Chemistry: fertilizers – Processes and products – Forms or conditioning
Patent
1977-01-06
1978-10-03
Hollrah, Glennon H.
Chemistry: fertilizers
Processes and products
Forms or conditioning
71 76, 544318, 544319, 544329, 544334, A01N 922
Patent
active
041182170
ABSTRACT:
Substituted pyrimidine compounds particularly useful as selective post-emergent herbicides are described for inhibiting the growth of and killing undesirable plants and weeds. The compounds hereof include 2,4-substituted pyrimidine-5-carboxylates having the general formula ##STR1## wherein X, Y and R represent specific types and classes of substituent groups. Especially preferred compounds in accordance with the invention include octyl 2,4-dichloropyrimidine-5-carboxylate, benzyl 2,4-dichloropyrimidine-5-carboxylate, allyl 2,4-dichloropyrimidine-5-carboxylate, ethyl 4-chloro-2-mercaptopyrimidine-5-carboxylate, butyl 2-chloro-4-di-n-propylaminopyrimidine-5-carboxylate. The compounds may be applied by conventional spray techniques at a dosage rate of from about 1/4 to 20 pounds per acre to good effect.
REFERENCES:
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patent: 3317542 (1967-05-01), Haszeldine et al.
patent: 3317549 (1967-05-01), Johnston
patent: 3637716 (1972-01-01), Bimber et al.
patent: 3836352 (1974-09-01), Phillips
patent: 3845055 (1974-10-01), Hoegerle et al.
patent: 3948914 (1976-04-01), Fischer
Hardin David P.
Oestreicher Stephen L.
Farmland Industries, Incorporated
Hollrah Glennon H.
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