Process for the preparation of vinylcyclopropane derivatives

Details Process for the preparation of vinylcyclopropane derivatives Process for the preparation of vinylcyclopropane derivatives

1980-10-27

1982-05-04

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

546286, 546290, 560 18, 546314, 546330, 560 21, 546340, 546342, 560 59, 546350, 548182, 560102, 548190, 548200, 560124, 548201, 548202, 564152, 548206, 548213, 564155, 548214, 260454, 564190, 260456R, 260456P, 568 14, 260464, 260465D, 568 27, 260465F, 260465G, 568 28, 260465H, 260961, 568 31, 2603306, 546139, 568 33, 546143, 546144, 568 34, 546145, 548455, 568 58, 548467, 548469, 568 67, 548524, 548525, 568631, 548560, 549471, 568635, 549472, 549473, 568924, 548518, 549493, 568928, 549498, 549499, 568939, 5

Patent

active

043281680

ABSTRACT:
This invention provides a convenient and commercially adaptable process for the preparation of vinylcyclopropane derivatives in high yield. For the process an alkylating agent and activated methylene compound are reacted in the presence of a cyclic polyether compound and alkali metal compound. Water can also be present and/or the reaction may be carried out in an inert organic diluent.

REFERENCES:
patent: 3974199 (1976-08-01), Plonka et al.
Skinner et al., J. Am. Chem. Soc., 72, 1948 (1950).
Kierstead et al., J. Chem. Soc., 1952, 3610-3621.
Kierstead et al., J. Chem. Soc., 1953, 1799.
Murdock et al., J. Org. Chem., 27, 2395 (1962).
Birch et al., J. Org. Chem., 23, 1390 (1958).
Schmid et al., J. Org. Chem., 32, 254 (1967).
Stewart et al, J. Org. Chem., 34, 8 (1969).

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