Nonradical Light-Controlled Polymerization of Styrene and Vinyl Ethers Catalyzed by an Iridium–Palladium Photocatalyst,Organometallics

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Nonradical Light-Controlled Polymerization of Styrene and Vinyl Ethers Catalyzed by an Iridium–Palladium Photocatalyst
Organometallics ( IF 2.5 ) Pub Date : 2018-01-11 00:00:00 , DOI: 10.1021/acs.organomet.7b00783
Shinnosuke Kikuchi ₁ , Kazuma Saito ₂ , Munetaka Akita ₂ , Akiko Inagaki ₁

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A visible-light-sensitive Ir–Pd photocatalyst is effective for coordination copolymerization of styrene and vinyl ethers. The catalyst drastically accelerates styrene polymerization under visible light irradiation and allows sequence-controlled copolymerization of styrene and vinyl ethers by appropriate switching of the irradiation sequence. The reaction rates of the monomers under irradiated and nonirradiated conditions were compared. Mechanistic studies suggested that the reactions proceeded via a nonradical coordination–insertion mechanism.

中文翻译：

铱-钯光催化剂催化苯乙烯和乙烯基醚的非自由基光控聚合

可见光敏感的Ir-Pd光催化剂对于苯乙烯和乙烯基醚的配位共聚非常有效。该催化剂在可见光照射下极大地加速了苯乙烯的聚合反应，并通过适当地改变照射顺序使苯乙烯和乙烯基醚的顺序受控的共聚成为可能。比较了在辐照和未辐照条件下单体的反应速率。机理研究表明，反应是通过非自由基配合-插入机制进行的。

更新日期：2018-01-12

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