Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... General procedures are provided for the preparation in satisfactory yields of hexamethyl-, hexaethyl- and 1,2-dibenzyl-1,1,2,2-tetramethyldisilane from the corresponding R 3 SiCl compounds with lithium metal in THF. ... Optimal conditions for the preparation of hexamethyldisilane ...