4.5 Article

Facile one-step fabrication of DMAP-functionalized catalytic nanoreactors by polymerization-induced self-assembly in water

期刊

MOLECULAR CATALYSIS
卷 518, 期 -, 页码 -

出版社

ELSEVIER
DOI: 10.1016/j.mcat.2021.112073

关键词

Polymerization-induced self-assembly; Catalytic nanoreactor; Recoverable catalyst; Acylation

资金

  1. Natural Science Foundation of China [21302170, 51973197]
  2. Zhejiang Provincial Key Research and Development Program [2021C01076]
  3. Leading talents of the Zhejiang Provincial 10,000 Talents Plan for scientific and technological innovation [2020R52023]

向作者/读者索取更多资源

The study demonstrates the fabrication of highly efficient and recyclable micellar nanoreactors via self-assembly of catalyst-containing amphiphilic copolymers in water, using a one-step strategy of polymerization-induced self-assembly. The nanoreactors showed high catalytic activity and easy recyclability, making them promising for green organic transformations.
Fabrication of highly efficient and recyclable micellar nanoreactors for green organic transformation via selfassembly of catalyst-containing amphiphilic copolymers in water has made great progress. These methods commonly include synthesis and functionalized amphiphilic copolymers and then self-assembly. In this study, a straightforward, one-step strategy for the construction of DMAP-functionalized nanoreactors was developed via polymerization-induced self-assembly (PISA). Acrylate hydrophilic monomer and DMAP-functionalized monomer in the presence of hydrophilic macromolecular chain transfer reagent was polymerized through reversible addition-fragmentation chain transfer (RAFT) polymerization in situ in water, leading to simultaneous amphiphilic block copolymer formation and self-assembly. The diameters of the resulted micelles ranged from 20 to 100 nm depending on the type and amount of hydrophilic monomer, and solid content is up to 25%. The high catalytic activity of the micelles as homogeneous, also readily recyclable catalysts is demonstrated through acylation of a variety of alcohols and recovery by simple dialysis. The study offers an one-pot tandem RAFT-PISA process in water for fabricating highly efficient catalytic nanoreactor.

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