Passerini Multicomponent Reactions Enabling Self-Reporting Photosensitive Tetrazole Polymers,ACS Macro Letters

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Passerini Multicomponent Reactions Enabling Self-Reporting Photosensitive Tetrazole Polymers
ACS Macro Letters ( IF 5.1 ) Pub Date : 2021-09-03 , DOI: 10.1021/acsmacrolett.1c00280
Christina M Geiselhart _{1,

2} , Hatice Mutlu _{1,

2} , Christopher Barner-Kowollik _{2,

3,

4}

Affiliation

We introduce the synthesis of photosensitive tetrazole monomers via Passerini multicomponent reactions (MCRs). We exploit the MCR’s tolerance toward various functional groups under mild, catalyst-free conditions in a one-pot reaction setup to generate tetrazole-containing monomers featuring a methacrylic moiety, which enables their subsequent reversible addition–fragmentation chain transfer (RAFT) polymerization. By employing tetrazoles with either a 4-methoxy phenyl or a pyrene substituent, further modifications of the polymers in a wavelength-orthogonal, self-reporting fashion upon irradiation with either UV or visible light become possible.

中文翻译：

Passerini 多组分反应使自报告光敏四唑聚合物成为可能

我们介绍了通过 Passerini 多组分反应 (MCR) 合成光敏四唑单体。我们利用 MCR 在温和、无催化剂条件下在一锅反应装置中对各种官能团的耐受性，以生成具有甲基丙烯酸部分的含四唑单体，这使得它们随后的可逆加成-断裂链转移 (RAFT) 聚合成为可能。通过使用具有 4-甲氧基苯基或芘取代基的四唑，可以在用紫外线或可见光照射时以波长正交、自我报告的方式对聚合物进行进一步改性。

更新日期：2021-09-21

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