期刊
TETRAHEDRON LETTERS
卷 58, 期 9, 页码 835-838出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2017.01.038
关键词
Reductive ipso-radical cyclization; Spiro dihydroisoquinolinone; Five-membered alicyclic amino acid; N-(2-phenyl)benzoyl group; Photoinduced decarboxylation
A new radical cyclization has been developed for the one-step synthesis of spiro dihydroisoquinolinone derivatives from alicyclic amino acids bearing N-(2-phenyl)benzoyl groups through photoinduced electron transfer (PET)-promoted decarboxylation. Reductive ipso-radical cyclization onto a benzene ring by an alkyl radical is achieved under mild conditions for the first time, although the substrates are limited to five-membered aliphatic carboxylic acids bearing N-(2-phenyl)benzoyl groups. (C) 2017 Elsevier Ltd. All rights reserved.
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