The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 25, 2008

Filed:

Mar. 24, 2003
Applicants:

Masatoshi Abe, Tokyo, JP;

Masashi Nagai, Nishitokyo, JP;

Keiichirou Yamamoto, Tokyo, JP;

Chihiro Nishimura, Chiba, JP;

Inventors:

Masatoshi Abe, Tokyo, JP;

Masashi Nagai, Nishitokyo, JP;

Keiichirou Yamamoto, Tokyo, JP;

Chihiro Nishimura, Chiba, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/675 (2006.01); A61K 31/45 (2006.01); C07D 211/92 (2006.01); C07F 9/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

There are disclosed a novel α-amino-N-(diaminophosphinyl)lactam derivative represented by general formula (1): wherein, for example, A is a hydrogen atom or a substituent such as a lower alkyl group or the like; W, X, Y and Z are independently a hydrogen atom or a substituent such as a lower alkyl group, aryl group, arylacyl group, arylaminocarbonyl group or the like; and Q is —(CH)— wherein n is 0 to 3, or its salt, and a therapeutic agent and a prophylactic agent for myelosuppression, a therapeutic agent for infectious diseases, an agent for increasing the number of leukocytes and a dipeptidyl peptidase IV inhibitor which comprise the above-mentioned derivative or salt thereof as an active ingredient.


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