Crossed intermolecular [2+ 2] cycloadditions of acyclic enones via visible light photocatalysis

J Du, TP Yoon

Index: Du, Juana; Yoon, Tehshik P. Journal of the American Chemical Society, 2009 , vol. 131, # 41 p. 14604 - 14605

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Citation Number: 242

Abstract

Efficient [2+ 2] heterodimerizations of dissimilar acyclic enones can be accomplished upon visible light irradiation in the presence of a ruthenium (II) photocatalyst. Similar cycloadditions under standard UV photolysis conditions are inefficient and unselective. Nevertheless, a diverse range of unsymmetrical tri-and tetrasubstituted cyclobutane structures can be produced in good yields and excellent diastereoselectivities using this ...