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. 10, 1989
Filed:
Dec. 22, 1987
Applicant:
Inventors:
Peter Hammann, Kelkheim, DE;
Susanne Grabley, Konigstein/Taunus, DE;
Wolfgang Raether, Dreieich, DE;
Bernd Ciommer, Kelkheim, DE;
Heinz Kluge, Hofheim am Taunus, DE;
Burkhard Sachse, Kelkheim, DE;
Assignee:
Hoechst Aktiengesellschaft, Fankfurt am Main, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549267 ; 549269 ; 549270 ;
Abstract
It is possible to prepare the demalonyl compound of macrolide lactones by hydrolysis in the presence of a base without a retro-aldol cleavage occurring.