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Communication | Special issue | Vol 28, No. 2, 1989, pp.547-551
Published online, 1st January, 1970
DOI: 10.3987/COM-88-S19
An Efficient Stereoselective Synthesis of Z-2-(2-Methylene Cyclohexylidene)ethanol by the Photosensitized Oxygenation of 1-Vinylcyclohexene. A Model for Ring A of Calcitriol

Jacqueline Ficini,* Claude Barbara, and Ouathek Ouerfelli

*Laboratoire de Chimie Organique de Synthèse, UA 408, Université P. et M. Curie, 8, rue Cuvier 75005 Paris, France

Abstract

The reaction of singlet oxygen with the vinylcyclohexene leads to an endoperoxide which is a model for a possible route to ring A of calcitriol.