-
conversion of
barrelene to
semibullvalene is a di-π-methane rearrangement. A
synthetic procedure for
alkylated semibullvalenes published in 2006 is based...
- to:
Barrelene Benzocyclobutene (BCB)
Cubane Cuneane Cyclooctatetraene Semibullvalene Polystyrene Styrene Xylylene Heptafulvene List of
compounds with carbon...
-
rearrangement was
originally encountered in the
photolysis of
barrelene to give
semibullvalene. Once the
mechanism was
recognized as
general by
Howard Zimmerman in...
-
proceeding via
another isolable isomer,
semibullvalene. COT
derivatives can also be
synthesised by way of
semibullvalene intermediates. In the
sequence illustrated...
-
cyclooctatetraene Cyclooctatetraene (COT)
Barrelene Cubane Cuneane Semibullvalene 1,5-dihydropentalene 2a,2b,4a,4b-Tetrahydrocyclopropa[cd]pentalene Bicyclo[4...
- also a
starting material for many
other organic compounds, such as
semibullvalene. The
original Zimmerman synthesis modified in 1969
starts from coumalic...
-
homoaromatics are
bishomoaromatics such as
barrelene and
semibullvalene.
First synthesized in 1966,
semibullvalene has a
structure that
should lend
itself well to...
- 4-pentadiene (the "Mariano" molecule) and the
rearrangement of
barrelene to
semibullvalene. We note that, in
contrast to the
cyclohexadienone reactions which used...
- Chem. Soc., 1969, 91, 1718-1727. ISSN 0002-7863 "The
Barrelene to
Semibullvalene Transformation.
Correlation of
Excited State Potential Energy Surfaces...
