Halopropargyl acyl compound, compositions, microbicidal uses and processes of preparation

Abstract

Compounds of the formula ##STR1## wherein A is selected from the group consisting of (1) phenyl, (2) naphthyl, (3) phenyl substituted with one or more halo, cyano, (C.sub.1 -C.sub.4)alkyl, nitro, (C.sub.1 -C.sub.4)haloalkyl, and (C.sub.1 -C.sub.4)thioalkyl, (4) naphthyl substituted with one or more halo, cyano, (C.sub.1 -C.sub.4) alkyl, nitro, (C.sub.1 -C.sub.4)haloalkyl, and (C.sub.1 -C.sub.4)thioalkyl, (5) thiophene, (6) furan, (7) thiophene substituted with one or more substituents selected from halo and nitro, and (8) furan substituted with one or more substituents selected from halo and nitro; R is selected from the group consisting of hydrogen, (C.sub.1 -C.sub.4)alkyl and substituted or unsubstituted phenyl wherein the substituents are selected from one or more halo, cyano, (C.sub.1 -C.sub.4)alkyl, nitro, (C.sub.1 -C.sub.4) haloalkyl, and (C.sub.1 -C.sub.4)thioalkyl and R.sup.1 is selected from the group consisting of (C.sub.1 -C.sub.4) alkoxy; hydrogen; optionally substituted phenyl wherein the phenyl substituents are selected from the group consisting of halo, cyano, (C.sub.1 -C.sub.4)alkyl; nitro, (C.sub.1 -C.sub.4)haloalkyl, and (C.sub.1 -C.sub.4)thioalkyl; (C.sub.1 -C.sub.8) alkyl; and optionally substituted heterocycles wherein said heterocycles are selected from the group consisting of thiophene, furan, imidazole, and triazole, which are optionally substituted with (C.sub.1 -C.sub.3)alkyl, halo, and nitro; and X is selected from the group consisting of I and Br. the halopropargyl acyl hydrazone compounds of the invention are active microbicides and can be used to control microorganisms.

Dependencies are inferred from the claim text.