Supramolecular Photocatalysis by Utilizing the Host-Guest Charge-Transfer Interaction: Visible-Light-Induced Generation of Triplet Anthracenes for [4+2] Cycloaddition Reactions

被引：30

作者：

Uchikura, Tatsuhiro ^{[1
,2
]}

Oshima, Mari ^{[1
]}

Kawasaki, Minami ^{[1
]}

Takahashi, Kohei ^{[1
]}

Iwasawa, Nobuharu ^{[1
]}

机构：

[1] Tokyo Inst Technol, Dept Chem, Meguro Ku, Tokyo 1528551, Japan

[2] Gakushuin Univ, Fac Sci, Dept Chem, Tokyo 1718588, Japan

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2020年 / 59卷 / 19期

基金：

日本学术振兴会;

关键词：

anthracene; charge-transfer interactions; photocatalysis; supramolecular catalysts; triplet excited state; DIELS-ALDER REACTIONS; ELECTRON-TRANSFER; CATION; PHOTOCYCLOADDITION; PHOTODIMERIZATION; ENERGY; DONOR; PHOTOCHEMISTRY; DIMERIZATION; EXCIPLEXES;

D O I：

10.1002/anie.201916732

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Supramolecular photocatalysis via charge-transfer excitation of a host-guest complex was developed by use of the macrocyclic boronic ester [2+2](BTH-F) containing highly electron-deficient difluorobenzothiadiazole moieties. In the presence of a catalytic amount of [2+2](BTH-F), the triplet excited state of anthracene was generated from the charge-transfer excited state of anthracene@[2+2](BTH-F) by visible-light irradiation, and cycloaddition of the excited anthracene with several dienes and alkenes proceeded in a [4+2] manner in high yields.

引用

页码：7403 / 7408

页数：6

共 14 条

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