Process for the preparation of azoxystrobin and analogues...

Details Process for the preparation of azoxystrobin and analogues... Process for the preparation of azoxystrobin and analogues...

2006-08-01

2006-08-01

Rao, Deepak (Department: 1624)

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

Reexamination Certificate

active

07084272

ABSTRACT:
A process for the preparation of a compound of the general formula (I): wherein R1is a 4-pyrimidinyl ring substituted at the 6-position by halo, hydroxy, 2-cyanophenoxy, 2,6-difluorophenoxy, 2-nitrophenoxy or 2-thiocarboxamidophenoxy and R2is any group which can be transesterified to form a methyl ester, which comprises treating a compound of general formula (II): wherein R1and R2have the meanings given above, with a formylating agent and subsequently treating the formylated product with a methylating agent

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patent: 9730020 (1997-08-01), None
Solladie-Cavallo, Arlette; Csaky, Aurelio, G.; Gantz, Ingo; Suffer, Jean: “Diastereoselective Alkylation of 8-Phenylmenthyl Phenylacetate: Aggregated Lithium Enolate versus “Naked” Enolate” J. Org. Chem. vol. 59, 1994, pp. 5343-5346.
Advanced Organic Chemistryby Jerry March, 4thEdition, pp. 675-676, published by John Wiley & Sons, 1992.
Organic Chemistry, vol. 1, by I.L. Finar, 3rdEd., 1959; p. 629.

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