- are
essentially synonymous with so-called 'non-classical
carbocations',
which are
carbocations that
contain bridging C–C or C–H σ-bonds. However, others...
-
became more widespread, however, higher-coordinate
carbocations were observed. Penta-coordinate
carbocations, also
described as
nonclassical ions,
cannot be...
-
reactivity of
carbocations via superacids. For this research, Olah was
awarded a
Nobel Prize in
Chemistry in 1994 "for his
contribution to
carbocation chemistry...
- of the
corresponding carbocations.
Tertiary carbocations are far more
stable than
secondary carbocations, and
primary carbocations are the
least stable(due...
- isolated. Cations,
often carbocations,
serve as
intermediates in
various types of
reactions to
synthesize new compounds.
Carbocations are
formed in two major...
- in an
addition reaction to form an
alcohol which involve formation of
carbocations. The
hydroxyl group (OH)
bonds to the
carbon that has the
greater number...
- A
pyramidal carbocation is a type of
carbocation with a
specific configuration. This ion
exists as a
third class,
besides the
classical and non-classical...
-
providing an
environment to create, maintain, and
characterize carbocations.
Carbocations are
intermediates in
numerous useful reactions such as
those forming...
-
Hydrocarbons may form
charged structures:
positively charged carbocations or
negative carbanions.
Carbocations are
often named -um.
Examples are
tropylium and triphenylmethyl...
-
Because the
three center bond
structures have
about the same
energy as
carbocations,
there is
generally virtually no
activation energy for
these rearrangements...