OLIGOSACCHARIDE DERIVATIVE

WIPO Patent Application WO/2004/067542

A1

A compound having a structure represented by the following general formula (I): (I) (A is a cyclic group, etc.; R¹ and R² each is alkyl, hydroxymethyl, etc.; and n is 1 or 2); or a pharmacologically acceptable salt or ester of the compound. They are highly active and safe and are useful as a therapeutic agent and/or preventive agent for diabetes, etc.

HONDA TAKESHI (JP)
OKUNO AKIRA (JP)
IZUMI MASANORI (JP)
LI XIAOLIU (JP)

PCT/JP2004/000879

August 12, 2004

January 29, 2004

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SANKYO CO (JP)
HONDA TAKESHI (JP)
OKUNO AKIRA (JP)
IZUMI MASANORI (JP)
LI XIAOLIU (JP)

A61K31/7028; A61K31/7032; A61K31/7056; A61P3/06; A61P3/10; A61P43/00; C07H15/203; C07H17/02; C12N9/99; C07H; (IPC1-7): C07H15/203; C07H17/02; A61K31/7028; A61K31/7032; A61K31/7056; A61P3/06; A61P3/10; A61P43/00; C12N9/99

WO2001094367A1	2001-12-13
WO2000050434A1	2000-08-31

YAMASHITA T. ET AL: "New Polyhydroxylated Pyrrolidine, Piperidine, and Pyrrolizidine Alkaloids from Scilla sibirica", JOURNAL OF NATURAL PRODUCTS, vol. 65, no. 12, December 2002 (2002-12-01), pages 1875 - 1881, XP002979720
UCHIDA R. ET AL: "Synthesis of new N-containing maltooligosaccharides, alpha-amylase inhibitors, and their biological activities", CHEMICAL & PHARMACEUTICAL BULLETIN, vol. 47, no. 2, February 1999 (1999-02-01), pages 187 - 193, XP001069069

Ohno, Akio c/o Sankyo Company (Limited 2-58, Hiromachi 1-chom, Shinagawa-ku Tokyo, JP)

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