Novel process for the preparation of tetra-substituted cycloprop

Details Novel process for the preparation of tetra-substituted cycloprop Novel process for the preparation of tetra-substituted cycloprop

1981-03-23

1983-08-30

Brust, Joseph Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260465R, 560 11, 560117, 560118, 560124, 562500, 562499, 562506, C07C12146, C07C 6974, C07C 6104

Patent

active

044016018

ABSTRACT:
A process for the preparation of tetrasubstituted cyclopropane compounds of the formula ##STR1## wherein Y is selected from the group consisting of --CN and --COOR, R is selected from the group consisting of hydrogen and alkyl of 1 to 6 carbon atoms and R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are individually selected from alkyl of 1 to 4 carbon atoms or R.sub.1 and R.sub.2 or R.sub.3 and R.sub.4 together with the carbon atoms to which they are attached form a carbon homocycle of 3 to 6 carbon atoms with the 2 substituents not forming the ring being alkyl of 1 to 4 carbon atoms or R.sub.1 and R.sub.2 on the one hand and R.sub.3 and R.sub.4 on the other together with the carbon atom to which they are attached form a carbon homocycle of 3 to 6 carbon atoms which are useful intermediates for the preparation of insecticidal esters and novel intermediates.

REFERENCES:
patent: 3445499 (1969-05-01), Martel et al.
patent: 3567780 (1971-03-01), Martel et al.
patent: 3711555 (1973-01-01), Martel et al.
patent: 3786052 (1974-01-01), Martel et al.
Yanovskaya, et al., Russian Chemical Reviews, vol. 44, No. 2, (1975), pp. 154-169.

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