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:
Mar. 27, 2018
Filed:
May. 03, 2016
Applicant:
Syngenta Participations Ag, Basel, CH;
Inventors:
Linhua Wang, Greensboro, NC (US);
Ritesh Bharat Sheth, Friendswood, TX (US);
Assignee:
Syngenta Participations AG, Basel, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 231/14 (2006.01); C07D 409/12 (2006.01);
U.S. Cl.
CPC ...
C07D 231/14 (2013.01); C07D 409/12 (2013.01);
Abstract
The present invention provides a process for the preparation of a compound of formula I: wherein Ris C-Chaloalkyl;Ris optionally substituted alkyl, optionally substituted aryl or optionally substituted heteroaryl; andRis methyl or ethyl;comprising reacting a compound of formula IV: wherein R, Rand Rare as defined for the compound of formula I;with an alkylating agent in the presence of an amide.