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:
Jun. 07, 2016
Filed:
Aug. 03, 2011
Applicants:
Linhua Wang, Greensboro, NC (US);
Ritesh Bharat Sheth, Friendswood, TX (US);
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; and Ris 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.