Method for preparing polysalicylates

Details Method for preparing polysalicylates Method for preparing polysalicylates

1988-02-18

1989-08-08

Gray, Bruce

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

Organic compounds

Carboxylic acid esters

C07C 6976

Patent

active

048554839

ABSTRACT:
Polysalicylates are prepared according to the present invention by the reaction of salicylic acid with a carboxylic acid derivative such as acetic anhydride or acetyl chloride. The reaction is carried out under conditions which yield greater than about 90% by weight linear polysalicylate product.

REFERENCES:
Dean et al., J.C.S. Perkin I, "Synthesis of cis-Disalicylide and of Flavones Containing a Chromeno [4,3-b]chromen Nucleus", pp. 2007-2010.
Baker et al., J. Chem. Soc., 1951, 201, "Eight- and Higher-membered Ring Compounds. Part II. Di-, Tri-, Tetra-, and Hexa-salicylides", pp. 201-208.
Saegusa et al., Polymer Bulletin 1,(1979), "Polymerization of Anhydro-Q-carboxysalicylic Acid", pp. 341-345.
Ogata et al., Synthetic High Polymers, vol. 81 (1974), "Synthesis of Polymers from m-Hydroxybenzoic Acid. 4'. Synthesis of Various Polymers From m-hydroxybenzoic Acid", p. 3 (Abstract from Chemical Abstracts).

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