Reactivity of 1,1,2,2-tetraaryldsilanes as a radical reagent in ethanol was
studied in reduction of alkyl bromides, addition to olefins and alkylation
onto heteroaromatic bases with alkyl bromides. The present organodisilanes
showed moderate to good reactivities for these three types of radical reac
tions. Among some disilanes prepared, 1,1,2,2-tetraphenyldisilane is the mo
st useful in view of its reactivity and ease of preparation. (C) 1999 Elsev
ier Science Ltd. All rights reserved.