Intramolecular Hydrogen Atom Transfer Hydroarylation of Alkenes toward δ-Lactams Using Cobalt-Photoredox Dual Catalysis

被引：20

作者：

Yamaguchi, Yuto ^{[1
]}

Seino, Yusuke ^{[1
]}

Suzuki, Akihiko ^{[1
]}

Kamei, Yuji ^{[1
,2
]}

Yoshino, Tatsuhiko ^{[1
,3
]}

Kojima, Masahiro ^{[1
]}

Matsunaga, Shigeki ^{[1
,3
]}

机构：

[1] Hokkaido Univ, Fac Pharmaceut Sci, Sapporo, Hokkaido 0600812, Japan

[2] Ecole Polytech Fed Lausanne, EPFL, Inst Chem Sci & Engn, CH-1015 Lausanne, Switzerland

[3] Hokkaido Univ, Global Stn Biosurfaces & Drug Discovery, Sapporo, Hokkaido 0600812, Japan

来源：

ORGANIC LETTERS | 2022年 / 24卷 / 12期

关键词：

ALDEHYDES; OLEFINS;

D O I：

10.1021/acs.orglett.2c00700

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Intramolecular hydroarylation of alkenes through hydrogen atom transfer (HAT) represents a robust method to prepare benzo-fused hetero-cycles. However, the reported methods have limitations in a variety of accessible cyclic scaffolds. Here we report a dual cobalt- and photoredox-catalyzed HAT hydroarylation of alkenes that is characterized by higher efficiency in the synthesis of a delta-lactam compared to established protocols. The proposed mechanism is supported by experiments and DFT calculations.

引用

页码：2441 / 2445

页数：5

共 11 条

[1] Dehydrogenative Silylation of Alkenes for the Synthesis of Substituted Allylsilanes by Photoredox, Hydrogen-Atom Transfer, and Cobalt Catalysis
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