期刊
SCIENCE
卷 347, 期 6222, 页码 646-651出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.aaa4249
关键词
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资金
- [25000005]
- [25888024]
- Grants-in-Aid for Scientific Research [15H01087, 25000005, 15H03779, 15H05487, 25888024, 15J10660, 15K13642] Funding Source: KAKEN
Over the past decade, major progress in supramolecular polymerization has had a substantial effect on the design of functional soft materials. However, despite recent advances, most studies are still based on a preconceived notion that supramolecular polymerization follows a step-growth mechanism, which precludes control over chain length, sequence, and stereochemical structure. Here we report the realization of chain-growth polymerization by designing metastable monomers with a shape-promoted intramolecular hydrogen-bonding network. The monomers are conformationally restricted from spontaneous polymerization at ambient temperatures but begin to polymerize with characteristics typical of a living mechanism upon mixing with tailored initiators. The chain growth occurs stereoselectively and therefore enables optical resolution of a racemic monomer.
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