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Stereoselective photo[4+2]cycloadditions of 2‐pyrone‐5‐carboxylates with maleimides in the solid state and in solution
Author(s) -
Obata Tom,
Shimo Tetsuro,
Suishu Takaaki,
Somekawa Kenichi
Publication year - 1998
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570350623
Subject(s) - chemistry , stereoselectivity , pyrone , solid state , cycloaddition , organic chemistry , catalysis
Solid state photoreactions and thermal reactions of 2‐pyrone‐5‐carboxylates with maleimides gave endo‐[4+2]cycloadducts, while the sensitized photoreactions gave exo‐[4+2]cycloadducts stereo‐selectively.
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