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:
Jun. 15, 1993
Filed:
Nov. 14, 1991
Applicant:
Inventors:
Stephen L Buchwald, Somerville, MA (US);
Alberto Gutierrez, Rockville, MD (US);
Scott C Berk, Somerville, MA (US);
Kristina A Kreutzer, Cambridge, MA (US);
Assignee:
Massachusetts Institute of Technology, Cambridge, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
544106 ; 544146 ; 548560 ; 549 78 ; 564463 ; 564305 ; 564375 ; 564416 ; 564495 ; 568700 ; 568799 ; 568846 ; 568861 ; 568862 ; 568864 ; 568877 ; 568878 ; 568881 ; 568884 ; 568892 ; 5689095 ; 568914 ; 568814 ;
Abstract
A process is provided whereby organic carbonyl substrates, including esters, lactones, ketones, amides and imides are reduced in a reaction with a silane reducing reagent and a catalyst. Exemplary catalysts include metal alkoxides and metal aryloxides.
Buchwald, Stephen. (1993). Catalytic reduction of organic carbonyls using metal catalysts (U.S. Patent No. 5220020). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5220020
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile