Herbicidal sulfonomides

Details Herbicidal sulfonomides Herbicidal sulfonomides

1988-10-19

1990-05-29

Ford, John M.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 90, 71 91, 544 52, 544105, 544295, 540491, 540504, 540505, 540518, 540512, 540513, C07D40112, C07D40312, C07D41712, A01N 4354

Patent

active

049292692

ABSTRACT:
Compounds of the formula ##STR1## and salts thereof, W and W, being independently O and S, A being a nitrogen-containing heterocyclic ring system, E being O, S(O)m or NR.sub.3 where m is 0-2, R.sub.1, R.sub.2 and R.sub.3 is hydrogen, C.sub.1 -C.sub.4 alkyl or C.sub.2 -C.sub.4 alkenyl or alkynyl and E.sub.1 being hydrogen, halogen or one of a variety of organic substituents.
The compounds are effective herbicides.

REFERENCES:
patent: 4586950 (1986-05-01), Pasteris
patent: 4634465 (1987-01-01), Ehrenfreund et al.
patent: 4677212 (1987-06-01), Ehrenfreund et al.
patent: 4752322 (1988-06-01), Dumas et al.

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