摘要
The polymerization of γ-stearyl-L-glutamate -N-carboxyanhydride (SLGNCA) initiated by tetra(4\|aminophenyl) porphyrin(TAPP) and bi(4\|aminophenyl) porphyrin(BAPP) was investigated. The experimental results indicated that TAPP and BAPP can initiate the ring\|opening polymerization of SLGNCA. The initiators have high activity and the products have high molecular weight while SLGNCA/TAPP is 50 and SLGNCA/BAPP is 25. The polymers were characterized by IR,UV,FR,\+1H\|NMR and GPC/fluorescence technigues.It was proved that porphyrin linked covalently to the polymer chains and the products with porphyrin displayed an α-helical conformation. It is supposed that the polymer with BAPP (PSLG/BAPP)may present as monomolecular and bimolecular aggregation in THF and as monomolecular in CHCl 3.
The polymerization of γ-stearyl-L-glutamate -N-carboxyanhydride (SLGNCA) initiated by tetra(4\|aminophenyl) porphyrin(TAPP) and bi(4\|aminophenyl) porphyrin(BAPP) was investigated. The experimental results indicated that TAPP and BAPP can initiate the ring\|opening polymerization of SLGNCA. The initiators have high activity and the products have high molecular weight while SLGNCA/TAPP is 50 and SLGNCA/BAPP is 25. The polymers were characterized by IR,UV,FR,\+1H\|NMR and GPC/fluorescence technigues.It was proved that porphyrin linked covalently to the polymer chains and the products with porphyrin displayed an α-helical conformation. It is supposed that the polymer with BAPP (PSLG/BAPP)may present as monomolecular and bimolecular aggregation in THF and as monomolecular in CHCl 3.
出处
《高分子学报》
SCIE
CAS
CSCD
北大核心
2000年第3期368-371,共4页
Acta Polymerica Sinica
基金
国家自然科学基金资助项目!(基金号 2 95 0 40 2 9)
关键词
聚肽
卟啉
开环聚合
引发剂
结构表征
Polypeptides, Porphyrin, Ring-opening polymerization
