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Cyclobutadiene is an
organic compound with the
formula C4H4. It is very
reactive owing to its
tendency to dimerize.
Although the
parent compound has not...
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cyclopentadienyl cation (C). The
prototypical example of antiaromaticity,
cyclobutadiene, is the
subject of debate, with some
scientists arguing that antiaromaticity...
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agent is used in
large excess. A
famous example is the
detection of
cyclobutadiene released upon
oxidation of
cyclobutadieneiron tricarbonyl. When this...
- Rule.
Whereas benzene is
aromatic (6 electrons, from 3
double bonds),
cyclobutadiene is not,
since the
number of π
delocalized electrons is 4,
which of course...
- non-aromatic ([8] and [10]annulene), or anti-aromatic (
cyclobutadiene, [4]annulene).
Cyclobutadiene is the only
annulene with
considerable antiaromaticity...
- solvents. It has been used in
organic chemistry as a
precursor for
cyclobutadiene,
which is an
elusive species in the free state.
Cyclobutadieneiron tricarbonyl...
- tetrahedrane. In a
later synthesis,
irradiation directly converted a
cyclobutadiene to tetrahedrane. And more recently, single-electron
oxidation can induce...
-
special stabilization beyond normal delocalization effects,
while C4H4 (
cyclobutadiene)
actually experiences a
special destabilization.[citation needed] Molecular...
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unsaturated four-membered ring with
three carbon atoms and one
nitrogen atom. Azetidine, the
saturated analog Cyclobutadiene, the
homocyclic analog v t e...
- carbon-carbon bond has
considerably less
double bond character. For instance,
cyclobutadiene is a very
unstable molecule but with both
olefinic bonds in push-pull...
