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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 1, Number 3
BKCSDE 1(3)
March 20, 1980

Title	Sequential Copolypeptides (Ⅲ). Synthesis and Characterization of Poly (γ-benzyl-L-glutamyl-γ-benzyl-L-glutamyl-glycine)
Author	Dong Choo Lee, Ki Chang Lee
Keywords
Abstract	A sequential copolypeptide with repeating unit sequences, in which a glycyl residue is flanked progressively by two γ-benzyl-L-glutamyl residues, has been synthesized by poymerizing p-nitrophenyl ester of γ-benzyl-L-glutamyl-γ -benzyl-L-gutamyl-glycine. Polymers obtained were characterized by viscosity and infra-red spectral data. The highest molecular weight obtained was 21,000. Molecular conformation in solid state was found to be a mixed form of and \|β-structure. Polymers obtained were insoluble in the most of the organic solvents except in a strong acid like dichloroacetic acid, but in binary mixtures of solvents such as dichloroacetic acid-ethylene dichloride or dichloroacetic acid-chloroform, they were soluble within certain ranges of solvent compositions.
Page	78 - 82
Full Text	PDF

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