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Title:
4’-C-CYANO-2’-DEOXYPURINE NUCLEOSIDES
Document Type and Number:
WIPO Patent Application WO/2003/068796
Kind Code:
A1
Abstract:
4’-C-Cyano-2’-deoxypurine nucleosides represented by the following general formula [I] which have an excellent anti-HIV effect, in particular, an efficacy on multidrug-resistant HIV strains having resistance to a plural number of anti-HIV drugs such as AZT, ddI, ddC, d4T and 3TC without causing any problems in cytotoxicity; and medicinal compositions comprising such a compound and a pharmaceutically acceptable carrier: [I] wherein B represents a purine base; and R represents hydrogen or phosphate.

Inventors:
KOHGO SATORU (JP)
YAMADA KOHEI (JP)
SAKATA SHINJI (JP)
OHRUI HIROSHI (JP)
KODAMA EIICHI (JP)
MATSUOKA MASAO (JP)
MITSUYA HIROAKI (JP)
Application Number:
PCT/JP2003/001218
Publication Date:
August 21, 2003
Filing Date:
February 06, 2003
Export Citation:
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Assignee:
YAMASA CORP (JP)
KOHGO SATORU (JP)
YAMADA KOHEI (JP)
SAKATA SHINJI (JP)
OHRUI HIROSHI (JP)
KODAMA EIICHI (JP)
MATSUOKA MASAO (JP)
MITSUYA HIROAKI (JP)
International Classes:
A61P31/18; C07H19/04; (IPC1-7): C07H19/173; A61K31/7076; A61P31/18
Domestic Patent References:
WO2000069877A12000-11-23
WO2002100415A22002-12-19
Foreign References:
US5192749A1993-03-09
Other References:
O-YANG COUNDE ET AL.: "Synthesis of 4'-cyanothymidine and analogs as potent inhibitors of HIV", TETRAHEDRON LETTERS, vol. 33, no. 1, 1 January 1992 (1992-01-01), pages 37 - 40, XP002969549
NOMURA MAKOTO ET AL.: "Nucleosides and nucleotides. 185. Synthesis and biological activities of 4'-alpha-C-branched-chain sugar pyrimidine nucleosides", JOURNAL OF MEDICINAL CHEMISTRY, vol. 42, no. 15, 29 July 1999 (1999-07-29), pages 2901 - 2908, XP000915083
ESTRADA ERNESTO ET AL.: "In silico studies toward the discovery of new anti-HIV nucleoside compounds with the use of TOPS-MODE and 2D/3D connectivity indices. 1. Pyrimidyl derivatives", JOURNAL OF CHEMICAL INFORMATION AND COMPUTER SCIENCES, vol. 42, no. 5, 2002, pages 1194 - 1203, XP002969550
Attorney, Agent or Firm:
Takashima, Hajime (2-14 Fushimimachi 4-chome, Chuo-k, Osaka-shi Osaka, JP)
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