- an aryl halide, was
found to
produce (both
symmetric and unsymmetric)
biaryls through aryl-Cu intermediates. This
monometallic copper system required...
-
Biphenyl (also
known as diphenyl, phenylbenzene, 1,1′-biphenyl,
lemonene or BP) is an
organic compound that
forms colorless crystals.
Particularly in older...
-
significantly improve the
reaction of aryl
halides with
phenols to give
biaryl ethers. This
reaction is
known as
Ullmann condensation. In 1906, I. Goldberg...
- of
chiral biaryl compounds are the
Grignard reaction,
Ullmann reaction, and the
Suzuki reaction. A
recent example in the area of
chiral biaryl asymmetric...
- in its
higher oxidation states.
Despite the
significant implications of
biaryl coupling in industries, the
Ullmann reaction was
plagued by a
number of...
- can be
formed in situ from
copper powder, at the cost of a
biaryl byproduct (see §
Biaryl coupling): 2 Cu + 2 [C6H5N2]+ → 2 Cu+ + (C6H5)2 + 2 N2 (initiation)...
- 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...
-
Justin Y. Wang; Marc Font; John F.
Hartwig (2018). "Mechanism of the
Ullmann Biaryl Ether Synthesis Catalyzed by
Complexes of
Anionic Ligands:
Evidence for...
- structure, and
properties of
chiral titanium and
zirconium complexes bearing biaryl strapped substituted cyclopentadienyl ligands". Organometallics. 12 (11):...
- 1021/ar800098p, PMC 2819174, PMID 18681463 Surry, D.S.; Buchwald, S.L. (2008), "
Biaryl Phosphane Ligands in Palladium-Catalyzed Amination", Angew. Chem. Int. Ed...
