- In
organic chemistry,
arynes and
benzynes are a
class of
highly reactive chemical species derived from an
aromatic ring by
removal of two substituents...
-
strong base, some aryl
halides often react via the
intermediacy of
benzynes.
Benzyne is an
intermediate in the
reaction of
chlorobenzene with strongly...
-
other methods of
accessing benzynes is the
simplicity of the
reaction system. HDDA
reaction of
triynes or
tetraynes forms benzynes without the
direct formation...
- 1021/ja00189a058. Buchwald, S. L.; Nielsen, R. B. "Group 4
Metal Complexes of
Benzynes, Cycloalkynes,
Acyclic Alkynes, and Alkenes" Chem. Rev. 1988,
volume 88...
-
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...
-
Transition metal benzyne complexes represent a
special case of
alkyne complexes since the free
benzynes are not
stable in the
absence of...
-
Pyridyne in
chemistry is the
pyridine analogue of
benzyne.
Pyridynes are the
class of
reactive intermediates derived from pyridine. Two
isomers exist...
-
laboratory as an
introduction to the Diels-Alder reaction, in this case
between benzyne,
which acts as the dienophile, (generated in situ) and tetraphenylcyclopentadienone...
-
unsaturated polycyclic hydrocarbons class of
compounds and a
tetramer of
benzyne.
Cyclooctatetraene Tetraphenylene at Sigma-Aldrich
International Union...
-
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...
