Z-12-heptadecen-1-yne

Details Z-12-heptadecen-1-yne Z-12-heptadecen-1-yne

1992-02-14

1992-11-10

Pal, Asok

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

Triple-bond product

C07C 1128

Patent

active

051625962

ABSTRACT:
Disclosed is a novel ene-yne compound Z-12-heptadecen-1-yne expressed by the structural formula CH.sub.3 (CH.sub.2).sub.3 CH.sup.(Z) =CH(CH.sub.2).sub.9 C=CH, which is useful as an intermediate in the synthetic preparation of several diene compounds having activity as a sex pheromone of the insects belonging to the lepidopteran order, such as E,Z-2,13-octadecadienyl acetate and E,Z-2,13-octadecadienal, having two double bonds at the 2- and 13-positions. The inventive compound can be synthesized by the reaction of 1-bromo-Z-10-pentadecene with sodium acetylide dispersed in an organic solvent in the presence of liquid ammonia.

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