Halogermanides and methods for the preparation thereof
View Patent ↗A trichlorogermanide of formula (I): [R 4 N]/[R 4 P]Cl[GeCl 3 ] (I), where R is Me, Et, iPr, nBu, or Ph, tris(trichlorosilyl)germanide of formula (II): [R 4 N]/[R 4 P][Ge(SiCl 3 ) 3 ] (II), where R is Me, Et, iPr, nBu, or Ph, a tris(trichlorosilyl)germanide adduct of GaCl 3 of formula (III): [Ph 4 P][Ge(SiCl 3 ) 3 *GaCl 3 ], and a tris(trichlorosilyl)germanide adduct of BBr 3 of formula (IV): [Ph 4 P][Ge(SiCl 3 ) 3 *BBr 3 ]. Also, methods for preparing the trichlorogermanides of formula (I), the tris(trichlorosilyl)germanide of formula (II), the tris(trichlorosilyl)germanide adduct of BBr 3 of formula (IV).
1. A trichlorogermanide of formula (I):
[R 4 P][GeCl 3 ] (I),
wherein R=Me, Et, iPr, nBu, or Ph.
2. The trichlorogermanide of claim 1 , wherein, in formula (I), R is Me.
3. The trichlorogermanide of claim 1 , wherein, in formula (I), R is Et.
4. The trichlorogermanide of claim 1 , wherein, in fort a (I), R is iPr.
5. The trichlorogermanide of claim 1 , wherein, in formula (I), R is nBu.
6. The trichlorogermanide of claim 1 , wherein, in formula (I), R is Ph.
7. A method for preparing the trichlorogermanide of formula according to claim 1 , the method comprising:
dissolving GeCl 4 with hexachlorodisilane in a solvent; and
reacting in the presence of a stoichiometric amount of [R 4 P]Cl at a temperature of 5 to 40° C.