Substituted 5-aminopyrazoles

Details Substituted 5-aminopyrazoles Substituted 5-aminopyrazoles

C - Chemistry, Metallurgy

07

D

260/315.3, 71/8.

C07D 231/38 (2006.01) A01N 43/56 (2006.01)

Patent

CA 1242207

ABSTRACT A 5-aminopyrazole of the formula (II-I) Image (II-I) in which R1a represents cyano, alkoxycarbonyl, alkenyloxycarbonyl, alkinyloxycarbonyl, alkylaminocarbonyl, alkenylaminocarbonyl or alkinylaminocarbonyl and R3, R4, R5, R6 and R7 which are identical or different, represent hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkyl- sulphonyl, alkoxycarbonyl or a radical -(X)n-R8 wherein X represents oxygen, sulphur, sulphinyl or sulphonyl, n represents 0 or 1, R8 represents halogenoalkyl with the proviso that at least one of the radicals R3, R4, R5, R6 or R7 represents a radical -(X)n-R8, but R1a does not re- present cyano if R5 represents trifluoromethyl or with the proviso that if R1a represents cyano or alkylaminocarbonyl at least one of the radicals R3, R4, R5, R6, R7 represents -X-R8, and X does not represent oxygen if R8 represents trifluoromethyl. These compounds are useful as intermediates in the preparation of herbicidally active novel 5-acylamino-1-phenylpyrazoles.

542558

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