CHAIN OLIGOLACTIC ACID THIOESTER

WIPO Patent Application WO/2003/076404

A1

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.

WO/2001/052847	THIAZOLE, IMIDAZOLE AND OXAZOLE COMPOUNDS AND TREATMENTS OF DISORDERS ASSOCIATED WITH PROTEIN AGING
WO/2007/012661	HYDANTOIN DERIVED COMPOUNDS AND USE THEREOF AS MCHR-1 ANTAGONISTS
JP2002522482	INDUSTRIAL APPLICABILITY The carboxylic acid and the ligand of a heterocyclic ring compound having various heteroatoms for visual impairment and memory impairment.

WATANABE MIKIO (JP)
MURAKAMI MASAHIRO (JP)

PCT/JP2003/001696

September 18, 2003

February 18, 2003

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AMATO PHARM PROD LTD (JP)
WATANABE MIKIO (JP)
MURAKAMI MASAHIRO (JP)

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

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

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

SIKS & CO. (Kyobashi-Nisshoku Bldg. 8-7, Kyobashi 1-chom, Chuo-ku Tokyo, JP)

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