Phenyl isothiocyanate derivatives and their production

摘要

A compound of the formula: <IMAGE> wherein X is oxygen or sulfur; R1 is hydroxy, C1-C4 alkoxy, phenoxy, amino, C1-C4 alkylamino, C2-C8 dialkylamino, C6-C10 arylamino, tetrahydrofurfurylamino, morpholino or methylpiperazino, but when X is sulfur R1 must be amino, C1-C4 alkylamino, C2-C8 dialkylamino or morpholino; R2 is C1-C4 alkoxy or C2-C5 alkoxycarbonyl; R3 is hydrogen C1-C4 alkyl, C1-C4 alkoxy, C2-C8 dialkylamino or halogen and its salts being useful as agricultural fungicides are provided.