Novel substituted benzo-2-thia-1,3-diazin-4(3H)-one-2,2-dioxides

Details Novel substituted benzo-2-thia-1,3-diazin-4(3H)-one-2,2-dioxides Novel substituted benzo-2-thia-1,3-diazin-4(3H)-one-2,2-dioxides

1981-11-19

1983-08-30

Fan, Jane T.

Chemistry: fertilizers

Processes and products

Forms or conditioning

544 11, C07D28516, A01N 914

Patent

active

044014589

ABSTRACT:
The benzo-2-thia-1,3-diazin-4(3H)-one-2,2-dioxides of the formula I ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.6 -alkyl or C.sub.3 -C.sub.6 -cycloalkyl, R.sub.2 is cyclopentyl which is unsubstituted or substituted by halogen or cyano, or it is C.sub.1 -C.sub.6 -alkyl which is substituted by cyano, hydroxyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -alkoxycarbonyl or C.sub.1 -C.sub.4 -alkylcarbonyloxy, R.sub.3 is halogen, cyano, nitro, trifluoromethyl, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy, m is a number 1 or 2, and n is a number 0, 1 or 2, have herbicidal and plant-growth-regulating activity. They are suitable for selectively combating weeds in cultivated crops, particularly in soya-bean crops, in the post-emergence process, and for promoting root growth.

REFERENCES:
patent: 4158559 (1979-06-01), Stubenranch et al.
patent: 4182623 (1980-01-01), Kloek
patent: 4298731 (1981-11-01), Hamprecht et al.

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