Preparation of phosphorus-containing intermediates for...

Details Preparation of phosphorus-containing intermediates for... Preparation of phosphorus-containing intermediates for...

C - Chemistry, Metallurgy

07

F

260/457.2, 260/4

C07F 9/40 (2006.01)

Patent

CA 1297493

ABSTRACT PREPARATION OF PHOSPHORUS-CONTAINING INTERMEDIATES FOR HERBICIDES A process for the preparation of intermediates for herbicides, of formula: Image (I) by reacting a compound of formula: (II) Image with a compound of formula: X - CH2 - CO - ? - SO2 - R1 (III) in which R is hydrogen or a hydrocarbon radical, R1 is a hydrocarbon radical, OR2 and OR3 are hydrolysable groups and X is halogen, the molar ratio (II): (III) being greater than 1.5. -1-

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