Abstract The reaction of various organosilicon hydrides including hydropolysilanes with methyl diazoacetate in the preence of copper catalyst gave α-silyl-and polysilyl-esters in 44– 90% yields. The relative reactivities of a series of m-and p-substituted phenyldimethylsilane towards the active species generatedfrom the diazoacetate correlate well with the Hammett σ constants for the ring substituents, with a ϱ value of− 0.26 and a correlation coefficient of ...
