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.
Patent No.:
Date of Patent:
Dec. 14, 2004
Filed:
Dec. 03, 2001
Applicant:
Inventors:
Masaaki Uenaka, Osaka, JP;
Kyozo Kawata, Amagasaki, JP;
Masahiko Nagai, Osaka, JP;
Takeshi Endoh, Osaka, JP;
Assignee:
Shionogi & Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
C07D / ;
Abstract
Industrial and commercial processes for the preparation of 2-acyl-5-benzylfuran derivatives, 1,2,4-triazole-3-carboxylic acid ester derivatives or propenone derivatives having an anti-HIV activity; and useful crystals of the derivatives. A deblocking: (III-2), (IV-10), (VI-1), wherein R , R and R are each independently hydrogen or the like; A is CR or N; R is hydrogen or the like; Q is a protecting group; and L is a leaving group.