Acylated aminophenylsulfonylureas; preparation and use as herbic

Details Acylated aminophenylsulfonylureas; preparation and use as herbic Acylated aminophenylsulfonylureas; preparation and use as herbic

1994-06-30

1997-08-19

Ford, John M.

Plant protecting and regulating compositions

Plant growth regulating compositions

Organic active compound containing

504215, 544295, 544122, 544123, 544 82, 544321, 544323, 544324, 544331, 544332, C07D23969, A01N 4354

Patent

active

056588542

ABSTRACT:
Acylated aminophenylureas, preparation and use as herbicides and plant growth regulators
The compounds of the formula I or their salts ##STR1## in which G is a radical G1, G2 or G3 ##STR2## R.sup.1 is H or alkyl, R.sup.2 is COOH, CSOH or a derivative of the carboxyl or thiocarboxyl group, of 1 to 20 carbon atoms, or acyl of the type CO-R.degree. of 1-12 carbon atoms, or an imino, hydrazone or oxime derivative of the group CO-R.degree., and R.degree. , R.sup.3a, R.sup.4a, R.sup.3b, R.sup.4b, W, X, Y and Z are as defined in claim 1, are suitable as selective herbicides and plant growth regulators in crops.
The preparation is carried out in analogy to known processes (see claim 5) by way of intermediates, some of which are new, from the group consisting of benzene-sulfonamides (II), benzenesulfonyl isocyanates (IV) and benzesulfonyl chlorides (VI) and heterocyclically substituted carbamates (III), amines (V) and/or (thio)-isocyanates (XIX).

REFERENCES:
patent: 4632695 (1986-12-01), Schurter et al.
patent: 4664695 (1987-05-01), Schurter et al.
patent: 4892946 (1990-01-01), Levitt
patent: 4981509 (1991-01-01), Hillemann

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