Oligosaccharide derivative

Details Oligosaccharide derivative Oligosaccharide derivative

2008-04-22

2008-04-22

Jiang, Shaojia Anna (Department: 1623)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

C514S025000, C514S027000, C514S061000, C536S004100, C536S018500

Reexamination Certificate

active

11193655

ABSTRACT:
Compounds having the formula (I):wherein A represents a group such as a cyclic group, R1and R2represent groups such as alkyl groups or hydroxymethyl groups, and n represents 1 or 2, or pharmacologically acceptable salts thereof or pharmacologically acceptable esters thereof have superior activity and stability, and are useful for the treatment and/or prevention of diabetes mellitus, or the like.

REFERENCES:
patent: 6596696 (2003-07-01), Uchida et al.
patent: 2004/0006046 (2004-01-01), Uchida et al.
patent: WO 00/50494 (2000-08-01), None
patent: WO 01/94367 (2001-12-01), None
Toru Yamashita et al., “New Polyhydroxylated Pyrrolidine, Piperidine, and Pyrrolizidine Alkaloids fromScilla sibirica,” Journal of Natural Products, vol. 65, No. 12, pp. 1875-1881, Dec. 2002, published on web Nov. 1, 2002.
Riichiro Uchida et al., “Synthesis of New N-Containing Maltooligosaccharides, α-Amylase Inhibitors, and Their Biological Acitivities,” Chemical & Pharmaceutical Bulletin, vol. 47, No. 2, pp. 187-193, Feb. 1999.
Japanese Patent Office, International Search Report for PCT/JP2004/000879, May 18, 2004.
Undated English translation of the International Preliminary Report on Patentability for corresponding application No. PCT/JP2004/000879.

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