Ethynyl-containing phthaloyl halides

Details Ethynyl-containing phthaloyl halides Ethynyl-containing phthaloyl halides

1985-12-10

1987-04-14

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

525421, 528345, C07C 6324, C07C 6330

Patent

active

046577084

ABSTRACT:
Aromatic monomers, each containing at least one o-ethynyl carboxylic acid halide subunit: ##STR1## wherein X is Cl or Br. These monomers can be reacted with amines to form aromatic polyamide resins which can be thermally treated to undergo intromolecular cyclization, without evolution of volatiles, into polyimidines.

REFERENCES:
patent: 3609160 (1971-09-01), Meyer et al.
patent: 4367329 (1983-01-01), Sankaran et al.

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