Phenylacetic acid derivatives

Details Phenylacetic acid derivatives Phenylacetic acid derivatives

1974-12-17

1976-07-20

Killos, Paul J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603405, C07C 4322

Patent

active

039707032

ABSTRACT:
A compound of the formula, ##SPC1##
Wherein R.sub.1 is a C.sub.1.sub.-6 alkyl, a C.sub.2.sub.-6 alkenyl, a C.sub.3.sub.-6 alkynyl, a C.sub.3.sub.-6 cycloalkyl, benzyl, thienyl or a group of ##SPC2##
(R.sub.4 is hydrogen, halogen, a C.sub.1.sub.-4 alkyl or methylenedioxy, and n is an integer of 1 to 5), R.sub.2 is a C.sub.1.sub.-6 alkyl, a C.sub.3.sub.-6 alkenyl or a C.sub.3.sub.-6 alkynyl, R.sub.3 is a C.sub.1.sub.-6 alkyl, a C.sub.3.sub.-6 alkenyl or a C.sub.3.sub.-6 alkynyl, (provided that R.sub.2 is a C.sub.3.sub.-6 alkynyl when R.sub.3 is a C.sub.1.sub.-6 alkyl), and A is a group of --COOR.sub.3 or --CH.sub.2 OR.sub.3, provided that R.sub.1 is a C.sub.1.sub.-6 alkyl, a C.sub.2.sub.-6 alkenyl, a C.sub.3.sub.-6 alkynyl, a C.sub.3.sub.-6 cycloalkyl or benzyl when A is a group of --CH.sub.2 OR.sub.3 (R.sub.3 is as defined above), and R.sub.3 is a C.sub.4.sub.-6 alkenyl or a C.sub.4.sub.-6 alkynyl when R.sub.1 is a group of ##SPC3##
(R.sub.4 and n are as defined above) and A is a group of --COOR.sub.3, which is useful as synergist for insecticides, especially for a cyclopropane-carboxylate or a carbamate type insecticide.

REFERENCES:
patent: 1931858 (1933-10-01), Baur
patent: 2487525 (1949-11-01), Copenhauer
patent: 3041319 (1962-06-01), Abramo

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