Patents by Inventor Samuel J. Danishefsky

Samuel J. Danishefsky has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20020006900
    Abstract: The present invention provides processes for the preparation of the KH-1 and N3 antigens, as well as related analgoues thereof, which are useful as anticancer therapeutics. The present invention also provides various intermediates useful in the preparation of KH-1 and N3 and analogues thereof. Additionally, the invention provides various compositions comprising any of the analogues of KH-1 and N3 available through the methods of the invention and pharmaceutical carriers useful in the treatment of subjects suffering from various forms of epithelial cancer.
    Type: Application
    Filed: April 12, 2001
    Publication date: January 17, 2002
    Inventors: Samuel J. Danishefsky, Prashant P. Deshpande, In Jong Kim, Philip Livingston, Hyun Jin Kim, Govindaswami Ragupathi, Tae Kyo Park
  • Publication number: 20020002194
    Abstract: The present invention provides convergent processes for preparing epothilone A and B, desoxyepothilones A and B, and analogues thereof. Also provided are analogues related to epothilone A and B and intermediates useful for preparing same. The present invention further provides novel compositions based on analogues of the epothilones and methods for the treatment of cancer and cancer which has developed a multidrug-resistant phenotype.
    Type: Application
    Filed: June 5, 2001
    Publication date: January 3, 2002
    Inventors: Samuel J. Danishefsky, Peter Bertinato, Dai-Shi Su, Dang Fang Meng, Ting-Chao Chou, Ted Kamenecka, Erik J. Sorensen, Aaron Balog, Kenneth A. Savin
  • Patent number: 6316630
    Abstract: The present invention provides convergent processes for preparing epothilone A and B, desoxyepothilones A and B, and analogues thereof, useful in the treatment of cancer and cancer which has developed a multidrug-resistant phenotype. Also provided are intermediates useful for preparing said epothilones.
    Type: Grant
    Filed: June 6, 2000
    Date of Patent: November 13, 2001
    Assignee: Sloan Kettering Institute for Cancer Research
    Inventors: Samuel J. Danishefsky, Peter Bertinato, Dai-Shi Su, DongFang Meng, Ting-Chao Chou, Ted Kamenecka, Erik J Sorensen, Aaron Balog, Kenneth A. Savin
  • Patent number: 6303120
    Abstract: The present invention provides a method of synthesizing an allyl pentasaccharide having the structure: as well as related oligosaccharide ceramides and other glycoconjugates useful as vaccines for inducing antibodies to epithelial cancer cells in an adjuvant therapy therefor, and in a method for preventing recurrence of epithelial cancer.
    Type: Grant
    Filed: July 24, 1995
    Date of Patent: October 16, 2001
    Assignee: Memorial Sloan-Kettering Institute for Cancer Research
    Inventors: Samuel J. Danishefsky, Victor Behar, Kenneth O. Lloyd
  • Patent number: 6300355
    Abstract: The present invention provides convergent processes for preparing epothilone A and B, desoxyepothilones A and B, and analogues thereof. Also provided are analogues related to epothilone A and B and intermediates useful for preparing same. The present invention further provides novel compositions based on analogues of the epothilones and methods for the treatment of cancer and cancer which has developed a multidrug-resistant phenotype.
    Type: Grant
    Filed: September 13, 2000
    Date of Patent: October 9, 2001
    Assignee: Sloan-Kettering Institute for Cancer Research
    Inventors: Samuel J. Danishefsky, Peter Bertinato, Dai-Shi Su, Dang Fang Meng, Ting-Chao Chou, Ted Kamenecka, Erik J Sorensen, Aaron Balog, Kenneth A. Savin
  • Patent number: 6284781
    Abstract: The present invention provides convergent processes for preparing epothilone A and B, desoxyepothilones A and B, and analogues thereof. Also provided are analogues related to epothilone A and B and intermediates useful for preparing same. The present invention further provides novel compositions based on analogues of the epothilones and methods for the treatment of cancer and cancer which has developed a multidrug-resistant phenotype.
    Type: Grant
    Filed: October 18, 2000
    Date of Patent: September 4, 2001
    Assignee: Sloan-Kettering Institute for Cancer Research
    Inventors: Samuel J. Danishefsky, Peter Bertinato, Dai-Shi Su, Dand Fang Meng, Ting-Chao Chou, Ted Kamenecka, Erik J Sorensen, Aaron Balog, Kenneth A. Savin
  • Patent number: 6242469
    Abstract: The present invention provides convergent processes for preparing epothilone A and B, desoxyepothilones A and B, and analogues thereof. Also provided are analogues related to epothilone A and B and intermediates useful for preparing same. The present invention further provides novel compositions based on analogues of the epothilones and methods for the treatment of cancer and cancer which has developed a multidrug-resistant phenotype.
    Type: Grant
    Filed: December 3, 1997
    Date of Patent: June 5, 2001
    Assignee: Sloan-Kettering Institute for Cancer Research
    Inventors: Samuel J. Danishefsky, Peter Bertinato, Dai-Shi Su, Dang Fang Meng, Ting-Chao Chou, Ted Kamenecka, Erik J. Sorensen, Aaron Balog, Kenneth A. Savin
  • Patent number: 6238668
    Abstract: The present invention provides processes for the preparation of the KH-1 and N3 antigens, as well as related analgoues thereof, which are useful as anticancer therapeutics. The present invention also provides various intermediates useful in the preparation of KH-1 and N3 and analogues thereof. Additionally, the invention provides various compositions comprising any of the analogues of KH-1 and N3 available through the methods of the invention and pharmaceutical carriers useful in the treatment of subjects suffering from various forms of epithelial cancer.
    Type: Grant
    Filed: January 13, 1998
    Date of Patent: May 29, 2001
    Assignee: Sloan-Kettering Institute for Cancer Research
    Inventors: Samuel J. Danishefsky, Prashant P. Deshpande, In Jong Kim, Philip Livingston, Hyun Jin Kim, Ragupathi Govindaswami, Tae Kyo Park
  • Patent number: 6204388
    Abstract: The present invention provides convergent processes for preparing epothilone A and B, desoxyepothilones A and B, and analogues thereof, useful in the treatment of cancer and cancer which has developed a multidrug-resistant phenotype. Also provided are intermediates useful for preparing said epothilones.
    Type: Grant
    Filed: February 24, 1999
    Date of Patent: March 20, 2001
    Assignee: Sloan-Kettering Institute For Cancer Research
    Inventors: Samuel J. Danishefsky, Peter Bertinato, Dai-Shi Su, DongFang Meng, Ting-Chao Chou, Ted Kamenecka, Erik J Sorensen, Aaron Balog, Kenneth A. Savin, Scott Kuduk, Christina Harris, Xiu-Guo Zhang, Joseph R. Bertino
  • Patent number: 6172205
    Abstract: This invention provides a process for the preparation of a Eleutherobin derivative of the formula: wherein R1 is a hydrogen, ester, nitrile or C2H4—R wherein R4 is a carbohydrate, an alcohol an amine, an amide, an alkyne, or, R2 is a linear or branched alkyl moiety, R3 is an ester, an amide, a carbamate, an acetal compound,an ether or a urethane, R4 is a hydrogen or CH2,position C2 and C3 is cis or trans,position C8 is &agr; or &bgr; and a compound is produced having the structures: Additionally, this experiment provides a method for inhibiting growth of cancerous cells comprising contracting an amount of Eleutherobin derivative effective to inhibit the growth of said cells. Further provided is a method for treating cancer in a subject which comprises administering to the subject a therapeutically effective amount of the Eleutherobin derivative.
    Type: Grant
    Filed: December 11, 1998
    Date of Patent: January 9, 2001
    Assignee: The Trustees of Columbia in the City of New York
    Inventors: Samuel J. Danishefsky, Xiao-Tao Chen, Clare E. Gutteridge, Samit K. Bhattacharya, Bishan Zhou
  • Patent number: 6147076
    Abstract: The present invention provides a compound having the structure: ##STR1## wherein R.sub.1 R.sub.6 and R.sub.7 are independently hydrogen, OH, NH.sub.2, SH, halogen, C.sub.1 -C.sub.9 linear or branched chain alkyl, alkylmercapto, alkylamino, dialkylamino, alkoxy, phenyl, etc.; wherein R.sub.0 and R.sub.2 are independently hydrogen, OH, linear or branched chain alkyl, --CR.sub.3 R.sub.3 --CH(O)CH.sub.2, --CR.sub.3 R.sub.3 --CH.sub.2 CH.sub.3, --CR.sub.3 R.sub.3 --CH.sub.2 CH.sub.2 OH, --CR.sub.3 R.sub.3 --CH(OH)R.sub.4 or --CR.sub.3 R.sub.3 --CH.dbd.CHR.sub.4 ; wherein R.sub.3 and R.sub.4 are independently hydrogen, halogen, C.sub.1 -C.sub.9 linear or branched chain alkyl, phenyl, etc.; wherein R.sub.5 is hydrogen, C.sub.1 -C.sub.9 linear or branched chain alkyl, phenyl, etc.; and wherein R.sub.8 is hydrogen, C.sub.1 -C.sub.9 linear or branched chain acyl, benzoyl, etc.; with the proviso that (a) when R.sub.2 is --CR.sub.3 R.sub.3 --CH(O)CH.sub.2, --CR.sub.3 R.sub.3 --CH.sub.2 CH.sub.3, --CR.sub.3 R.sub.3 --CH.
    Type: Grant
    Filed: November 15, 1996
    Date of Patent: November 14, 2000
    Assignees: Sloan-Kettering Institute for Cancer Research, The Trustees of Columbia University in the City of New York
    Inventors: Samuel J. Danishefsky, Kristopher Depew, Stephen P. Marsden, William Bornmann, Ting Chao Chou, Andrej Zatorski
  • Patent number: 6090789
    Abstract: The present invention provides a process for synthesizing a compound having the structure: ##STR1## wherein R is H, as well as related oligosaccharides useful as a vaccine for inducing antibodies to human breast cancer cells in an adjuvant therapy therefor.
    Type: Grant
    Filed: November 24, 1997
    Date of Patent: July 18, 2000
    Assignee: Sloan-Kettering Institute For Cancer Research
    Inventors: Samuel J. Danishefsky, Mark T. Bilodeau, Shuang Hua Hu, Tae Kyo Park, John T. Randolph, In Jong Kim, Philip O. Livingston
  • Patent number: 6020341
    Abstract: A quinone imine enediyne possessing cytotoxic activity towards cancer cells having general structure (I) wherein R.sub.1, R.sub.2 and R.sub.3 are independently the same or different and are H, Br, Cl, F, NH.sub.2, CO.sub.2 H, OH, linear or branched alkyl, etc.; wherein R.sub.4 is H, OH or linear or branched alkoxy, linear or branched alkoxycarbonyl, etc.; wherein R.sub.5 is H, Br, Cl, F, O.dbd., OH or S--SR, or linear or branched alkyl, etc.; wherein R.sub.6 is H, Br, Cl, F, CO.sub.2 H, OH or S--SR', or linear or branched alkyl, etc.; wherein R.sub.7 is H, OH or S--SR", or linear or branched alkyl, linear or branched alkoxycarbonyl, linear or branched alkoxy or linear or branched hydroxyalkyl; and wherein R, R' and R" are independently the same or different and are linear or branched alkyl, linear or branched acyl or linear or branched alkoxyalkyl.
    Type: Grant
    Filed: October 16, 1997
    Date of Patent: February 1, 2000
    Assignee: Sloan-Kettering Institute for Cancer Research
    Inventors: Samuel J. Danishefsky, Matthew D. Shair, Taeyoung Yoon, Ting-Chao Chou, Karoline K. Mosny
  • Patent number: 5708163
    Abstract: The present invention provides a process for synthesizing a compound having the structure: ##STR1## wherein R is H, as well as related oligosaccharides useful as a vaccine for inducing antibodies to human breast cancer cells in an adjuvant therapy therefor.
    Type: Grant
    Filed: April 28, 1995
    Date of Patent: January 13, 1998
    Assignee: Sloan-Kettering Institute of Cancer Research
    Inventors: Samuel J. Danishefsky, Mark T. Bilodeau, Shuang Hua Hu, Tae Kyo Park, John T. Randolph, In Jong Kim, Philip O. Livingston
  • Patent number: 5679769
    Abstract: The present invention provides a process for synthesizing a glycopeptide having the structure: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and R.sub.8 are each independently H, OH, OR.sup.1, NH.sub.2, NHCOR.sup.i, F, CH.sub.2 OH, CH.sub.2 OR.sup.i, or a substituted or unsubstituted linear or branched chain alkyl, arylalkyl or aryl group, where R.sup.i is H, CHO, CO.sub.2 R.sup.ii, a linear or branched chain alkyl, arylalkyl or aryl group, or an oligosaccharide moiety, etc., wherein R.sub.0 is H, a linear or branched chain alkyl, arylalkyl or aryl group; wherein R.sub.10 is a substituted or unsubstituted linear or branched chain acyl, arylacyl or aroyl group; wherein R.sub.11?x! represents X amino acid side-chains, and denotes position from the N-terminus, and R.sub.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: October 21, 1997
    Assignee: Sloan-Kettering Institute for Cancer Research
    Inventors: Samuel J. Danishefsky, Jacques Roberge, Xenia Beebe
  • Patent number: 5622958
    Abstract: A quinone imine enediyne possessing cytotoxic activity towards cancer cells having the general structure: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are independently the same or different and are H, Br, Cl, F, NH.sub.2, CO.sub.2 H, or OH or a linear or branched alkyl, etc.; wherein R.sub.4 is H, OH or a linear or branched alkoxy, linear or branched alkoxycarbonyl, etc.; wherein R.sub.5 is H, Br, Cl, F, O.dbd., OH or S--SR, or a linear or branched alkyl, etc.; wherein R.sub.6 is H, Br, Cl, F, CO.sub.2 H, OH or S--SR', or a linear or branched alkyl, etc; wherein R.sub.7 is H, OH or S--SR", or a linear or branched alkyl, linear or branched alkoxycarbonyl, linear or branched alkoxy or linear or branched hydroxyalkyl group; and wherein R, R' and R" are independently the same or different and are a linear or branched alkyl, linear or branched acyl or linear or branched alkoxyalkyl group.
    Type: Grant
    Filed: December 1, 1994
    Date of Patent: April 22, 1997
    Assignee: Sloan-Kettering Institute for Cancer Research
    Inventors: Samuel J. Danishefsky, Matthew D. Shair, Taeyoung Yoon, T.-C. Chou
  • Patent number: 5597931
    Abstract: The present invention provides three basic routes for the total synthesis of taxol having the structure: ##STR1## The present invention also provides the intermediates produced in the above processes, processes for synthesizing these intermediates as well as analogues of taxol and nortaxol.
    Type: Grant
    Filed: May 5, 1995
    Date of Patent: January 28, 1997
    Assignee: Sloan-Kettering Institute for Cancer Research
    Inventors: Samuel J. Danishefsky, John Masters, Wendy Young, J. Thomas Link, Richard Isaacs, Lawrence B. Snyder
  • Patent number: 5543505
    Abstract: The present invention provides a compound having the structure: ##STR1## wherein A is selected from the group consisting of (i) an amino acid bearing an .omega.-amino group or an .omega.--(C.dbd.O)-- group, (ii) an amino acid residue of a peptide, which residue bears an .omega.-amino group or an .omega.-(C.dbd.O)-- group, and (iii) an amino acid residue of a protein, which residue bears an .omega.-amino group or an .omega.-(C.dbd.O)-- group; wherein R.sub.1 is H, OH, NH.sub.2 or NHR.sub.4, where R.sub.4 is SO.sub.2 Ph, a linear or branched chain alkyl or acyl group, or an aryl group; wherein M is a saccharide wherein n is an integer from 0 to 18, and where n is greater than 1, each M is independently the same or different; wherein p is either 0 or 1; wherein R.sub.2, R.sub.3, R.sub.5 and R.sub.6 are independently the same or different and are H or OH, with the proviso that R.sub.2 and R.sub.3 are not both OH, and R.sub.5 and R.sub.
    Type: Grant
    Filed: March 15, 1993
    Date of Patent: August 6, 1996
    Assignee: Sloan-Kettering Institute for Cancer Research
    Inventors: Samuel J. Danishefsky, John T. Randolph
  • Patent number: 5541327
    Abstract: Substituted analogues of camptothecin possessing cytotoxic activity towards cancer cells, of the general structure: ##STR1## wherein E is H, CO.sub.2 R, CONH.sub.2, CONHR, CONR.sub.2, acyl, or CN; X is H, OH, or OR; R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are independently the same or different and are H, or a linear or branched chain alkyl, alkylaryl, or hydroxyalkyl group, or an aryl group; R.sup.5, R.sup.6, R.sup.7, R.sup.8, and R.sup.9 are independently the same or different and are H, or a linear or branched chain alkyl, alkylaryl, alkoxy, hydroxyalkyl, or aminoalkoxy group, or an aryl or aryloxy group, or a C-glycal, or CO.sub.2 R, nitro, cyano, Cl, F, Br, I, SR.sup.10, NR.sup.11 R.sup.12, OR.sup.13 ; R is H, or a linear or branched chain alkyl, alkylaryl, or hydroxyalkyl group, or an aryl group; R.sup.10, R.sup.11 and R.sup.12 are independently the same or different and are H, or a linear or branched chain alkyl, alkylaryl, hydroxyalkyl, or acyl group, or an aryl group; R.sup.
    Type: Grant
    Filed: November 14, 1994
    Date of Patent: July 30, 1996
    Assignee: Sloan-Kettering Institute for Cancer Research
    Inventors: Samuel J. Danishefsky, William G. Bornmann, Wang Shen, Craig A. Coburn
  • Patent number: 5527924
    Abstract: The present invention provides two basic routes for the total synthesis of taxol having the structure: ##STR1## The present invention also provides the intermediates produced in the above processes, processes for synthesizing these intermediates as well as analogs to taxol. Both the intermediates and analogs to taxol may prove to be valuable anticancer agents.
    Type: Grant
    Filed: December 5, 1994
    Date of Patent: June 18, 1996
    Assignee: Sloan-Kettering Institute for Cancer Research
    Inventors: Samuel J. Danishefsky, William G. Bornmann, Yves Queneau, Thomas V. Magee, Walter J. Krol