Propionic acid esters and herbicidal use thereof

Details Propionic acid esters and herbicidal use thereof Propionic acid esters and herbicidal use thereof

1980-12-05

1982-05-11

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

560 23, 560 63, 71108, 71109, 71111, C07C 6976

Patent

active

043294880

ABSTRACT:
Propionic acid esters of the general formula ##STR1## wherein R.sub.1 is hydrogen, alkyl of from 1 to 6 carbon atoms or phenyl, R.sub.2 is alkyl of from 1 to 6 carbon atoms, alkenyl of from 2 to 6 carbon atoms, alkynyl of from 2 to 6 carbon atoms or phenyl, or R.sub.1 and R.sub.2 together with the carbon atom to which they are attached form a cycloalkane ring containing 4 to 10 carbon atoms which can be mono-, di- or trisubstituted with alkyl of from 1 to 3 carbon atoms, R.sub.3 represents a halogen, trifluoromethyl or nitro, and R.sub.4 and R.sub.5 each represent a hydrogen or halogen atom, processes for their manufacture, herbicidal compositions containing these compounds as the active ingredient and methods of use of the herbicidal compositions are disclosed.

REFERENCES:
patent: 3954442 (1976-05-01), Becker et al.
patent: 3989737 (1976-11-01), Sawaki
patent: 4033754 (1977-07-01), Sawaki
patent: 4070177 (1978-01-01), Nishiyama et al.
patent: 4175947 (1979-11-01), Koch et al.
patent: 4200587 (1980-04-01), Suchy
patent: 4227009 (1980-10-01), Koch et al.
patent: 4270948 (1981-06-01), Takahashi et al.

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