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Titanocene-Mediated Homolytic Opening of Epoxysilanes

✍ Scribed by Nicolas Puljic; Matthias Albert; Anne-Lise Dhimane; Louis Fensterbank; Emmanuel Lacôte; Max Malacria

Publisher
John Wiley and Sons
Year
2006
Tongue
German
Weight
119 KB
Volume
89
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

The titanocene(III) chloride mediated opening of silyloxiranes has been examined. Electron transfer from the metal leads to α‐silyl radicals with total regiocontrol. The radicals could be trapped by various olefins, and the corresponding adducts were obtained in good yields (Table). Further substitution of the oxirane by alkyl groups proved detrimental to the reactions, but ring opening remained essentially regioselective.

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