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:
Jan. 10, 1995
Filed:
Jun. 30, 1993
Applicant:
Inventors:
Jean-Paul Roduit, Sierre, CH;
Alain Wellig, Ried-Morel, CH;
Assignee:
Lonza Ltd., Gampel/Valais, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546273 ; 548510 ; 548490 ; 548466 ;
Abstract
A process for the production of 7-acylindoles of the general formula: ##STR1## starting from indoline of the formula: ##STR2## Indoline is cyanized in a first stage to 7-cyanoindoline of the formula: ##STR3## The latter is catalytically dehydrogenated in a second stage to 7-cyanindole of the formula: ##STR4## The latter is then acylated in a third stage with an organometallic compound of the formula: