CHAIN LACTIC ACID OLIGOMER DERIVATIVE AND PROCESS FOR PRODUCING THE SAME

Title:

CHAIN LACTIC ACID OLIGOMER DERIVATIVE AND PROCESS FOR PRODUCING THE SAME

Document Type and Number:

WIPO Patent Application WO/2004/108654

Kind Code:

A1

Abstract:

A novel chain lactic acid oligomer derivative represented by the following general formula (I): wherein m is an integer of 2 or lager and Y represents -COR¹ or -R² (wherein R¹ represents an optionally substituted aliphatic, aryl, or heterocyclic group and R² represents an optionally substituted heterocyclic group). This chain lactic acid oligomer derivative is useful as an intermediate for the synthesis of a cyclic lactic acid oligomer.

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Inventors:

WATANABE MIKIO (JP)
TAKAMA MASASHI (JP)
TAKANO JIRO (JP)
MURAKAMI MASAHIRO (JP)

Application Number:

PCT/JP2004/007697

Publication Date:

December 16, 2004

Filing Date:

June 03, 2004

Export Citation:

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Assignee:

AMATO PHARM PROD LTD (JP)
WATANABE MIKIO (JP)
TAKAMA MASASHI (JP)
TAKANO JIRO (JP)
MURAKAMI MASAHIRO (JP)

International Classes:

A61K31/235; A61K31/44; A61P3/10; A61P35/00; C07C67/28; C07C69/68; C07D213/64; C08G63/06; C08G63/08; C08G63/78; (IPC1-7): C07C69/68; C07C67/00; C07D213/64

Domestic Patent References:

WO2001021613A1	2001-03-29
WO2001021612A1	2001-03-29

Foreign References:

JPH0959218A	1997-03-04
JP2002275256A	2002-09-25

Attorney, Agent or Firm:

Suzuki, Shunichiro (Gotanda Yamazaki Bldg. 6F 13-6, Nishigotanda 7-chom, Shinagawa-ku Tokyo 31, JP)

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