Herbicidal compositions of bipyridylium quaternary salts and eme

Details Herbicidal compositions of bipyridylium quaternary salts and eme Herbicidal compositions of bipyridylium quaternary salts and eme

1976-08-23

1977-09-06

Brust, Joseph Paul

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 90, 71 93, 71100, 71111, 71118, 71119, A01N 922

Patent

active

040465527

ABSTRACT:
A herbicidal composition of reduced health hazard comprising a salt of a herbicidal bipyridylium quaternary cation and an effectively emetic amount of a s-triazolo [1,5-a] pyrimidine derivative of the formula: ##STR1## wherein R.sup.1 is hydrogen, a C.sub.1-4 alkyl radical, or a COOEt radical; R.sup.2 is a C.sub.1-4 alkyl radical or an allyl radical, and R.sup.3 is a C.sub.1-4 alkyl radical; or an addition salt thereof.

REFERENCES:
patent: 3689488 (1972-09-01), Dukes
patent: 3920443 (1975-11-01), Drewe et al.
Davies, et al., Nature New Biology, vol. 234, pp. 50-51 (11-10-71).

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