Phenylhydrazine derivatives useful as intermediates in...

Details Phenylhydrazine derivatives useful as intermediates in... Phenylhydrazine derivatives useful as intermediates in...

C - Chemistry, Metallurgy

07

C

260/474.1, 260/5

C07C 255/66 (2006.01) C07C 323/63 (2006.01) C07F 9/40 (2006.01)

Patent

CA 1291152

ABSTRACT A phenylhydrazine derivative of the formula Image (IV) in which R4 and R6 independently of one another represent cyano, nitro, halogen, alkyl, alkoxy, alkoxycarbonyl, halogenoalkyl, halogenoalkoxy or a radical -S(O)n-R13, and R5, R7 and R8 independently of one another and of R4 and R6 represent the same radicals as R4 and R6 and additionally represent hydrogen, R13 represents alkyl, halogenoalkyl, amino, alkylamino or dialkylamino, and n represents an integer of 0, 1 or 2, and Z represents one of the radicals Image , Image and Image wherein R1 represents hydrogen, nitroso, nitro, halogen, alkyl, halogenoalkyl, aryl (optionally substituted by halogen, nitro, C1-C4-alkyl, C1-C4-alkoxy or C1-C4-halogenoalkyl), or one of the radicals -S(O)n-R9; -?-R10; Image or -?(OR11)2 and R9 represents hydrogen, hydroxyl, halogen, alkylamino, dialkylamino, alkyl, halogenoalkyl or aryl optionally substituted by halogen C1-C4-alkyl, C1-C4-alkoxy or C1-C4-halogenoalkoxy, R10 represents hydrogen, alkyl or aryl optionally substituted by halogen, C1-C4-alkyl, C1-C4-alkoxy or C1-C4-halogenoalkyl, R11 represents hydrogen, alkyl, halogenoalkyl, alkenyl, alkynyl or aralkyl, and n is as defined above, and Hal and Hal' represents identical or different halogen atoms. These compounds are useful as intermediates in the preparation of herbicidal 5 amino-1-phenyl-pyrazoles.

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