- ions like
palladium and platinum.
Other common ylides include sulfonium ylides and
sulfoxonium ylides; for instance, the Corey-Chaykovsky
reagent used...
-
azomethine ylides has
verified that
cycloaddition is also
stereospecific with
respect to the
dipole component.
Diastereopure azomethine ylides are generated...
-
groups can be
present if
conjugated with the
ylide —
these are the
stabilised ylides mentioned above. Bis-
ylides (containing two P=C bonds) have also been...
- stereocenters.
Azomethine ylides thus have high
utility in
total synthesis, and
formation of
chiral ligands and pharmaceuticals.
Azomethine ylides can be generated...
- diverse. The
reaction has come to encomp****
reactions of many
types of
sulfur ylides with
electrophiles well
beyond the
original publications. It has seen use...
-
Nitrile ylides also
known as
nitrilium ylides or
nitrilium methylides, are
generally reactive intermediates formally consisting of a
carbanion of an alkyl...
- an
important step when
optimizing a
Wittig reaction.
Because phosphonium ylides are
seldom isolated, the byproduct(s)
generated upon
deprotonation essentially...
-
particular example of the well-known 1,3-dipolar
cycloaddition of
azomethine ylides to olefins. In
fullerene chemistry this
reaction refers to the functionalization...
-
sulfonium and
oxosulfonium salts affords ylides, of
structure R2S+−C−−R′2 and R2S(O)+−C−−R′2.
While sulfonium ylides, for
instance in the Johnson–Corey–Chaykovsky...
- and
negatively charged functional groups. 1,2-dipolar compounds, such as
ylides, are
sometimes excluded from the definition. Some zwitterions, such as amino...
