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EnglishDimethyldioxirane (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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| Titolo: | Direct Regio- and Stereoselective Synthesis of Squalene 2,3;22,23-Dioxide using Dioxiranes |
| Autori: | |
| Data di pubblicazione: | 2005 |
| Rivista: | |
| 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. |
| Handle: | http://hdl.handle.net/11586/15338 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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