Process for producing sequential polyamino acid resin

Details Process for producing sequential polyamino acid resin Process for producing sequential polyamino acid resin

1984-10-15

1985-06-25

Smith, Edward J.

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

Synthetic resins

From carboxylic acid or derivative thereof

528315, 528322, 528328, C08G 6908, C08G 7310, C08G 6910

Patent

active

045255768

ABSTRACT:
A sequential polyamino acid resin having a remarkably high molecular weight and special amino acid sequence as repeating unit in the resin can be produced by conducting polycondensation of a dipeptide active ester acid salt in an aprotic polar solvent in the presence of a tertiary amine and phosphorus pentoxide.

REFERENCES:
patent: 2671772 (1954-03-01), MacDonald et al.
patent: 2871225 (1959-01-01), Bortnick
patent: 3474083 (1969-10-01), Shiga et al.
patent: 4125519 (1978-11-01), Goodman et al.

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