Pesticidal semicarbazide and biuret derivatives

Abstract

Abstract SEMICARBAZIDES, ESPECIALLY THE TETRAALKYLATED THIOSEMICARBAZIDES, AND BIURT DERIVATIVES, ESPECIALLY THE MONOAND DI-THIOBIURET DERIVATIVES, ARE EFFECTIVE FUNGICIDES, BACTRICIDES, AND HERBICIDES. EXEMPLARY OF PREFERRED SEMICARBAZIDES ARE THOSE OF THE GENERAL FORMULA R1-N(-R2)-C(=Y)-N(-X)-N(-R3)-R4 WHERE R1-R4 CAN BE UNSUBSTITUTED OR SUBSTITUTED HYDROCARBYL AND X CAN BE HYDROGEN, OR UNSUBSTITUTED HYDROSTITUTED HYDROCARBYL, AND Y CAN BE O OR S. EXEMPLARY OF PREFERRED BIURET DERIVATIVES AR THOSE OF THE GENERAL FORMULA R5-N(-R6)-C(=Y)-N(-N(-R9)-R10)-C(=Y)-N(-R7)-R8 WHERE R5-R10 CAN BE H, OR UNSUBSTITUTED OR SUBSTITUTED HYDROCARBYL; AND Y CAN BE O OR S. TYPICAL R1 TO R10 HYDROCARBYL GROUPS INCLUDE: (1) SATURATED OR UNSATURATED, ACYCLIC OR CYCLIC, ALIPHATICS SUCH AS, E.G., ETHYL, PROPARGYL, CYCLOHEXENYL, ETC; AND (2) AROMATIC OR HETERO-AROMATIC RADICALS SUCH AS PHENYL, PYRIDYL, ETC.

Inventors

• 👤 J Zielinski

Bibliographic Details