Process for manufacturing alkenyl compounds

Details Process for manufacturing alkenyl compounds Process for manufacturing alkenyl compounds

1995-07-14

1998-08-04

Caldarola, Glenn

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

585435, 585446, 585438, 585467, 585802, C07C 264, C07C 509, C07C 1546, C07C 700

Patent

active

057896399

ABSTRACT:
A process for manufacturing an alkenyl compound which comprises reacting an alkylbenzene and 1,3-butadiene in the presence of metallic sodium or a combination of metallic sodium and an oxide, a hydroxide, or a salt of potassium, rubidium or an alkaline earth metal, or a mixture of these under a pressure of 1 kPa (gauge) to 30 MPa (gauge). The process can produce alkenyl compound which is an industrially valuable compound as a raw material for the manufacture of naphthalenedicarboxylic acid, a highly useful raw material of polymers, at a high yield using a small amount of metallic sodium.

REFERENCES:
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patent: 3954895 (1976-05-01), Shima et al.
patent: 3954896 (1976-05-01), Shima et al.
patent: 4018840 (1977-04-01), Iwata et al.
patent: 5329058 (1994-07-01), Shimada et al.
patent: 5523504 (1996-06-01), Itoh
patent: 5527977 (1996-06-01), Takagawa et al.

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