Selective herbicidal benzylcarbamoylpyridine derivatives

Chemistry: fertilizers – Processes and products – Forms or conditioning

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71 94, 546316, 546276, 546291, C07D21382, C07D40106, A01N 4340, A01N 4364

Patent

active

045668990

ABSTRACT:
Compounds corresponding to the general formula (I) ##STR1## wherein R.sub.1 is halogen, optionally halogen-substituted alkyl (C.sub.1 -C.sub.6), alkoxy (C.sub.1 -C.sub.4); R.sub.2 and R.sub.3 are independently alkyl (C.sub.1 -C.sub.3), alkoxy (C.sub.1 -C.sub.4), alkoxyalkyl (C.sub.2 -C.sub.8); R.sub.4 is acyl, azidomethyl, alkoxycarbonylmethyl (C.sub.3 -C.sub.8), hydroxyalkyl (C.sub.2 -C.sub.5), halogenoalkyl (C.sub.2 -C.sub.5), alkyl (C.sub.1 -C.sub.4) optionally substituted by a heterocyclic radical, alkynyloxyalkyl (C.sub.4 -C.sub.8); and n is an integer of from 0 to 5 are useful herbicidally active compounds.

REFERENCES:
Hackh's Chemical Dictionary, Fourth Edition (1972), p. 16.
Streitwieser et al., "Introduction to Organic Chemistry" Macmillan (1976), pp. 1200, 1209.

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