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Preparation of oxacyclohexane derivative

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专利汇可以提供Preparation of oxacyclohexane derivative专利检索,专利查询,专利分析的服务。并且NEW MATERIAL:A compound of formulaI(R1 is alkyl, phenyl or substituted phenyl; R2 is alkyl, alkenyl, alkynyl, phenyl, substituted phenyl or benzyl; A is formula II, III or IV; X is alkyl, phenyl or substituted phenyl; n is an integer 0W4; R3 and R4 are H, alkyl, phenyl or substituted phenyl).
EXAMPLE: 3-(1-Ethoxyaminoethylidene)-5,6-dimethyltetraphydropyran-2,4-dione.
USE: A controlling agent against injurious organisms useful as a herbicide, germicide and acaricide.
PROCESS: A compound of the formula Y-CO-R1 (Y is formula V, VI or VII) is reacted with a compound of the formula R
2 OHN
2 to give the compound of formulaI. The resultant compound of formulaIexhibits excellent selective herbicidal action on gramineous weeds with almost no phytotoxicity to broad-leaved crops and is applicable to a wide range of periods, places and concentrations without fear of residual toxicity and acute toxicity to men, cattle and fishes.
COPYRIGHT: (C)1982,JPO&Japio,下面是Preparation of oxacyclohexane derivative专利的具体信息内容。

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