Sulfinamide derivative

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专利汇可以提供Sulfinamide derivative专利检索,专利查询,专利分析的服务。并且NEW MATERIAL:The compound of formulaI[R
1 is alkoxycarbonylmethyl or cyanomethyl; R
2 is group of formula II or formula III (X and Y are alkyl or alkoxy; m is integer 0W3)].
EXAMPLE: (N-Cyanomethyl-N-diphenylphosphonometyl)phenoxysulfinamide.
USE: Herbicide having non-selective herbicidal effect to annual and perennial weeds by the foliar treatment after germination of the weeds. Useful as an agent for the treatment of a plowed field before or after seeding or before transplantation of crop.
PROCESS: The compound of formulaIis prepared by (1) reacting a phosphonomethylamino derivative of formula IV with a thionyl halide at -10W+30°C, and after or without isolating the resultant compound of formula V from the reaction mixture, (2) reacting the compound of formula V with a phenol or a thiol of formula R
2 H at -10W+30°C.
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