Intermediates for the preparation of phenylsulfonylurea herbicid

Details Intermediates for the preparation of phenylsulfonylurea herbicid Intermediates for the preparation of phenylsulfonylurea herbicid

1995-04-28

1998-03-03

Ford, John M.

Plant protecting and regulating compositions

Plant growth regulating compositions

Organic active compound containing

504215, 544321, 544333, 544238, 544295, 544296, 544323, 544324, 544331, 544332, 544122, 544123, C07D23964, C07D40112, A01N 4354

Patent

active

057234094

ABSTRACT:
The compounds of the formula (I) ##STR1## in which R.sup.1 -R.sup.4, W, X, Y and Z are as defined in claim 1 are suitable for controlling harmful plants in crops. Their preparation may employ the intermediates of the formulae II and III: ##STR2##

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
Langmuir, "Formation of Langmuir-Blodgett Films of a Fullerene", 1992, vol. 8, pp. 4-6.
Loev et al., J. Org. Chem., vol. 27 (1962) pp. 2177-2180.

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