Plant growth regulating isothioureido isoindolediones

Details Plant growth regulating isothioureido isoindolediones Plant growth regulating isothioureido isoindolediones

C - Chemistry, Metallurgy

07

D

260/300, 260/243

C07D 209/48 (2006.01) A01N 47/42 (2006.01) C07D 317/66 (2006.01) C07D 403/12 (2006.01)

Patent

CA 1146547

ABSTRACT A novel class of compounds which are useful as plant growth regulators is disclosed, having the general structural formula: Image In which R is Cl to C4 alkyl, alkenyl or alkynyl to which may be attached phenyl, pyridyl, benzoyl, phenoxy, halo- phenoxy, halobenzoyl, N-phenylcarbamyl, N-alkylcarbamyl, N-trifluoromethylthiadiazolylcarbamyl, carboxy, carbalkoxy or halo substituents, R1 is H, C1 to C3 alkyl, alkenyl or alkynyl to which may be attached phenyl, halophenyl or phenoxy groups, acetyl or R and R1 together may be C2 to C4 alkylene, Ar is phenyl or benzoyl, R2 is C1 to C4 alkyl, alkoxy, alkylene, alkyl- amino or alkylthio, phenoxy, benzyloxy, carbalkoxy, acetyl, methylenedioxy, trifluoromethyl, nitro, halo or cyano and n may be zero or an integer from 1 to 4, with tho provision that at least one position ortho to the point of attachment of a phenyl ring of the Ar structure must be unsubstituted, R3 is lower alkyl or halo and n' may be zero or an integer from 1 to 4.

350314

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