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. 21, 2018
Filed:
Jun. 26, 2015
Applicant:
Basf Agro B.v., Arnhem, NL;
Inventors:
Joachim Gebhardt, Ludwigshafen, DE;
Manfred Ehresmann, Maxdorf, DE;
Tiziana Chiodo, Mannheim, DE;
Martin Viertelhaus, Mannheim, DE;
Roland Goetz, Neulussheim, DE;
Assignee:
BASF Agro B.V., Arnhem, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 295/096 (2006.01); C07D 249/08 (2006.01); C07D 301/02 (2006.01); C07D 303/38 (2006.01);
U.S. Cl.
CPC ...
C07D 295/096 (2013.01); C07D 249/08 (2013.01); C07D 301/02 (2013.01); C07D 303/38 (2013.01);
Abstract
The present invention relates to a process for the preparation of oxirane compounds of formula II from keto compounds III using dimethyl sulfide (CH)S and dimethylsulfate (CH)SO, forming the reagent IV, trimethylsulfonium methylsulfate [(CH)SCHSO], in aqueous solution in the presence of potassium hydroxide (KOH).