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:
May. 30, 1989

Filed:

Jan. 06, 1987
Applicant:
Inventors:

Ambrogio Magni, Osnago, IT;

Oreste Piccolo, Leghorn, IT;

Antonio Ascheri, Vedano al Lambro, IT;

Assignee:

Blaschim S.p.A., Milan, IT;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07J / ;
U.S. Cl.
CPC ...
2603971 ;
Abstract

The keto group at the 7-position of a bile keto acid is stereoselectively reduced to a beta-hydroxy group with hydrogen in the presence of nickel, a base (the quantity of which is at least 0.3 mole for each mole of keto acid), and an alcohol having from 3 to 10 C atoms, selected from the group consisting of secondary alcohols, tertiary alcohols and beta-branched alcohols.


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Magni, Ambrogio. (1989). Stereoselective reduction of the keto group at 7-position of a bile keto (U.S. Patent No. 4834919). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4834919

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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