Recent Advances in Dearomative Partial Reduction of Benzenoid Arenes
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(21)
Опубликована: Март 14, 2024
Abstract
Dearomative
partial
reduction
is
an
extraordinary
approach
for
transforming
benzenoid
arenes
and
has
been
well‐known
many
decades,
as
exemplified
by
the
dehydrogenation
of
Birch
hydroarylation
Crich
addition.
Despite
its
remarkable
importance
in
synthesis,
this
field
experienced
slow
progress
over
last
half‐century.
However,
a
revival
observed
with
recent
introduction
electrochemical
photochemical
methods.
In
Minireview,
we
summarize
advancements
dearomative
arenes,
including
dihydrogenation,
hydroalkylation,
arylation,
alkenylation,
amination,
borylation
others.
Further,
intriguing
utilization
synthesis
natural
products
also
emphasized.
It
anticipated
that
Minireview
will
stimulate
further
arene
transformations.
Язык: Английский
C–H functionalization through benzylic deprotonation with π-coordination or cation–π-interactions
Chemical Society Reviews,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Transition-metals
bind
arene
π-systems,
removing
e
−
density
and
acidifying
benzylic
C–H’s.
Main
group
metals
achieve
this
via
cation–π
interactions.
Both
interactions
enable
catalytic
base-promoted
selective
C–H
functionalization.
Язык: Английский
Transition-Metal-Catalyzed Dehydrogenative (3 + 2) Annulation of Aromatic Compounds: Synthesis of Indenes and Indanes via Dual Functionalization of Benzylic and ortho C–H Bonds
The Journal of Organic Chemistry,
Год журнала:
2023,
Номер
88(20), С. 14264 - 14273
Опубликована: Окт. 9, 2023
Intermolecular
(3
+
2)
annulation
emerges
as
a
potent
approach
for
constructing
5-membered
carbocycles
through
the
fusion
of
two
distinct
components.
This
synopsis
encapsulates
recent
strides
in
realm
transition-metal-catalyzed
dehydrogenative
aromatic
hydrocarbons,
achieved
dual
functionalization
benzylic
and
ortho
C–H
bonds.
Encompassing
three
pivotal
strategies,
namely,
(i)
bond
activation,
(ii)
oxidation,
(iii)
π-coordination
this
review
offers
an
overview
field's
developments.
Язык: Английский
Chiral Bis(binaphthyl) Cyclopentadienyl Ligands for Rhodium-Catalyzed Desymmetrization of Diarylmethanes via Selective Arene Coordination
Journal of the American Chemical Society,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 18, 2024
Owing
to
substantial
advances
in
the
past
several
decades,
transition-metal-catalyzed
asymmetric
reactions
have
garnered
considerable
attention
as
pivotal
methods
for
constructing
chiral
molecules
from
abundant,
readily
available
achiral
counterparts.
These
are
largely
attributed
development
of
ligands
that
control
stereochemistry
through
steric
repulsion
and
other
noncovalent
interactions
between
functional
groups
or
prochiral
centers
on
substrates.
However,
stereocontrol
weakens
dramatically
with
increasing
distance
reaction
site
group
center.
Herein,
we
report
a
symphonic
strategy
remote
Rh(III)-catalyzed
benzylic
C-H
bond
addition
diarylmethanes
which
two
aryl
motifs
differ
at
Язык: Английский
Strategies for Arene Dissociation from Transition Metal eta-6-Arene Complexes
Dalton Transactions,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
Transition
metal
η
6
-arene
complexes
have
unique
properties
that
facilitate
a
variety
of
arene
substitution
reactions,
rendering
π-activation
powerful
approach
for
functionalization.
Язык: Английский
Recent Advances in Dearomative Partial Reduction of Benzenoid Arenes
Angewandte Chemie,
Год журнала:
2024,
Номер
136(21)
Опубликована: Март 14, 2024
Abstract
Dearomative
partial
reduction
is
an
extraordinary
approach
for
transforming
benzenoid
arenes
and
has
been
well‐known
many
decades,
as
exemplified
by
the
dehydrogenation
of
Birch
hydroarylation
Crich
addition.
Despite
its
remarkable
importance
in
synthesis,
this
field
experienced
slow
progress
over
last
half‐century.
However,
a
revival
observed
with
recent
introduction
electrochemical
photochemical
methods.
In
Minireview,
we
summarize
advancements
dearomative
arenes,
including
dihydrogenation,
hydroalkylation,
arylation,
alkenylation,
amination,
borylation
others.
Further,
intriguing
utilization
synthesis
natural
products
also
emphasized.
It
anticipated
that
Minireview
will
stimulate
further
arene
transformations.
Язык: Английский