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:
May. 23, 1978
Filed:
Mar. 31, 1977
Applicant:
Inventor:
Hermann Arold, Wuppertal, DT;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
2606 / ;
Abstract
A process for the preparation of an alkylthiomethylphenol of the formula ##STR1## COMPRISING REACTING A DIALKYLAMINOMETHYLPHENOL OF THE FORMULA ##STR2## WITH A THIOCARBOXYLIC ACID S-ester of the formula ##STR3## in which R.sup.1 is optionally substituted alkyl with 1 to 12 carbon atoms or optionally substituted phenyl, R.sup.2 and R.sup.3 each independently is hydrogen, alkyl with 1 to 5 carbon atoms, halogen or nitro, or together form a benzene ring or cycloalkane ring with 3 to 5 carbon atoms which is fused to the phenyl ring,