Contributions to the chemistry of halosilane adducts XVIII. On the nature of compounds of trimethylhalosilanes with 1,1,3,3-tetramethylguanidine and 2-trimethylsilyl-1,1,3,3-tetramethylguanidine: preparation and characterization of mono- and bis-(2-trimet

Article abstract of DOI:10.1016/S0022-328X(00)99385-9

1,1,3,3-Tetramethylguanidine (TMG) and 2-(trimethylsilyl)-1,1,3,3-tetramethyl-guanidine (TMSTMG) react with trimethylhalosilanes Me3SiHal in equimolar ratio with ionization of the Si-halogen bond to give the stable guanidinium salts <(Me2N)2CNHSiMe3>Hal (