Process to prepare metalated olefins

Details Process to prepare metalated olefins Process to prepare metalated olefins

1979-12-17

1981-08-18

Mars, Howard T.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568 56, 568655, 564341, 564348, 564463, 564509, C07C 4118, C07C 4124

Patent

active

042848270

ABSTRACT:
Substituted ethanes (I) are reacted with an alkyl metal reagent to form isomeric metalated olefins (IIIA and IIIB) having a trans (IIIB) to cis (IIIA) ratio of greater than 70:30.

REFERENCES:
Taskiner et al., Tetrahedron 32, pp. 563-565, (1976).
Arens Rec. Trav. Chem. 74, pp. 271-276, (1955).
Hunig et al., Ber. 91, pp. 380-392, (1958).
Farma et al., Ca. 56 7115, (1962).

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