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. 15, 1996
Filed:
Jun. 02, 1995
Applicant:
Inventors:
Roberto Arosio, Civate, IT;
Vittorio Rossetti, Milan, IT;
Assignee:
Sanofi, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07J / ; C07J / ;
U.S. Cl.
CPC ...
552554 ;
Abstract
A process is described for the preparation of taurocholanic acids of formula (I): ##STR1## in which A completes the 5.beta.-cyclopentaneperhydrophenanthrene structure of a cholanic acid and E is hydrogen or a methyl group, by reacting the corresponding cholanic acid with the chloride of an acid having a tertiary carbon in the alpha-position, and treating the resulting mixed anhydride with taurine.