- sugar. The silyl-Hilbert-Johnson (or Vorbrüggen) reaction,
which employs silylated heterocyclic bases and
electrophilic sugar derivatives in the presence...
- (Me = CH3): ROH + CF3C(OSiMe3)NSiMe3 → CF3C(O)NH(SiMe3) + ROSiMe3
These silylated derivatives are
amenable to
analysis or
further mani****tion. Siloxanes...
-
organosilicon compounds synthesized using the Wurtz–****ig
reaction include silylated calixarenes and vinylsilanes.
Wurtz reaction Wang,
Zerong (2010). "Wurtz–****ig...
- chromatography-m**** spectrometry, HMDS is
added to the
analyte to
create silylated diagnostic products during pyrolysis, in
order to
enhance detectability...
- follows: ROH + NEt3 → RO− + H−NEt+3 RO− + Cl−SiMe3 → RO−SiMe3 + Cl−
Other silylating agents include bis(trimethylsilyl)acetamide (BSA). The
reaction of BSA...
-
hydrolyze much more
slowly than the
trimethylsilyl ethers. It also can
silylate terminal alkynes. The
triflate derivative (Me3C)Me2SiOTf is used similarly...
- as a mild base. As a
deprotecting agent, TBAF in DMSO will
convert O-
silylated enolates into carbonyls. With C-Si bonds, TBAF
gives carbanions that can...
- [CF3]−
attacks the
carbonyl to
generate an
alkoxide anion. The
alkoxide is
silylated by the
reagent to give the
overall addition product, plus [CF3]−, thus...
-
phosphoranes 1 or
linear alkyl transfer products 2. More
practical is the use of
silylated phosphorus sources,
which undergo intramolecular silyl group transfer...
-
converted into
dithianes 3 and 9 with 1,3-propanedithiol.
Sulfide 3 is
first silylated by
reaction with tert-butyllithium and then
trimethylsilyl chloride 4...
