Fused polycyclic compounds having a heterocyclic ring(s) and...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C540S557000

Reexamination Certificate

active

07928101

ABSTRACT:
The present invention provides a fused polycyclic compound of the following formula, analogues thereof and pharmaceutically acceptable salts thereof; and agents for increasing the sugar-transporting capacity, hypoglycemic agents and pharmaceutical compositions containing the above compounds. This fused polycyclic compound has high medicinal properties and few side-effects, and a therapeutic effect on diabetes.wherein R represents an alkoxy group, R′ represents an oxazolylpropionyl group or a thiazolylpropionyl group, and R″ represent a hydrogen atom.

REFERENCES:
patent: 2004/0048847 (2004-03-01), Iino et al.
patent: 2005/0272641 (2005-12-01), Ikenoue et al.
patent: 1 346 993 (2003-09-01), None
patent: 2004-10523 (2004-01-01), None
patent: WO 02/44180 (2002-06-01), None
patent: WO 2004/069259 (2004-08-01), None
patent: WO 2005/068467 (2005-07-01), None
U.S. Appl. No. 11/486,213, filed Jul. 14, 2006, Hirama et al.
U.S. Appl. No. 11,398,675, filed Apr. 6, 2006, Iino et al.
Keizo Matsuo, et al., “Synthesis of the Novel Furo[3,4-b][1,5]benzodiazepinone and Pyrrolo [3,4-b][1 ,5]benzodiazepinone Systems1)”, Chemical & Pharmaceutical Bulletin, vol. 32, No. 9, 1984, pp. 3724-3729, XP002577154.
Japanese Office Action mailed Nov. 22, 2010 in Japanese Patent Application No. 2005-515193.

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