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:
Feb. 16, 2021
Filed:
Aug. 27, 2018
Applicant:
Kemira Oyj, Helsinki, FI;
Inventors:
Toni Aaltonen, Espoo, FI;
Oili Kallatsa, Turku, FI;
Jaakko Simell, Helsinki, FI;
Nina Sneitz, Helsinki, FI;
Jonas Konn, Espoo, FI;
Jaakko Hiltunen, Kauniainen, FI;
Ari Koskinen, Helsinki, FI;
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
A process for a preparation of arylsulfonylpropenenitriles is disclosed. A reaction starting from arylsulfonyl iodides is catalyzed by light. The process is scalable, environmentally benign and provides the product in good yield.