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:
Jul. 03, 1984
Filed:
Jun. 29, 1982
Isaac Chekroun, Toulouse, FR;
Alain Heymes, Sisteron, FR;
Sanofi, Toulouse, FR;
Abstract
The present invention provides a process for the preparation of 2-(thienyl-2)- and 2-(thienyl-3)-ethylamines of the general formula: ##STR1## in which R.sub.1, which is in the 2-, 3-, 4- or 5-position, is a hydrogen atom, a straight-chained or branched alkyl radical or a heterocyclic or non-heterocyclic aromatic radical, which is optionally mono- or polysubstituted, or R.sub.1 is an alkoxy radical, a halogen atom or a nitro, carboxyl, cyano or amino group; the aminoethyl chain is in the 2- or 3-position of the thiophene nucleus; R.sub.2 is a hydrogen atom or a straight-chained or branched alkyl radical or a heterocyclic or non-heterocyclic aromatic radical, which is optionally mono- or poly-substituted; and Ar is a heterocyclic or non-heterocyclic aromatic radical, which is optionally mono- or poly-substituted.