Preparation of polyamide in the presence of aryl phosphoryl azid

Details Preparation of polyamide in the presence of aryl phosphoryl azid Preparation of polyamide in the presence of aryl phosphoryl azid

1988-11-09

1990-11-13

Anderson, Harold D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528313, C08G 6928

Patent

active

049702912

ABSTRACT:
A process for preparing polyamides which comprises condensing an aromatic or aliphatic diamine and an aromatic or aliphatic diacid or an amino acid in the presence of one or more aryl phosphoryl azide compounds.

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patent: 3509107 (1970-04-01), Brignac
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patent: 3763113 (1973-10-01), Barrows et al.
patent: 4390667 (1983-06-01), Aharoni et al.
patent: 4417031 (1983-11-01), Aharoni et al.
patent: 4729939 (1988-03-01), Nishikawa et al.
U.S.P. 3,306,875, cols. 1-2, 35-36, Hay.
Nishi Noro et al. "Polymerization of Amino-Acids or Peptides with Diphenyl Phosphoryl Azide (DPPA)", Int. J. Biol. Macromol., vol. 2, p. 53, 1980.
Shiori, Takayuki, "Diphylphosphoryl Azide, A New Convenient Reagent for a Modified Curtius Reaction and for the Peptide Synthesis", J. of the American Chemical Society, vol. 94, p. 6203-6205, (1972).

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