Efficient production of polyrotaxanes from α-cyclodextrin and poly(ethylene glycol)

被引：167

作者：

Araki, J

Zhao, CM

Kohzo, I

机构：

[1] Univ Tokyo, Dept Adv Mat Sci, Grad Sch Frontier Sci, Kashiwa, Chiba 2778562, Japan

[2] Japan Sci & Technol Corp, CREST, Tsukuba, Ibaraki 3058562, Japan

来源：

MACROMOLECULES | 2005年 / 38卷 / 17期

关键词：

D O I：

10.1021/ma050290+

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

An alternative synthetic route for polyrotaxanes from commercial dihydroxy- polyethylene glycol (PEG) is developed. This also includes the synthesis of PEG-carboxylic acid (PEG-COOH). The terminal carboxyl groups of PEG were capped with adamantanamine vis-BOP-mediated amination. The novel improvements result in high yield production of polyrotaxanes synthesis with a minimum of reagents, an easy, one-step, high-yield preparation of PEG-COOH of any molecular weight and high degree of modification. The results were compared with those polyrotaxanes that were prepared by previously reported manner, that is, binding of PEG diamino-terminated to adamantaneacetic acid with BOP.

引用

页码：7524 / 7527

页数：4

共 48 条

[11] Thermally induced localization of cyclodextrins in a polyrotaxane consisting of β-cyclodextrins and poly(ethylene glycol)-poly(propylene glycol) triblock copolymer [J].