2-Acylaminothiazol-4-ylacetamides as post emergent selective her

Details 2-Acylaminothiazol-4-ylacetamides as post emergent selective her 2-Acylaminothiazol-4-ylacetamides as post emergent selective her

1979-08-23

1981-01-06

Rizzo, Nicholas S.

Chemistry: fertilizers

Processes and products

Forms or conditioning

548195, A01N 4378

Patent

active

042434076

ABSTRACT:
A class of amides disclosed to be useful as selective pre-emergent and post-emergent herbicides are those having the general structural formula ##STR1## in which R.sup.1 is hydrogen or methyl, R.sup.2 is ethyl, isopropyl, cyclopropyl, tert.butyl, methylamino, dimethylamino, ethylamino or methoxymethylamino, R.sup.3 is phenyl, 4-chlorophenyl, 3,4-dichlorophenyl, 4-methylphenyl or 4-methoxyphenyl, R.sup.4 is hydrogen or C.sub.1 to C.sub.3 lower alkyl, and R.sup.5 is hydrogen or methyl, with the further stipulation that either, but not both R.sup.4 and R.sup.5 may be hydrogen.

REFERENCES:
patent: 3547917 (1970-12-01), Kulka et al.
patent: 3823005 (1974-07-01), Doyleet al.
patent: 4120690 (1978-10-01), Cahoy
patent: 4152329 (1979-05-01), Cahoy

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