- by salt
metathesis reactions. A very
bulky siloxide is tert-butyl3SiO−,
sometimes called silox.
Siloxides are
weaker net
donors than
alkoxides because...
- 3SiOH. They are
about 500x more
acidic than the
corresponding alcohols.
Siloxides are the
deprotonated derivatives of silanols: R 3SiOH + NaOH → R 3SiONa...
-
conjugate base is
called a
siloxide or a silanolate.
Despite the
disparity in acidity, the
basicities of
alkoxides and
siloxides are similar.
Silanols condense...
-
trimethylsiloxide Lerner, Hans-Wolfram; Scholz, Stefan; Bolte,
Michael "The
Sodium Siloxides (tBu3SiONa)4 and (tBu2PhSiONa)4:
Synthesis and X-ray
Crystal Structure...
- SiO2 + 6 CO2 + 9 H2O
Strong base
degrades siloxane group,
often affording siloxide salts: ((CH3)3Si)2O + 2 NaOH → 2 (CH3)3SiONa + H2O This
reaction proceeds...
- L.; Mazzanti, M. (2020). "Stabilization of the
Oxidation State + IV in
Siloxide-Supported
Terbium Compounds".
Angewandte Chemie International Edition....
-
silyl esters, respectively. It
reacts with rhenium(VII)
oxide to give a
siloxide: Re2O7 + O[Si(CH3)3]2 → 2 O3ReOSi(CH3)3
HMDSO is used as an
internal standard...
- L.; Mazzanti, M. (2020). "Stabilization of the
Oxidation State +IV in
Siloxide-Supported
Terbium Compounds" (PDF).
Angewandte Chemie International Edition...
- (9): 489–490. doi:10.1002/aoc.684. Krempner,
Clemens (2011). "Role of
Siloxides in
Transition Metal Chemistry and
Homogeneous Catalysis".
European Journal...
- or NR2 groups. NPR3− is
isoelectronic with
phosphine oxides (OPR3) and
siloxides ([OSiR3]−), but far more basic. By
varying the R
groups on P, a variety...
