Photoaddition of aromatic ketones to some arylacetylenes; Formation of α,β‐unsaturated ketones and aldehydes
- 1 January 1973
- journal article
- research article
- Published by Wiley in Recueil des Travaux Chimiques des Pays-Bas
- Vol. 92 (8) , 845-854
- https://doi.org/10.1002/recl.19730920806
Abstract
Photoaddition of aromatic ketones to 1‐alkyl‐2‐phenylacetylenes RCCC6H5 (R = CH3, C2H5) generally affords, via an oxete derivative, α,β‐unsaturated ketones Ar2CC(C6H5)COR in good or moderate yield.With monosubstituted arylacetylenes Ar′CCH α,β‐unsaturated aldehydes Ar2CC(Ar′)CHO are formed.In the reactions with 9‐xanthenone partial dehydrocyclization of the adducts occurs.Keywords
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