Pyrano-pyrazole derivatives

Details Pyrano-pyrazole derivatives Pyrano-pyrazole derivatives

C - Chemistry, Metallurgy

07

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167/10.2, 260/29

C07D 491/153 (2006.01) A01N 43/90 (2006.01) C07C 45/71 (2006.01) C07D 491/14 (2006.01) C07D 495/14 (2006.01)

Patent

CA 1203240

Pyrano-pyrazole derivatives ABSTRACT OF THE DISCLOSURE Pyrano-pyrazole derivative of the formula Image in which R1 represents hydrogen, alkyl, alkanoyl, alkoxy- carbonyl, optionally substituted phenyl or optionally substituted phenylalkyl, R2 and R3 can be identical or different and represent hydrogen, alkyl or optionally substi- tuted phenyl, R4 represents cyano, alkyl, alkoxycarbonyl or optionally substituted phenyl, Y represents oxygen, sulphur or the methylene group, X represents halogen, alkyl, alkoxy, alkylthio, halogenoalkyl, dialkylamino, nitro or cyano and n represents a number from 0 to 3, which possess fungicidal activity.

441912

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