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. 04, 1980
Filed:
Dec. 06, 1979
Applicant:
Inventors:
Assignee:
Roussel Uclaf, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
424263 ; 546273 ;
Abstract
A novel process for the preparation of piperidylindoles of the formula ##STR1## wherein R is selected from the group consisting of hydrogen and alkyl of 1 to 3 carbon atoms and X is selected from the group consisting of hydrogen, nitro, fluorine, bromine, chlorine and alkoxy of 1 to 3 carbon atoms and their non-toxic, pharmaceutically acceptable acid addition salts thereof by reacting an indole of the formula ##STR2## with 4-piperidone hydrochloride in an alkaline medium to obtain the compound of formula I which is optionally salified and the novel product, 5-nitro-3-(1,2,3,6-tetrahydropyridin-4-yl)-1H-indole and its non-toxic, pharmaceutically acceptable acid addition salts.