Chemical Society Reviews,
Год журнала:
2018,
Номер
47(15), С. 5786 - 5865
Опубликована: Янв. 1, 2018
This
review
provides
an
overview
of
the
use
electrochemistry
as
appealing
platform
for
expediting
carbon–hydrogen
functionalization
and
carbon–nitrogen
bond
formation.
Chemical Society Reviews,
Год журнала:
2012,
Номер
41(9), С. 3464 - 3464
Опубликована: Янв. 1, 2012
Copper
salts
have
been
developed
as
versatile
catalysts
for
oxidative
coupling
reactions
in
organic
synthesis.
During
these
processes,
Cu-catalysts
are
often
proposed
to
serve
a
one-electron
oxidant
promote
the
single-electron
transfer
process.
Recently,
transition-metal
catalyzed
direct
dehydrogenative
transformation
has
attracted
considerable
attention.
This
tutorial
review
summarizes
recent
advances
copper-catalyzed
functionalization
via
single
electron
(SET)
process
achieving
C–C,
C–N,
C–O,
C–halogen
atoms,
C–P,
and
N–N
bond
formation.
Accounts of Chemical Research,
Год журнала:
2015,
Номер
48(4), С. 1007 - 1020
Опубликована: Апрель 6, 2015
The
possibility
of
developing
new
methods
for
the
efficient
construction
organic
molecules
via
disconnections
other
than
traditional
functional
group
transformations
has
driven
interest
in
direct
functionalization
C-H
bonds.
ubiquity
bonds
makes
such
attractive,
but
they
also
pose
several
challenges.
first
is
reactivity
and
selectivity
To
achieve
this,
directing
groups
(DGs)
are
often
installed
that
can
enhance
effective
concentration
catalyst,
leading
to
thermodynamically
stable
metallacyclic
intermediates.
However,
presence
a
pendant
product
undesirable
unnecessary.
This
may
account
limitation
applications
reactions
more
common
general
uses.
Thus,
development
removable
or
functionalizable
desirable.
Another
key
problem
resulting
M-C
bond
be
low,
which
limit
scope
coupling
partners
hence
reaction
patterns
activation
reactions.
While
Cp*Rh(III)-catalyzed
arenes
was
reported
only
7
years
ago,
significant
progress
been
made
this
area
past
few
years.
We
began
our
studies
2010,
we
others
have
demonstrated
diversified
catalytic
realized
using
Cp*Rh(III)
complexes
with
high
reactivity,
stability,
compatibility.
Account
describes
efforts
solve
some
these
challenges
Rh(III)
catalysis.
fulfilled
design
arene
substrates
by
taking
advantage
nucleophilicity,
electrophilicity,
oxidizing
potential,
properties
participating
ligand
when
coupled
relatively
reactive
unsaturated
as
alkenes
alkynes.
These
situ
funtionalizable
roles
DG
allowed
extensive
chemical
manipulation
initial
product,
especially
diverse
array
heterocycles.
In
polar
partners,
Rh(III)-C(aryl)
showed
higher
both
an
organometallic
reagent
nucleophilic
aryl
source.
were
accordingly
activated
virtue
umpolung,
ring
strain,
rearomatization.
All
possible
integration
compatibility
Rh(III)-C
into
systems.
date
achieved
under
rhodium
addition,
means
stoichiometric
reactions,
gained
mechanistic
insights
interactions
between
Rh-C
opened
avenues
future
Chemical Society Reviews,
Год журнала:
2018,
Номер
47(15), С. 5786 - 5865
Опубликована: Янв. 1, 2018
This
review
provides
an
overview
of
the
use
electrochemistry
as
appealing
platform
for
expediting
carbon–hydrogen
functionalization
and
carbon–nitrogen
bond
formation.