Procedure for the preparation of compounds of amino - 5 - 3 - 1 - aryl compounds cianopirazol, intermediaries in the same Application processes for preparing these compounds and Intermediates

摘要

A process for the preparation of a compound of Formula I in which W is nitrogen or -CR4; R2, R4, R5 and R6 are independently selected from hydrogen, halogen, C1-C6 alkyl, C1-C6 haloalkyl, C1-C6 alkoxy, C1-C6 haloalkoxy, R7S (O) n-,nitro, cyano and -SF5, and R3 is hydrogen, halogen, C1-C6 alkyl, C1-C6 haloalkyl, C1-C6 alkoxy, C1-C6 haloalkoxy, R7S (O) n-,nitro, cyano, -SF5, or phenyl substituted with one to cincom members of the group consisting of geno enhancer, C1-C6 alkyl, C1-C6 haloalkyl, C1-C6 alkoxy, C1-C6 haloalkoxy, R7S (O) n -nitro, cyano and -SF5, which can be the same or different; R7 is C1-C6 alkyl or C1-C6 haloalkyl; and n is 0, 1 or 2; which comprises cycling an compound of formula II, wherein W, R2, R3, R5 and R6 are as defined above. A compound having formula II; in which W, R2, R3, R5 and R6 are as defined above. A process for the preparation of a compound of formula II as defined in claim 4, said process comprising oxidizing an compound having formula III, wherein W, R2, R3, R5 and R6 are as defined above using a oxidizing A compound having the formula III in which W, R2, R3, R5 and R6 are as defined above.