- In
organic chemistry,
aromaticity is a
chemical property describing the way in
which a
conjugated ring of
unsaturated bonds, lone pairs, or
empty orbitals...
-
cycloheptatriene is not
particularly acidic (pKa 37) and the
anion is
considered nonaromatic. The
cyclopropenyl cation (C 3H+ 3) and the
triboracyclopropenyl dianion...
- Annulenes,
completely conjugated monocyclic hydrocarbons, may be aromatic,
nonaromatic or antiaromatic.
Compounds that have a monocyclic,
planar conjugated...
-
chemical reaction in
which an
aromatic system is
formed from a
single nonaromatic precursor.
Typically aromatization is
achieved by
dehydrogenation of...
- even
annulenes n
aromaticity 4
antiaromatic 6
aromatic 8
nonaromatic 10
nonaromatic 12
weakly antiaromatic 14
weakly aromatic 16
nonaromatic 18 aromatic...
- R.; Ménard, F.; Nantel, M.; Barabé, F. (2005). "Addition of
Tethered Nonaromatic Carbon Nucleophiles to
Chemoselectively Activated Amides". Org. Lett...
- the ring is 7.86 ppm,
compared to the
normal range of 4.5-6.5 ppm for
nonaromatic alkenes. This
effect is of a
smaller magnitude than the corresponding...
-
Borabenzene (C5H6B)
Borepin (C6H7B) N-Heterocyclic
carbene boryl anion Nonaromatic boron heterocycles Borepin Polycyclic boron heterocycles 9-Borafluorene...
- (2004). "Strong
Exchange Interactions between Two
Radicals Attached to
Nonaromatic Spacers Deduced from Magnetic, EPR, NMR, and
Electron Density Measurements"...
-
shrubs or
small trees. They
generally rely on
alkaline soil. They are
nonaromatic, but
sometimes fetid. The
young stems and
leaves are
often densely covered...
