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:
Aug. 27, 2024
Filed:
Nov. 04, 2019
Applicant:
Kemira Oyj, Helsinki, FI;
Inventors:
Jaakko Hiltunen, Kauniainen, FI;
Petteri Suominen, Espoo, FI;
Ivan Ogibalov, Tartu, EE;
Ain Uustare, Tartu, EE;
Assignee:
Kemira Oyj, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 315/04 (2006.01); C07C 317/32 (2006.01);
U.S. Cl.
CPC ...
C07C 315/04 (2013.01); C07C 317/32 (2013.01);
Abstract
The present invention relates to a process for the preparation of arylsulfonylpro-penenitriles. The reaction starting from arylsulfonyl halides is catalyzed by a cat-alyst compound comprising a transition metal. The process is scalable, environ-mentally benign and provides the product in good yield.