Preparation of 2,5,7-trithiabicyclo[2.2.1]heptane from 1,2-bis-triisopropylsilanylsulfanyl alkenes.
2006
The chemical behavior of 1,2-bis-triisopropylsilanylsulfanyl alkenes 1 is relatively unexplored, and the weak sulfur−silicon bonds give rise to various transformations. Under acidic conditions (HCl) and in the presence of a Lewis acid at room temperature the bicyclic adduct 2 is obtained in good yield. The structure was confirmed by X-ray crystal analysis with R = benzyl.
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