- In
organic chemistry,
arynes and
benzynes are a
class of
highly reactive chemical species derived from an
aromatic ring by
removal of two substituents...
- 2-(trimethylsilyl)phenyl
trifluoromethanesulfonate using cesium fluoride,
generating benzyne.
Benzyne then
reacts with 2-bromobiphenyl in the
presence of Pd(dba)₂ and...
- system) and an
alkyne to form a
reactive benzyne species, via a [4+2]
cycloaddition reaction. This
benzyne intermediate then
reacts with a
suitable trapping...
-
reactive aryne,
benzyne. It is
obtained by
diazotization of the
amine group using sodium nitrite which eliminates nitrogen and CO2
giving benzyne as an intermediate...
-
strong base, some aryl
halides often react via the
intermediacy of
benzynes.
Benzyne is an
intermediate in the
reaction of
chlorobenzene with strongly...
-
Transition metal benzyne complexes represent a
special case of
alkyne complexes since the free
benzynes are not
stable in the
absence of...
-
converted to
chlorobenzene by
nucleophilic aromatic substitution via a
benzyne intermediate.
Chlorobenzene is
treated with
aqueous sodium hydroxide at...
-
Transition metal benzyne complexes are
organometallic complexes that
contain benzyne ligands (C6H4).
Unlike benzyne itself,
these complexes are less reactive...
-
pyrolysis (above 200 °C)
forming a short-lived and very
reactive para-
benzyne biradical species. It will
react with any
hydrogen donor such as 1,4-cyclohexadiene...
-
laboratory as an
introduction to the Diels-Alder reaction, in this case
between benzyne,
which acts as the dienophile, (generated in situ) and tetraphenylcyclopentadienone...
