Cyclopropanation of olefins

Details Cyclopropanation of olefins Cyclopropanation of olefins

1982-09-20

1984-09-18

Harris-Smith, Y.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

560124, 585358, C09F 508

Patent

active

044723130

ABSTRACT:
The invention provides a method of converting ethylenically unsaturated units of an olefinic substrate to corresponding cyclopropanyl units, comprising treating the olefinic substrate, in an ether medium, with zinc and diiodomethane and a catalytic amount of a metallo-hydride reducing agent. Preferred substrates are olefinic fatty acids or their functional derivatives, e.g. oleic acid esters.

REFERENCES:
patent: 3074984 (1963-01-01), Simmons, Jr.
patent: 3211561 (1965-10-01), Gearhart et al.
patent: 3766218 (1973-10-01), Ueda et al.
patent: 3847944 (1974-11-01), Ohno et al.
patent: 3957849 (1976-05-01), Henrick et al.
patent: 3979424 (1976-09-01), Searle et al.
patent: 3997586 (1976-12-01), Martel et al.

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