期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 61, 期 41, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202211713
关键词
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资金
- National Natural Science Foundation of China [52103016, 51873233]
- Innovation Group of National Ethnic Affairs Commission of China [MZR20006]
- South-Central Minzu University [YZZ19002]
- KAUST
An efficient one-pot strategy for the structure-controlled synthesis of hyperbranched polymers (HBPs) has been developed. By using a latent inimer and regulating the temperature or stereochemistry, the release of maleimide (MI) and subsequent copolymerization can be controlled, leading to the synthesis of HBPs with various degrees of branching.
An efficient one-pot strategy for the structure-controlled synthesis of hyperbranched polymers (HBPs) based on a latent inimer (LI-Br), containing a furan-protected maleimide monomer and a haloalkane initiator, is presented. At high temperatures, the latent inimer is converted to a real inimer after releasing maleimide (MI) via a retro-Diels-Alder (r-DA) reaction and then copolymerized with methyl methacrylate by self-condensing vinyl copolymerization. Due to the dynamic characteristic of the r-DA reaction, the release of naked MI and the subsequent copolymerization can be regulated by the temperature or stereochemistry of Diels-Alder (DA) adducts. Thus, the one-pot structure-controlled synthesis of HBPs with various degrees of branching was achieved. By further implementation of a programmable temperature change, some valuable hyperbranched topologies such as star-shaped and long-chain hyperbranched polymers can be constructed avoiding sophisticated synthetic routes.
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