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. 01, 2006
Filed:
May. 03, 2002
David Anthony Jackson, Muenchwilen, CH;
James Peter Muxworthy, Huddersfield, GB;
Mark Robert Sykes, Huddersfield, GB;
David Anthony Jackson, Muenchwilen, CH;
James Peter Muxworthy, Huddersfield, GB;
Mark Robert Sykes, Huddersfield, GB;
Syngenta Limited, , GB;
Abstract
A process for the preparation of a compound of the general formula (I): wherein Ris a 4-pyrimidinyl ring substituted at the 6-position by halo, hydroxy, 2-cyanophenoxy, 2,6-difluorophenoxy, 2-nitrophenoxy or 2-thiocarboxamidophenoxy and Ris any group which can be transesterified to form a methyl ester, which comprises treating a compound of general formula (II): wherein Rand Rhave the meanings given above, with a formylating agent and subsequently treating the formylated product with a methylating agent