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

548190, 548200, 260454, 548201, 548202, 260456R, 548206, 548213, 260456P, 548214, 548225, 260464, 548233, 548235, 260465D, 548236, 548243, 260465F, 548245, 548247, 260465G, 548248, 548337, 260465H, 548338, 548341, 260961, 548346, 548373, 546139, 548375, 548378, 546143, 549 49, 549 51, 546144, 549 57, 549 58, 546145, 549 61, 549 62, 546146, 549 70, 549 71, 546152, 549 74, 549 78, 546168, 549 80, 560 18, 546169, 560 21, 560 59, 546170, 560102, 560124, 546173, 564152, 564155, 546174, 564190, 546178, 568 27, 56

Patent

active

043281699

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 an alkylene oxide derivative 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, 1648 (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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