Chem. J. Chinese Universities ›› 2021, Vol. 42 ›› Issue (11): 3526.doi: 10.7503/cjcu20210370

• Article • Previous Articles     Next Articles

Synthesis of Crosslinked Micelles and Ring-like Colloids via a Cyclic Template with Multivalency

ZHANG Miao1,2, PENG Jinlei2, LIU Ying1, LIU Fangjun2, MA Wei2, WEI Hua1,2()   

  1. 1.Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study,Department of Pharmacy and Pharmacology,University of South China,Hengyang 421001,China
    2.State Key Laboratory of Applied Organic Chemistry,Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province,College of Chemistry and Chemical Engineering,Lanzhou University,Lanzhou 730000,China
  • Received:2021-05-31 Online:2021-11-10 Published:2021-11-10
  • Contact: WEI Hua E-mail:weih@usc.edu.cn
  • Supported by:
    Supportted by the National Natural Science Foundation of China(51473072);the Thousand Young Talent Program of China and the General Project of Human Provincial Education Department, China(19C1597)

Abstract:

The pendant hydroxyl groups of c-P(HEMA)50 were first decorated with ferrocene(Fc) by click coupling to afford c-P(HEMA-Fc)50, which was then used as a core template to direct the supramolecular comple-xation with β-cyclodextrin(β-CD) functionalized with both hydrophilic poly(ethylene glycol)(PEG) and lipoic acid(LA)(β-CD-PEG-LA) viaβ-CD/Fc host-guest inclusion complexation. The resulting supramolecular micelle formed by c-P(HEMA-Fc)50/β-CD-PEG-LA could be crosslinked via dithiothreitol(DTT)-catalyzed intramolecular self-crosslinking of the decorated LA units to serve as a precursor of the ring-like colloids of crosslinked β-CD-PEG-LA. The advantage of this cyclic polymer over the previously used three-arm star-shaped polymer as a template lies in the multivalent structure of the cyclic polymer with greater stability and steric hindrance, which results in a significantly increased preparation concentration of 1.0 mg/mL for the ring-like colloids.

Key words: Crosslinked micelle, Ring-like colloid, Multivalent cyclic template

CLC Number: 

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