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Photochemistry of Syn‐ and Anti‐A8,9‐Dimethoxycarbonyl‐1,5‐Dipropyl‐3‐Oxatricyclo[3.2.2.0 2,4 ]Non‐8‐Ene‐6,7‐Dione
Author(s) -
Liao ChunChen,
Lin HoShen,
Tsai YowFu,
Ueng YihGang
Publication year - 1993
Publication title -
journal of the chinese chemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.329
H-Index - 45
eISSN - 2192-6549
pISSN - 0009-4536
DOI - 10.1002/jccs.199300079
Subject(s) - chemistry , ene reaction , photochemistry , medicinal chemistry , stereochemistry
In the photochemistry of the title compounds, the anti isomer 6 afforded oxepine 9 whereas the syn isomer yielded 9 and 10 ; the reactions proceeded partly via cyclobutanediones 12 and 13 . The distinct photochemical behavior are explained in terms of stereorelectronic effects of the epoxy rings.