Heterocyclic N-acylsulfonamides, and their use as herbicides or

Chemistry: fertilizers – Processes and products – Forms or conditioning

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71 90, 71 91, 544 82, 544122, 544123, 544229, 544319, 544327, 544333, 544334, 544335, A01N 4354, C07D23952, C07D40112, C07D40312

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050530720

ABSTRACT:
Compounds of the formula I or salts thereof ##STR1## where R.sup.1 is H or an aliphatic radical; R.sup.2 and R.sup.3 are H, alkyl or phenyl; W is O, S, NR.sup.4 or NOR.sup.4 ; X is CHR.sup.2, O or NR.sup.4 ; L is a (substituted) phenyl, naphthyl or monocyclic heteroaryl radical, A is a (substituted) pyrimidyl, triazinyl, triazolyl or bicyclic heteroaryl radical, and m and n are 0 or 1, have advantageously herbicidal or plant growth-regulating properties.

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