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:
Oct. 05, 1999
Filed:
Mar. 25, 1998
Takashi Inaba, Takatsuki, JP;
Yasuki Yamada, Takatsuki, JP;
Japan Tobacco Inc., Tokyo, JP;
Agouron Pharmaceuticals, Inc., LaJolla, CA (US);
Abstract
A method for producing an amide derivative of the formula �XV! ##STR1## wherein each symbol is as defined in the specification, and an enantiomer thereof, a novel intermediate useful for producing said compound and a production method thereof. The production method of the present invention is extremely easy and simple as compared to the conventional methods, and enables effective production of compound �XV! at high yields, which includes compound �XVI! having an HIV protease inhibitory action. In addition, the novel intermediates of the present invention are extremely useful as intermediates for producing not only the aforementioned compound �XVI! but also compounds useful as X-ray contrast media.