- H − C ≡ C − H {\displaystyle {\ce {H-C#C}}{\ce {-H}}}
Acetylene H − C ≡ C − C | H H | − H {\displaystyle {\ce {H-C#C}}{-}{\ce {\overset {\displaystyle...
- good
enough leaving group for the
chemical generation of aryl cations.
Alkynyl cations are
extremely unstable, much less
stable than even CH+ 3 (hydride...
- in the case of
route A, aryl, alkenyl, or
alkynyl in the case of
route B, or alkyl, aryl, alkenyl, or
alkynyl for
route C. For
routes B and C, the alkyl...
- {\displaystyle {\ce {R}}} : aryl,
alkenyl or
alkynyl R ′ {\displaystyle {\ce {R'}}} : aryl, alkenyl,
alkynyl or
alkyl R ″ {\displaystyle {\ce {R''}}} :...
- of
alkynyl ketiminoesters. (scheme 25)
Their application shows that
catalyst 26 and MeCN can be
replaced by 28 and
dichloroethane for many
alkynyl trifluoromethyl-...
-
alkynes (at an sp carbon) are
known as alkyl,
alkenyl (vinyl), aryl, and
alkynyl (acetylide) anions, respectively.
Carbanions have a
concentration of electron...
-
alkynylaluminium compounds involve the
transfer of a
nucleophilic alkenyl or
alkynyl group attached to
aluminium to an
electrophilic atom.
Stereospecific hydroalumination...
-
hydroquinones in the
total synthesis of
vitamin E. The
chemical shift of an
alkynyl proton and
propargylic proton generally occur in the same
region of the...
-
formula HC2C(OH)Me2 (Me = CH3). A
colorless liquid, it is
classified as an
alkynyl alcohol. It
arises from the
condensation of
acetylene and acetone. The...
-
methyl group,
ethyl group)
Alkenyl group (e.g.,
vinyl group,
allyl group)
Alkynyl group (propargyl group)
Benzyloxycarbonyl group (Cbz) tert-butoxycarbonyl...
