Tin iv Oxide and Stannates

Kratkoc Soderzh, Dokl, 25th, 1972, 44 Chem. Abs., 1973,79, 60 936a). 

Goursat, D. Giraud, and M. Billy, Bull. Soc. chim. France, 1972, 3681. 

The liquid-phase reaction between hexamethyldisiloxane and TiCl at 25 C has been studied by n.m.r. The three equilibrium constants for the successive replacement of chlorine atoms by OSiMge groups  

(OSiMe3) i -H MejSiOSiMes TiCh-nCOSiMe ) + RCl decrease with increasing 10 8 and =0.11. Tris- 

The reaction of anhydrous copper(i) chloride with NaSiOMeg in THF yields tetrameric (CuOSiMea), for which the cage structure (37) is suggested. 

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