Sulfur-containing alkanecarboxylic acid derivatives with herbicidal and plant growth-regulating action, production thereof and method of use

摘要

The sulfur-containing alkanecarboxylic acids of the formula <IMAGE> possess herbicidal and plant growth-regulating properties. In this formula, A is the cyano group, the carboxyl group, a carboxylic acid salt or a carboxylic acid ester, thioester, or carboxamide radical, n is O, 1 or 2, Q is a substituted phenyl or pyrid-2-yl radical, R3 is a halogen atom, cyano, or nitro group, R4 is C1-C6alkyl, C2-C6alkenyl or C2-C6alkynyl, phenyl or benzyl, C2-C6alkoxyalkyl or C3-C12cycloalkyl.