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Cover Feature: Visible‐Light‐Induced Synthesis of 1,2,3,4‐Tetrahydroquinolines through Formal [4+2] Cycloaddition of Acyclic α,β‐Unsaturated Amides and Imides with N , N ‐Dialkylanilines (Chem. Eur. J. 16/2021)
Author(s) -
Itoh Kennosuke,
Nagao Shunichi,
Tokunaga Ken,
Hirayama Shigeto,
Karaki Fumika,
Mizuguchi Takaaki,
Nagai Kenichiro,
Sato Noriko,
Suzuki Mitsuaki,
Hashimoto Masashi,
Fujii Hideaki
Publication year - 2021
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.202100129
Subject(s) - cycloaddition , chemistry , cover (algebra) , thiourea , stereochemistry , organic chemistry , catalysis , mechanical engineering , engineering
Inspired by Greek mythology , Orion is shown in the cover image as a lion‐hearted hunter; he hits acyclic α,β‐unsaturated imides and N , N′ ‐dialkylanilines with the club to give 1,2,3,4‐tetrahydroquinolines (1,2,3,4‐THQs; the lion fur in the cover image). There are three stars in Orion′s Belt; i.e., ϵ Ori, ζ Ori, and δ Ori, which enhance his toughness. The trio applied to the novel iridium(III) complex photo‐sensitizer, the thiourea, and the azo compound, works cooperatively and powerfully to achieve the photochemical synthesis of structurally diverse 1,2,3,4‐THQs with excellent diastereoselectivity. More information can be found in the Full Paper by K. Itoh, H. Fujii, et al. on page 5171.