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. 23, 1990
Filed:
Nov. 21, 1988
Applicant:
Inventors:
Assignee:
Schering Aktiengesellschaft, Berlin and Bergkamen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07C / ;
U.S. Cl.
CPC ...
549336 ; 568 36 ; 564102 ; 562430 ; 556422 ; 549 75 ; 549491 ; 548561 ; 548341 ; 548214 ; 548146 ; 546329 ;
Abstract
This invention comprises a process for the production of unsymmetrical olefins from prochiral symmetrical ketones by addition of lithiosulfoximine from n-butyllithium and N-substituted S-methyl-S-phenyl-sulfoximine derivatives and then reaction with n-butyllithium/trimethychlorosilane.