Dimethyldioxirane (1a) and its trifluoro analog (1b) were employed to achieve selectively the direct transformation of squalene 2,3(S)-oxide and of squalene 2,3(R)-oxide into the corresponding 2,3(S);22(S),23-dioxide and 2,3(R);22(R),23-dioxide, respectively. These transformations were found to occur with convenient regio- and diastereoselectivity, providing easy access to the valuable dioxides metabolites. The powerful methyl(trifluoromethyl)dioxirane (1b) is the reagent of choice to achieve optimum yields of the target compounds.

Direct Regio- and Stereoselective Synthesis of Squalene 2,3;22,23-Dioxide using Dioxiranes

D'ACCOLTI, Lucia;
2005

Abstract

Dimethyldioxirane (1a) and its trifluoro analog (1b) were employed to achieve selectively the direct transformation of squalene 2,3(S)-oxide and of squalene 2,3(R)-oxide into the corresponding 2,3(S);22(S),23-dioxide and 2,3(R);22(R),23-dioxide, respectively. These transformations were found to occur with convenient regio- and diastereoselectivity, providing easy access to the valuable dioxides metabolites. The powerful methyl(trifluoromethyl)dioxirane (1b) is the reagent of choice to achieve optimum yields of the target compounds.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11586/15338
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