Preparation of arthropodicidal oxadiazines

Details Preparation of arthropodicidal oxadiazines Preparation of arthropodicidal oxadiazines

C - Chemistry, Metallurgy

07

D

C07D 273/04 (2006.01) C07C 63/68 (2006.01) C07C 65/21 (2006.01) C07C 69/757 (2006.01) C07C 69/76 (2006.01) C07C 69/92 (2006.01) C07C 271/66 (2006.01) C07C 281/04 (2006.01)

Patent

CA 2188400

A method for making arthropodicidal oxadiazines and intermediates which ate racemic or enantiomerically enriched at their chiral center, the method for making the oxadiazines comprising reaction of an intermediate selected from (II) or (IIa), wherein; R1 is F Cl, or C1-C3 fluoroalkoxy, R2 is C1-C3 alkyl and R4 is H or CO2CH2(C6H5), as well as certain selected intermediates including those depicted above, and methods of making them.

Procédé de fabrication d'oxadiazines arthropodicides et de produits intermédiaires qui sont racémiques ou énantiomériquement enrichis au niveau de leur centre chiral, ce procédé consistant à faire réagir un produit intermédiaire sélectionné à partir de la formule (II) ou (IIa) dans lesquelles: R<1> représente F, Cl ou fluoroalcoxy C1-C3, R<2> représente alkyle C1-C3 et R<4> représente H ou CO2CH2(C6H5). L'invention se rapporte également à certains produits intermédiaires sélectionnés comprenant ceux décrits ci-dessus, ainsi qu'à leurs procédés de fabrication.

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