Amine Initiated Copolymerization of N-Carboxy-α-amino Acid Anhydrides 1
✍ Scribed by Shalitin, Yechiel; Katchalski, Ephraim
- Book ID
- 127001688
- Publisher
- American Chemical Society
- Year
- 1960
- Tongue
- English
- Weight
- 753 KB
- Volume
- 82
- Category
- Article
- ISSN
- 0002-7863
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📜 SIMILAR VOLUMES
The polymerization of -y-benzyl+glutamate NCA initiated by n-hexylamine in DMF proceeds with two successive propagation r a h whose ratio is about 1.5. The onset of the increase in rate of propagation occurred a t a DP, of 7-14, which waa independent of initiator to anhydride ratio and anhydride con
## Abstract Oligopeptides were synthesized in high yields by the controlled coupling reaction of __N__‐carboxy α‐amino acid anhydrides (NCA's) with amino acid and peptide sodium salts in the heterogeneous reaction medium of acetonitrile–water which contained sodium carbonate. In this solvent, it co