Patent · US Expired

N-substituted hydrazinophenylsulfonylureas, processes for their preparation and their use as herbicides and plant growth regulations

US5849666A · kind A · utility

6Cited by

5References

5Claims

0Family size

Assignee

Hoechst Schering Agrevo GmbH · DE

Inventors

Heinz Kehne · Hofheim, DE
Lothar Willms · Hillscheid, DE
Klaus Bauer · Rodgau, DE
Hermann Bieringer · Eppstein, DE
Christopher Hugh Rosinger · Hofheim, DE

Key dates

Filing date	Nov 22, 1995
Grant date	Dec 15, 1998
Priority date	—
Expiry date	Nov 22, 2015

Classification

Technology area (CPC A)Human Necessities
CPC primaryA01N47/36
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

N-substituted hydrazinophenylsulfonylureas, processes for their preparation and their use as herbicides and plant growth regulators Compounds of the formula (I) or salts thereof ##STR1## in which R.sup.1 to R.sup.6, W, Q, X, Y and Z are defined as in formula (I) as claimed in claim 1, are suitable as herbicides and plant growth regulators. The compounds (I) are prepared by processes analogous to known processes (cf. claim 5), in some cases via novel intermediates of the formula (II) ##STR2##

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.