Photoisomerization of bicyclo [3.1. 0] hexan-2-ones
WG Dauben, L Schutte, GW Shaffer…
Index: Dauben,W.G. et al. Journal of the American Chemical Society, 1973 , vol. 95, # 2 p. 468 - 471
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Citation Number: 13
Abstract
Abstract: The photoisomerization of alkyl-substituted bicyclo [3.1. O] hexan-2-ones has been studied. Using the n 6 A* excitation, two different isomerizations have been found: one route involves opening of the cyclopropane ring with hydrogen migration to give an unsaturated ketone, the other route a type I a cleavage independent of the cyclopropane ring. Opening of the cyclopropane ring as a primary photochemical reaction only occurred when the 3 ...
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