- Ball-and-stick
representation of the SN2
reaction of CH3SH with CH3I
yielding dimethylsulfonium. Note that the
attacking group attacks from the
backside of the leaving...
- The
original publication by
Johnson concerned the
reaction of 9-
dimethylsulfonium fluorenylide with
substituted benzaldehyde derivatives. The attempted...
-
enones are emplo****.
Dimethylsulfonium methylide transforms ketones and
enones to the
corresponding epoxides.
Dimethylsulfonium methylide is much more...
-
Michael (1965). "Dimethyloxosulfonium
Methylide ((CH3)2SOCH2) and
Dimethylsulfonium Methylide ((CH3)2SCH2).
Formation and
Application to
Organic Synthesis"...
-
secondary sulfonium cations, R2SH+ (protonated
thioethers R−S−R)
dimethylsulfonium, (CH3)2SH+ (protonated
dimethyl sulfide)
tertiary sulfonium cations...
-
convenient in the
generation of
dimethyloxosulfonium methylide and
dimethylsulfonium methylide.
NaDMSO condenses with
esters (1) to form β-ketosulfoxides...
- from HB(PO2F2)4 and butyllithium;
colourless [HS(CH3)2]+[B(PO2F2)4]−
Dimethylsulfonium tetra(difluorophosphato)borate 472, 511, 555, 648, 832, 933, 993,...
-
single diastereomer,
again due to
initial peripheral attack of the
dimethylsulfonium methylide nucleophile on the ketone.
Subsequent removal of the TBS...
