Process for preparing 4-hydroxystyrene

Details Process for preparing 4-hydroxystyrene Process for preparing 4-hydroxystyrene

1994-12-19

1996-02-20

Lone, Werren B.

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

Organic compounds

Oxygen containing

568716, 568763, C07C 3906

Patent

active

054930626

ABSTRACT:
The present invention provides a unique and novel way of producing vinyl phenols such as p-vinyl phenol (4-hydroxystyrene--HSM). In this new process, p-.alpha.-aminoethylphenol (AEP) is heated under suitable deamination conditions of temperature and pressure and for a sufficient period of time to form the 4-hydroxystyrene (HSM).

REFERENCES:
patent: 4032513 (1977-06-01), Fujiwara et al.
patent: 5087772 (1992-02-01), Sheehan et al.
patent: 5241098 (1993-08-01), Kvakovszky et al.
patent: 5274174 (1993-12-01), Shah et al.

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