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:
Nov. 08, 1977
Filed:
Mar. 29, 1976
Applicant:
Inventors:
Hans Jurgen Bestmann, Erlangen, DT;
Werner Theo Stransky, Uttenreuth, DT;
Otto Vostrowsky, Uttenreuth, DT;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
260682 ; 2606 / ; 2606 / ;
Abstract
A process for preparing cis-olefins of the formula ##STR1## where R is alkyl or alkenyl and R.sup.1 is alkyl and alkenyl, both optionally substituted by hydroxy, carbalkoxy or acyloxy, which comprises an ylide solution of the compound R--CH.sub.2 --P.sup.+ (C.sub.6 H.sub.5).sub.3 Br.sup.- in hexaalkyl phosphoric acid triamide and adding an aldehyde of the formula R.sup.1 --CHO.
Quick Actions:
Bestmann, Hans. (1977). Process for preparing cis-olefins (U.S. Patent No. 4057593). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4057593
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile