Title:
CHAIN OLIGOLACTIC ACID THIOESTER
Document Type and Number:
WIPO Patent Application WO/2003/076404
Kind Code:
A1
Abstract:
A chain oligolactic acid thioester having a thioester group at an end is produced as a single compound and isolated. It is a compound represented by the general formula (1) or a salt thereof: (1) wherein X represents hydrogen or a hydroxy-protecting group; Y represents an aliphatic, aryl, or heterocyclic group; and n is an integer of 0 to 19.
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Inventors:
WATANABE MIKIO (JP)
MURAKAMI MASAHIRO (JP)
MURAKAMI MASAHIRO (JP)
Application Number:
PCT/JP2003/001696
Publication Date:
September 18, 2003
Filing Date:
February 18, 2003
Export Citation:
Assignee:
AMATO PHARM PROD LTD (JP)
WATANABE MIKIO (JP)
MURAKAMI MASAHIRO (JP)
WATANABE MIKIO (JP)
MURAKAMI MASAHIRO (JP)
International Classes:
A61K31/4164; A61K31/4402; A61K31/695; A61P3/04; A61P3/10; A61P35/00; C07C327/22; C07D213/70; C07D233/84; C07F7/18; (IPC1-7): C07D213/70; A61K31/4164; A61K31/4402; A61K31/695; A61P3/04; A61P3/10; A61P35/00; C07D233/84
Foreign References:
EP1224936A1 | 2002-07-24 | |||
JPS60149554A | 1985-08-07 | |||
US4257801A | 1981-03-24 | |||
US4115100A | 1978-09-19 | |||
JPS51125740A | 1976-11-02 | |||
US4404020A | 1983-09-13 | |||
JPS5094172A | 1975-07-26 | |||
JP2002265420A | 2002-09-18 |
Other References:
BERENGUER R. ET AL.: "Enantioselective synthesis of alpha-hydroxy thioesters viaoxazaborolidine-mediated reduction of alpha-phenylthio-enones", TETRAHEDRON LETTERS, vol. 39, no. 15, 1998, pages 2183 - 2186, XP004110664
See also references of EP 1484319A4
See also references of EP 1484319A4
Attorney, Agent or Firm:
SIKS & CO. (Kyobashi-Nisshoku Bldg. 8-7, Kyobashi 1-chom, Chuo-ku Tokyo, JP)
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