期刊
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
卷 47, 期 15, 页码 3940-3948出版社
WILEY
DOI: 10.1002/pola.23518
关键词
click chemistry; dendrimers; methyl acrylate; radical polymerization; SET-LRP
资金
- National Science Foundation [DMR-0548559, DMR-0520020]
- Roche, Inc
The development of a novel nucleophilic thio-bromo Click reaction, specifically base-mediated thioetherification of thioglycerol with alpha-bromoesters was reported in an earlier article. The combination of this thio-bromo click reaction with subsequent acylation with 2-bromopropionyl bromide provides an iterative two-step divergent growth approach to the synthesis of a new class of poly(thioglycerol-2-propionate) (PTP) dendrimers. In this article, the addition of a third step, the single-electron transfer living radical polymerization (SET-LRP) of methyl acrylate (MA), was shown to provides access to a three-step branch and grow divergent approach to dendritic macromolecules wherein poly(methyl acrylate) (PMA) connects the branching subunits. This facile methodology can provide a diversity of dendritic macromolecular topologies and will ultimately provide the means to the development of self-organizable dendritic macromolecules. (C) 2009 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 47: 3940-3948, 2009
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