β-hydroxysulfoxides as chiral cyclic ketone equivalents: Enantioselective synthesis of polysubstituted cyclohexanones, cyclohexenones and cyclohexenediones
The β-hydroxysulfoxide moiety, after oxidation to sulfone, acts as a masked carbonyl group in a cyclic system, opening an easy access to differently substituted enantiomerically pure cyclic ketones by means of aluminium-mediated conjugate additions, stereoselective reductions and elimination by retrocondensation in basic medium.
Carreno, M. Carmen,Perez-Gonzalez, Manuel,Ribagorda, Maria,Somoza, Alvaro,Urbano, Antonio
p. 3052 - 3053
(2007/10/03)
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