CPC C12P 17/12 (2013.01) [C07D 213/803 (2013.01); C08G 63/6856 (2013.01); C08G 63/78 (2013.01); C12N 9/0069 (2013.01); C12P 7/42 (2013.01); C12P 7/44 (2013.01); C12P 7/50 (2013.01); C12Y 113/11 (2013.01)] | 15 Claims |
1. A method comprising combining:
(a) at least one pyridinedicarboxylic acid (PDCA) or a mono- or diester of pyridinedicarboxylic acid;
(b) at least one diol; and
(c) optionally, at least one aliphatic dicarboxylic acid or a mono- or diester derivative thereof,
under conditions suitable for condensation, transesterification or polymerization to produce a copolymer comprising residues of (a), (b) and optionally (c), wherein:
the method is catalyzed by an organic acid, an inorganic acid or a metal;
the method comprises holding (a), (b) and optionally (c) at a temperature of about 60° C. to about 250° C.; and
the method comprises holding (a), (b) and optionally (c) at a pressure of about 1 mbar to about 500 mbar.
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