Issue 3, 2003
From the journal:

Organic & Biomolecular Chemistry

Preparation of a unique glucan with large intervals in molecular weight distribution. Controlled ring-opening polymerization of O-permethylcyclodextrin

Masato Suzuki*a  and  Tomofumi Shimazakia  

* Corresponding authors

a Department of Organic and Polymeric Materials, Graduate School of Science and Engineering, and International Research Center of Macromolecular Science, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo 152-8552, Japan
E-mail: msuzuki@polymer.titech.ac.jp
Fax: +81-3-5734-2888
Tel: +81-3-5734-3552

Abstract

O-Permethylated cyclodextrins (MeCDs) were found to be polymerizable with the initiator–activator system of HI–I2 or HI–ZnX2, undergoing ring-cleavage to give linear 1→4-glucan. Among several conditions investigated, HI–ZnCl2 in CH2Cl2 at 0 °C proved most effective to control this cationic ring-opening polymerization (CROP). The MALDI-TOF-MS spectrum revealed that the molecular weight distribution of the glucan obtained from γ-MeCD uniquely consisted of large, regular intervals, each of which were identical to the molecular weight of γ-MeCD (1634).

Graphical abstract: Preparation of a unique glucan with large intervals in molecular weight distribution. Controlled ring-opening polymerization of O-permethylcyclodextrin

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Article information

DOI
https://doi.org/10.1039/B210122J
Article type
Paper
Submitted
18 Oct 2002
Accepted
05 Dec 2002
First published
20 Jan 2003

Org. Biomol. Chem., 2003,1, 604-608

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Preparation of a unique glucan with large intervals in molecular weight distribution. Controlled ring-opening polymerization of O-permethylcyclodextrin

M. Suzuki and T. Shimazaki, Org. Biomol. Chem., 2003, 1, 604 DOI: 10.1039/B210122J

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