Method for preparing a salt of 4-hydroxystyrene and for preparin

Details Method for preparing a salt of 4-hydroxystyrene and for preparin Method for preparing a salt of 4-hydroxystyrene and for preparin

1992-09-03

1993-10-26

Dees, Jose G.

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

Organic compounds

Carbonate esters

568804, C07C 6996, C07C 3700

Patent

active

052568091

ABSTRACT:
4-Acetoxystyrene is reacted with a base in a solvent to form a salt of 4-hydroxystyrene via saponification. Alternatively, 4-hydroxystyrene is reacted with a base to form a salt of 4-hydroxystyrene. In the latter case, the 4-hydroxystyrene is prepared by the transesterification of 4-acetoxystyrene. Subsequently or simultaneously, the salt of 4-hydroxystyrene is reacted, preferably in situ. with di-tertiary-butyl-dicarbonate to form 4-tertiary-butoxycarbonyloxystyrene.

REFERENCES:
patent: 4491628 (1985-01-01), Ito et al.
patent: 5082965 (1992-01-01), Nader et al.
patent: 5087772 (1992-02-01), Sheehan
"Preparation of Cinylphenols and Isopropenylphenols", Corson et al., vol. 23, Apr. 1958, J. Org. Chem.
"Poly(p-tert-butoxycarbonyloxystyrene): A Convenient Precursor to p-Hydroxystyrene Resins", Frechet et al., Polymer, 1983, p. 995.

Affiliated with

Also associated with

Rating

Method for preparing a salt of 4-hydroxystyrene and for preparin does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for preparing a salt of 4-hydroxystyrene and for preparin, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for preparing a salt of 4-hydroxystyrene and for preparin will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-960553