160855-30-1Relevant articles and documents
Diels-Alder Reaction of (S)-2-p-Tolylsulfinyl-2-cyclopentenone with Dane's Diene: an Efficient Approach to the Enantioselective Preparation of Perhydro-cyclopentaphenanthrenes
Alonso, Ines,Carretero, Juan C.,Ruano, Jose L. Garcia,Cabrejas, Luisa M. Martin,Lopez-Solera, Isabel,Raithby, Paul R.
, p. 9461 - 9464 (1994)
The reactions of (S)-2-p-tolylsulfinyl-2-cylopentenone with Dane's diene catalyzed by EtAlCl2 yields adducts easily desulfinylated into optically pure perhydro-cyclopentaphenanthrenes.The endo-(controlled by CO group) and regio- (controlled by the subs