Synthesis of .alpha., .omega.-bis(p-hydroxybenzoyloxy) alkane

Details Synthesis of .alpha., .omega.-bis(p-hydroxybenzoyloxy) alkane Synthesis of .alpha., .omega.-bis(p-hydroxybenzoyloxy) alkane

1993-08-26

1995-06-20

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

C07C 6988

Patent

active

054262127

ABSTRACT:
The reaction of methyl p-hydroxybenzoate and a .alpha.,.omega.-alkanediol, in the presence of a transesterification catalyst, such as a metal alkoxide and/or metal acetate, can be used to synthesize an .alpha.,.omega.-bis(p-hydroxybenzoyloxy)alkane monomer.

REFERENCES:
patent: 4536593 (1985-08-01), Orban
patent: 4594444 (1986-06-01), Orban
patent: 4716244 (1987-12-01), Orban
Chemical Abstracts, vol. 87 (1977) 134692g.
Pp. 38 and 39 of European Patent Publication No. 450,652 (Oct. 9, 1991).
Chemical Abstracts, vol. 80 (1973) 96401g.
Kobunshi Kagaku, 30(9) 572-578 (1973).
C. Ober et al., "Liquid Crystal Polymers. V. Thermotropic Polyesters with Either Dyad or Triad Aromatic Ester Mesogenic Units and Flexible Polymethylene Spaces in the Main Chain", Polymer Journal, vol. 14, No. 1, pp. 9-17 (1982).

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