cells thereof to treat heart diseases. The transplantation of mesenchymal stem cells to the heart provides immunological and functional improvements, but does not provide electrical stability. However, the mesenchymal stem cells treated with PTK inhibitors are induced to be differentiated into cardiogenic cells to provide electrical stability as the electromechanical integration with host heart tissue is improved, and it is thus possible to effectively treat cardiac diseases such as cardiac infarction, cardiac insufficiency, arrhythmia and the like.
    Type: Application
    Filed: August 17, 2011
    Publication date: June 27, 2013
    Applicant: PHARMICELL. CO., LTD.
    Inventors: Ki-Chul Hwang, Yang-Soo Jang
  • Publication number: 20130165458
    Abstract: A compound for treating protein kinase-related disease or disorder having a structure of formula (A): wherein X is N or CH; Y is NH, O, or CH2; Z is an aryl or a heteroaryl; and R1, R2, R3, and R4 are independently H, halo, nitro, cyano, aryl, heteroaryl, alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, cycloalkenyl, heterocycloalkenyl, —ORa, —C(O)Ra, —C(O)NRaRb, —NRaC(O)Rb, —NRaRb, —S(O)2Ra, —S(O)2NRa Rb, —NRaS(O)2Rb, —N?CRaRb, or —NRaC(O)NHRb, wherein each of Ra and Rb, independently, is H, alkyl, alkenyl, alkynyl, aryl, aryloxy, alkoxy, hydroxy, heteroaryl, cycloalkyl, heterocycloalkyl, cycloalkenyl, or heterocycloalkenyl, or Ra and Rb, together with the nitrogen atom to which they are bonded, form heteroaryl, heterocycloalkyl, or heterocycloalkenyl; or R3 and R4 are as defined above, and R1 and R2 together with the carbons, to which they are attached, form a heterocycloalkenyl or heteroaryl.
    Type: Application
    Filed: December 27, 2011
    Publication date: June 27, 2013
    Applicant: DEVELOPMENT CENTER FOR BIOTECHNOLOGY
    Inventors: Jiann-Jyh Huang, Chu-Bin Liao, Pao-Nien Chen
  • Patent number: 8471012
    Abstract: The present invention provides a novel and stable hydrated form of erlotinib free base, and a process for its preparation thereof. The present invention also provides a process for preparation of erlotinib hydrochloride crystalline polymorph a substantially free of polymorph B. The present invention further relates to erlotinib hydrochloride crystalline particles having mean particle size (D50) ranging from about 4 ?m to 15 ?m and 90 volume-% of the particles (D90) ranging from about 14 ?m to 30 ?m, to the methods for the manufacture of said crystalline particles, and to pharmaceutical compositions comprising said crystalline particles.
    Type: Grant
    Filed: August 31, 2011
    Date of Patent: June 25, 2013
    Assignee: Hetero Drugs Limited
    Inventors: Bandi Parthasaradhi Reddy, Kura Rathnakar Reddy, Rapolu Raji Reddy, Dasari Muralidhara Reddy, Thungathurthy Srinivas Rao
  • Patent number: 8466165
    Abstract: This invention provides quinazoline compounds of the formula: wherein: R1 is halo; R2 is H or halo; R3 is a) C1-C3 alkyl, optionally substituted by halo; or b) —(CH2)n-morpholino, —(CH2)n-piperidine, —(CH2)n-piperazine, —(CH2)n-piperazine-N(C1-C3 alkyl), —(CH2)n-pyrrolidine, or —(CH2)n-imidazole; n is 1 to 4; R4 is —(CH2)m-Het; Het is morpholine, piperidine, piperazine, piperazine-N(C1-C3 alkyl), imidazole, pyrrolidine, azepane, 3,4-dihydro-2H-pyridine, or 3,6-dihydro-2H-pyridine, each optionally substituted by alkyl, halo, OH, NH2, NH(C1-C3 alkyl) or N(C1-C3 alkyl)2; m is 1-3; and X is O, S or NH; or a pharmaceutically acceptable salt thereof, as well as processes and intermediate compounds for making them, useful pharmaceutical compositions and methods of using the compounds in the treatment of proliferative diseases.
    Type: Grant
    Filed: April 5, 2010
    Date of Patent: June 18, 2013
    Assignee: Warner-Lambert Company LLC
    Inventors: Stephen Alan Fakhoury, Helen Tsenwhei Lee, Jessica Elizabeth Reed, Kevin Matthew Schlosser, Karen Elaine Sexton, Haile Tecle, Roy Thomas Winters
  • Patent number: 8455506
    Abstract: The present invention relates to quinazoline containing zinc-binding moiety based derivatives of Formula (I) below. These compounds have enhanced and unexpected properties as inhibitors of epidermal growth factor receptor tyrosine kinase (EGFR-TK) and are useful in the treatment of EGFR-TK related diseases and disorders such as cancer. These compounds may further act as HDAC inhibitors.
    Type: Grant
    Filed: April 14, 2009
    Date of Patent: June 4, 2013
    Assignee: Curis, Inc.
    Inventors: Changgeng Qian, Xiong Cai, Stephen Gould
  • Publication number: 20130137867
    Abstract: A novel crystal of antitumor drug erlotinib base and its preparation method are provided in the present invention. A preparation method of erlotinib hydrochloride with high-purity is also provided in the present invention.
    Type: Application
    Filed: August 12, 2011
    Publication date: May 30, 2013
    Applicant: Zhejiang Huahai Pharmaceutical Co., Ltd.
    Inventors: Ke Xiang, Min Xu
  • Publication number: 20130137708
    Abstract: The present invention sets forth a new chemical genetic approach for engineering kinase enzymes with a cysteine gatekeeper residue as well as for developing electrophilic inhibitors thereto. The present invention also provides a Src proto-oncogenic tyrosine kinase with a cysteine gatekeeper that recapitulates wild type activity and can be irreversibly inhibited both in vitro and in cells. The present invention also provides methods and compositions for modulating kinases and for treating kinase-associated diseases.
    Type: Application
    Filed: November 30, 2012
    Publication date: May 30, 2013
    Applicant: The Regents of The University of California
    Inventor: The Regents of The University of California
  • Publication number: 20130137711
    Abstract: The present invention relates to polymorphic forms of N-{4-[3-chloro-4-(3-fluoro-benzyloxy)phenylamino]-quinazolin-6-yl}-acrylamide p-toluenesulfonate with the characteristic X-ray powder diffraction data as stated in the description, preparation methods thereof, pharmaceutical compositions comprising the same and the use thereof.
    Type: Application
    Filed: November 19, 2012
    Publication date: May 30, 2013
    Inventors: Shanghai Allist Pharmaceuticals, Inc., Jun Cheng
  • Publication number: 20130137677
    Abstract: The invention provides novel bicyclic azaheterocyclic carboxamide compounds according to Formula (I), their manufacture and use for the treatment of hyperproliferative diseases, such as cancer.
    Type: Application
    Filed: July 1, 2011
    Publication date: May 30, 2013
    Applicant: MERCK PATENT GMBH
    Inventors: Bayard R. Huck, Constantin Neagu, Reinaldo Jones, Lizbeth Celeste DeSelm, Yufang Xiao, Srinivasa R. Karra, Ruoxi Lan, Igor Mochalkin, Amanda E. Sutton, Thomas E. Richardson
  • Patent number: 8450482
    Abstract: Processes for the preparation of 4-(3-chloro-2-fluoroanilino)-7-methoxy-6-{[1-(N-methylcarbamoylmethyl)piperidin-4-yl]oxy}quinazoline, salts thereof, and the intermediates used in the process are described.
    Type: Grant
    Filed: April 22, 2010
    Date of Patent: May 28, 2013
    Assignee: Astrazeneca AB
    Inventors: Kay Alison Boardman, Oliver Robert Cunningham, William Robert Fraser Goundry, David Dermot Patrick Laffan
  • Publication number: 20130131341
    Abstract: The present invention relates to three novel crystalline forms of Erlotinib hydrochloride and method of preparation thereof. Erlotinib hydrochloride is N-(3-ethynylphenyl)-6,7-bis(2-methoxy ethoxy)-4-quinazolinamine hydrochloride of formula-(I). The present invention provides stable novel crystalline forms of Erlotinib hydrochloride designated as Form-M, Form-N and Form-P, and processes for the preparation of the same. Erlotinib hydrochloride can be used as medicament for the treatment of hyperproliferative disorders, such as cancers, in humans.
    Type: Application
    Filed: November 19, 2012
    Publication date: May 23, 2013
    Applicant: NATCO PHARMA LIMITED
    Inventor: Natco Pharma Limited
  • Publication number: 20130123270
    Abstract: The present invention relates to compounds useful as Chemokine Receptor antagonists. Compounds of general formula I are provided: or pharmaceutically acceptable salts thereof. The invention also provides pharmaceutically acceptable compositions comprising said compounds and methods of using the compounds and compositions for the inhibition of Chemokine Receptors and also for the treatment of various diseases, conditions, or disorders, including acute or chronic inflammatory disease, cancer or osteolytic bone disorders.
    Type: Application
    Filed: March 26, 2012
    Publication date: May 16, 2013
    Applicant: Millennium Pharmaceuticals, Inc.
    Inventors: Kenneth G. Carson, Prakash Raman, Francois Soucy, Qing Ye, Shomir Ghosh
  • Publication number: 20130123497
    Abstract: There is provided a crystalline form of Lapatinib, termed APO-I, and methods for making APO-I. There is also provided a crystalline solvate form of Lapatinib, termed APO-II, and methods for making APO-II.
    Type: Application
    Filed: April 21, 2011
    Publication date: May 16, 2013
    Applicant: APOTEX PHARMACHEM INC.
    Inventors: Carlos Zetina-Rocha, Eduardo Gustavo Cammisa, Gamini Weeratunga
  • Publication number: 20130109706
    Abstract: Quinazoline derivatives are provided that specifically inhibit proliferation of T cells without affecting the level of IL-2 secreted from said T cells. These compounds as well as pharmaceutical composition comprising them are useful for the treatment of indications mediated by T cell proliferation.
    Type: Application
    Filed: January 27, 2011
    Publication date: May 2, 2013
    Applicant: YISSUM RESEARCH DEVELOPMENT COMPANY OF THE HEBREW UNIVERSITY OF JERSALEM LTD.
    Inventors: Alexander Levitzki, Idit Sagiv
  • Patent number: 8431586
    Abstract: The present invention relates to novel quinazoline derivatives with less skin irritation and an excellent action of strongly suppressing scratching behavior, and pharmaceutical compositions containing a quinazoline derivative as an active ingredient. The present invention is directed to the quinazoline derivatives represented by the general formula [1] or pharmaceutically acceptable salts thereof. In the general formula [1], R1 represents hydrogen or the like; R2 represents hydrogen or the like; R3 and R4 are the same or different and represent hydrogen, alkyl, alkoxy or halogen; R5 is combined with R6 to represent alkylene or represents hydrogen, hydroxy, alkyl, phenyl or alkoxy; R6 represents alkyl, cycloalkyl, phenyl, a 5- to 10-membered aromatic heterocyclic group containing one to three heteroatoms selected from the group consisting of a nitrogen atom, an oxygen atom and a sulfur atom, or —N(R6-1)(R6-2).
    Type: Grant
    Filed: October 3, 2006
    Date of Patent: April 30, 2013
    Assignee: Nippon Shinyaku Co., Ltd.
    Inventors: Masahiko Okano, Tatsuya Oyama
  • Patent number: 8426430
    Abstract: Quinazoline derivatives of the following formula: wherein R1, R2, R3, R4, R5, X, Y, and Z are defined herein. It also discloses a method of treating cancer with one of these compounds.
    Type: Grant
    Filed: June 30, 2008
    Date of Patent: April 23, 2013
    Assignee: Hutchison Medipharma Enterprises Limited
    Inventors: Weihan Zhang, Wei-Guo Su, Haibin Yang, Yumin Cui, Yongxin Ren, Xiaoqiang Yan
  • Patent number: 8404698
    Abstract: Quinazoline derivatives represented by the general formula pharmacologically acceptable salts thereof, and compositions containing such compounds are described. Methods for using the compounds for treatment of hyperproliferative disorders are also disclosed.
    Type: Grant
    Filed: June 16, 2008
    Date of Patent: March 26, 2013
    Assignee: Rexahn Pharmaceuticals, Inc.
    Inventors: Young Bok Lee, Chang Ho Ahn
  • Patent number: 8404839
    Abstract: 4-(3-chloro-2-fluoroanilino)-7 methoxy-6-{[1-(N-methylcarbamoylmethyl)piperidin-4-yl]oxy}quinazoline difumarate, pharmaceutical compositions containing the difumarate, the use of the difumarate in the treatment of hyperproliferative disorders such as cancer and processes for the manufacture of the difumarate are described.
    Type: Grant
    Filed: October 14, 2011
    Date of Patent: March 26, 2013
    Assignee: Astrazeneca AB
    Inventor: Andrew Hornby Dobson
  • Patent number: 8399461
    Abstract: The present invention relates to bicyclic heterocycles of general formula the tautomers, the stereoisomers, the mixtures and the salts thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids which have valuable pharmacological properties, particularly an inhibitory effect on signal transduction mediated by tyrosine kinases, the use thereof for treating diseases, particularly tumoral diseases, as well as benign prostatic hyperplasia (BPH), diseases of the lungs and respiratory tract, and the preparation thereof.
    Type: Grant
    Filed: November 3, 2007
    Date of Patent: March 19, 2013
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Frank Himmelsbach, Birgit Jung
  • Patent number: 8399667
    Abstract: The invention concerns quinazoline derivatives of Formula (I) wherein each of Q1, Z, R1 and Q2 have any of the meanings defined in the description; processes for their preparation, pharmaceutical compositions containing them and their use in the manufacture of a medicament for use as an antiproliferative agent in the prevention or treatment of tumours which are sensitive to inhibition of erbB receptor tyrosine kinases.
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: March 19, 2013
    Assignee: Astrazeneca AB
    Inventors: Robert Hugh Bradbury, Laurent Francois Andre Hennequin, Jason Grant Kettle
  • Publication number: 20130065902
    Abstract: The present invention relates to 3-(heteroaryl-amino)-1,2,3,4-tetrahydro-9H-carbazole derivatives of the formula (I), wherein R1, R2 and R3 are as described in the description and their use as prostaglandin receptor modulators, most particularly as prostaglandin D2 receptor modulators, in the treatment of various prostaglandin-mediated diseases and disorders, to pharmaceutical compositions containing these compounds and to processes for their preparation.
    Type: Application
    Filed: March 21, 2011
    Publication date: March 14, 2013
    Applicant: Actelion Pharmaceuticals Ltd.
    Inventors: Hamed Aissaoui, Heinz Fretz, Julien Hazemann, Sylvia Richard-Bildstein, Romain Siegrist
  • Patent number: 8394954
    Abstract: Disclosed herein are benzophenone hybrids with potent anticancer activities and processes for creation of the same.
    Type: Grant
    Filed: March 26, 2008
    Date of Patent: March 12, 2013
    Assignee: Council of Scientific & Industrial Research
    Inventors: Ahmed Kamal, Bandari Rajendra Prasad
  • Patent number: 8389531
    Abstract: The present invention provides an improved and commercially viable process for preparation of erlotinib substantially free of N-methoxyethyl impurity, namely N-[(3-ethynylphenyl)-(2-methoxyethyl)]-6,7-bis(2-methoxyethoxy)-4-quinazolinamine, and its pharmaceutically acceptable acid addition salts thereof in high purity and in high yield. According to the present invention, erlotinib or a pharmaceutically acceptable acid addition salt of erlotinib substantially free of N-methoxyethyl impurity is prepared by isolating erlotinib or a pharmaceutically acceptable salt of erlotinib from a solvent medium comprising dimethyl sulfoxide and an alcoholic solvent.
    Type: Grant
    Filed: July 11, 2007
    Date of Patent: March 5, 2013
    Assignee: Hetero Drugs Limited
    Inventors: Bandi Parthasaradhi Reddy, Kura Rathnakar Reddy, Rapolu Raji Reddy, Dasari Muralidhara Reddy, Thungathurthy Srinivasa Rao
  • Patent number: 8372856
    Abstract: Erlotinib hydrochloride hydrate is formed from an aqueous solution and is useful as a pharmaceutical and as a purification intermediate.
    Type: Grant
    Filed: October 25, 2007
    Date of Patent: February 12, 2013
    Assignee: Synthon BV
    Inventor: Raymond J. H. Westheim
  • Publication number: 20130035350
    Abstract: This disclosure concerns novel quinazoline compounds of Formula (I) as defined in the specification and compositions comprising such novel compounds. These compounds are useful anticancer agents, especially in inhibiting the function of the EGF receptor tyrosine kinases, HER1 tyrosine kinase, and HER2 tyrosine kinase. Thus, the disclosure also concerns a method of treating hyperproliferative diseases or conditions, such as various cancers and benign prostate hyperplasia (BPH), by use of these novel compounds or a composition comprising such novel compounds.
    Type: Application
    Filed: December 21, 2010
    Publication date: February 7, 2013
    Inventors: Qiang Zhang, Hongwen Zhu
  • Publication number: 20130029942
    Abstract: Disclosed are 4-arylamino-quinazolines and analogs thereof that are effective as activators of caspases and inducers of apoptosis. The compounds of this invention are useful in the treatment of a variety of clinical conditions in which uncontrolled growth and spread of abnormal cells occurs.
    Type: Application
    Filed: October 4, 2012
    Publication date: January 31, 2013
    Applicant: Myrexis, Inc.
    Inventor: Myrexis, Inc.
  • Publication number: 20130018033
    Abstract: Compounds of Formula I are useful for inhibition of Raf kinases. Methods of using compounds of Formula I and stereoisomers, tautomers, prodrugs and pharmaceutically acceptable salts thereof, for in vitro, in situ, and in vivo diagnosis, prevention or treatment of such disorders in mammalian cells, or associated pathological conditions are disclosed.
    Type: Application
    Filed: August 27, 2010
    Publication date: January 17, 2013
    Applicant: ARRAY BIOPHARMA INC.
    Inventors: Ignacio Aliagas, Stefan Gradl, Janet Gunzner, Wendy Lee, Simon Mathieu, Joachim Rudolph, Zhaoyang Wen, Guiling Zhao, Alexandre J. Buckmelter, Jonas Grina, Joshua D. Hansen, Ellen Laird, David Moreno, Li Ren, Steven Mark Wenglowsky
  • Publication number: 20130012528
    Abstract: This invention relates to novel compounds and hydrochloric acid salts thereof. More specifically, this invention relates to novel compounds and hydrochloric acid salts thereof derived from erlotinib. This invention also provides compositions comprising one or more compounds of this invention and a carrier and the use of the disclosed compounds and compositions in methods of treating diseases and conditions that are beneficially treated by administering an epidermal growth factor receptor tyrosine kinase (EGFR) inhibitor, such as erlotinib.
    Type: Application
    Filed: July 5, 2011
    Publication date: January 10, 2013
    Inventor: Xueheng Cheng
  • Patent number: 8349855
    Abstract: The present invention relates to three novel crystalline forms of Erlotinib hydrochloride and method of preparation thereof. Erlotinib hydrochloride is N-(3-ethynylphenyl)-6,7-bis(2-methoxy ethoxy)-4-quinazolinamine hydrochloride of formula-(I). The present invention provides stable novel crystalline forms of Erlotinib hydrochloride designated as Form-M, Form-N and Form-P, and processes for the preparation of the same. Erlotinib hydrochloride can be used as medicament for the treatment of hyperproliferative disorders, such as cancers, in humans.
    Type: Grant
    Filed: September 11, 2007
    Date of Patent: January 8, 2013
    Assignee: Natco Pharma Limited
    Inventors: Ramanadham Jyothi Prasad, Bhujanga rao Adibhatla Kali Satya, Nannapaneni Venkaiah Chowdary