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:
Sep. 19, 1989
Filed:
Dec. 17, 1987
Applicant:
Inventor:
Herbert C Brown, West Lafayette, IN (US);
Assignee:
Aldrich-Boranes, Inc., Milwaukee, WI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568311 ; 568322 ; 568361 ; 568385 ; 568405 ; 549 78 ; 549499 ;
Abstract
A process for synthesizing an optically pure ketone comprising the steps of: treating an appropriate optically pure boronic ester with an organolithium compound at -78.degree. C. to obtain the 'ate' complex, separating the optically pure borinic ester from the complex and converting said borinic ester into an optically pure ketone represented by the formulae: