-
Biphenyl (also
known as diphenyl, phenylbenzene, 1,1′-biphenyl,
lemonene or BP) is an
organic compound that
forms colorless crystals.
Particularly in older...
- of
chiral biaryl compounds are the
Grignard reaction,
Ullmann reaction, and the
Suzuki reaction. A
recent example in the area of
chiral biaryl asymmetric...
- an aryl halide, was
found to
produce (both
symmetric and unsymmetric)
biaryls through aryl-Cu intermediates. This
monometallic copper system required...
-
significantly improve the
reaction of aryl
halides with
phenols to give
biaryl ethers. This
reaction is
known as
Ullmann condensation. In 1906, I. Goldberg...
- in its
higher oxidation states.
Despite the
significant implications of
biaryl coupling in industries, the
Ullmann reaction was
plagued by a
number of...
- structure, and
properties of
chiral titanium and
zirconium complexes bearing biaryl strapped substituted cyclopentadienyl ligands". Organometallics. 12 (11):...
- free
rotation either by
steric hindrance of the groups, as in
substituted biaryl compounds such as BINAP, or by
torsional stiffness of the bonds, as in the...
-
gallic acids as
simple esters, and the
remaining 12
appearing in 6
ellagic acid-type units. Ester, ether, and
biaryl linkages are present, see below....
-
reacted with a
diazonium salt in the
presence of a base to
provide the
biaryl through an
intermediate aryl radical. For example, p-bromobiphenyl may be...
- hexafluoroantimonate(V) [NO]+[SbF6]−. A pair of
diazonium cations can be
coupled to give
biaryls. This
conversion is
illustrated by the
coupling of the
diazonium salt derived...
