Process for producing dienes

Details Process for producing dienes Process for producing dienes

1987-06-15

1989-10-03

Garvin, Patrick P.

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

Organic compounds

Amino nitrogen containing

564486, 585603, 585612, C07C 8729

Patent

active

048718742

ABSTRACT:
Alkadienes are produced by reacting alkenyltrialkylammonium halide in which the double bond is allylic or homoallylic relative to the nitrogen atom with a strong inorganic base under phase transfer conditions. In this reaction trialkylamine is eliminated from the quaternary ammonium halide thereby resulting in the concurrent formation of the alkadiene. Long chain (e.g., C.sub.6 -C.sub.20) conjugated alkadienes, can readily be prepared from the corresponding alkenes in good yields on an economical basis by a three-stage process involving:

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