PHOTOCHEMICAL GENERATION OF VINYLKETENES BY ELECTROCYCLIC OPENING OF CYCLOBUTENONES
4,4-Dichloro-2-cyclobutenones 1, available by cycloaddition of acetylenes to dichloroketene, can be photolyzed in the presence of olefins or dienes to produce regiospecifically 2-vinylcyclobutanones 3-11.The photochemical reaction succeeds even in some ca
Hassner, Alfred,Naidorf, Simha
p. 6389 - 6392
(2007/10/02)
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