N-heterocyclic carbene-palladium complex immobilized on Co-MOF 74 microrods as a highly selective catalyst for Suzuki–Miyaura cross-coupling
Reaction Kinetics Mechanisms and Catalysis,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 2, 2025
Язык: Английский
Pd–NHC (NHC = N-Heterocyclic Carbene)-Catalyzed B-Alkyl Suzuki Cross-Coupling of 2-Pyridyl Ammonium Salts by N–C Activation: Application to the Discovery of Agrochemical Molecular Hybrids
Organic Letters,
Год журнала:
2024,
Номер
26(11), С. 2309 - 2314
Опубликована: Март 11, 2024
2-Alkylpyridines
are
a
privileged
scaffold
throughout
the
realm
of
organic
synthesis
and
play
key
role
in
natural
products,
pharmaceuticals,
agrochemicals.
Herein,
we
report
first
B-alkyl
Suzuki
cross-coupling
2-pyridyl
ammonium
salts
to
access
functionalized
2-alkylpyridines.
The
use
well-defined,
operationally
simple
Pd-NHCs
permits
for
an
exceptionally
broad
scope
challenging
C–N
with
organoboranes
containing
β-hydrogen,
representing
novel
method
discovery
highly
sought-after
molecules
plant
protection.
Язык: Английский
Earth‐Abundant Recyclable Magnetic Iron Oxide Nanoparticles for Green‐light Mediated C−H Arylation in Heterogeneous Phase
Tanumoy Mandal,
Ashwin Chaturvedi,
Aznur Azim
и другие.
Chemistry - A European Journal,
Год журнала:
2024,
Номер
30(44)
Опубликована: Май 24, 2024
A
magnetically
isolable
iron
oxide
nanoparticles
is
introduced
as
an
efficient
heterogeneous
photocatalyst
for
non-directed
C-H
arylation
employing
aryl
diazonium
salts
the
precursors.
This
first-row
transition
metal-based
revealed
versatile
activities
and
applicable
to
a
wide
range
of
substrates,
demonstrating
brilliant
efficacy
superior
recyclability.
Detailed
catalytic
characterization
describes
physical
properties
redox
behavior
Fe-catalyst.
Adequate
control
experiments
helped
establish
radical-based
mechanism
arylation.
Язык: Английский
Full-color emission of fluorinated benzothiadiazole-based D–A–D fluorophores and their bioimaging applications
Materials Advances,
Год журнала:
2023,
Номер
4(24), С. 6612 - 6620
Опубликована: Янв. 1, 2023
By
modulating
donor
and
acceptor
units,
serial
fluorinated
benzothiadiazole-based
full-color
fluorophores
with
various
luminescence
properties,
such
as
DSE,
ACQ
AIEE
effects,
are
developed.
Importantly,
red
emitter
3m
can
be
used
in
bioimaging.
Язык: Английский
Purple Light-Promoted Coupling of Bromopyridines with Grignard Reagents via SET
The Journal of Organic Chemistry,
Год журнала:
2024,
Номер
89(10), С. 7148 - 7155
Опубликована: Май 8, 2024
Alkyl-
and
arylpyridines
2,2′-bipyridines
are
conventionally
prepared
by
Minisci
reactions
of
pyridines
transition
metal-catalyzed
coupling
halopyridines.
Herein,
purple
light-promoted
radical
2-
or
4-bromopyridines
with
Grignard
reagents
in
Et2O
a
mixture
tetrahydrofuran
regular
glassware
without
the
need
for
metal
catalyst
were
disclosed
first
time.
Methyl,
primary
secondary
alkyl,
cycloalkyl,
aryl,
heteroaryl,
pyridyl,
alkynyl
compatible
protocol.
As
result,
alkyl-
easily
prepared.
Single
electron
transfer
from
reagent
to
bromopyridine
was
stimulated
light.
An
extruded
dimerization
worked
as
catalyst.
Light
on/off
experiments
indicated
that
constant
irradiation
required
product
formation.
Studies
clock
substrates
verified
involvement
pyridyl
noninvolvement
an
alkyl
aryl
reagent.
The
available
proof
supports
photoinduced
SRN
mechanism
new
reactions.
Язык: Английский
A Review on the Recent Progress of Layered Double Hydroxides (LDHs)-based Catalysts for Heterocyclic Synthesis
Current Organocatalysis,
Год журнала:
2023,
Номер
11(2), С. 154 - 174
Опубликована: Окт. 31, 2023
Over
the
past
decade,
heterocyclic
compounds
and
their
derivatives
have
emerged
as
promising
substances
with
potential
pharmacological
applications
due
to
interesting
biological
properties.
The
significance
of
in
drug
discovery
development
is
evident
from
fact
that
a
majority
drugs
pharmaceutical
market
incorporate
active
or
ingredients.
Various
synthetic
methods
advancements
been
devised
prepare
these
using
diverse
catalysts
under
mild
conditions.
Layered
double
hydroxides
(LDHs)-based
materials
gained
considerable
attention
across
different
fields,
usability
can
be
significantly
enhanced
via
selection
metal
cations,
molar
ratios,
surface
complexation,
intercalation
modifications.
synthesis
application
LDH-based
garnered
increasing
interest
exceptional
Moreover,
found
extensive
use
heterogeneous
numerous
compounds.
This
review
presents
latest
developments
catalytic
solid
compounds,
covering
literature
published
2018
2023.
Keywords:
materials,
catalysis,
catalyst,
synthesisLayered
Язык: Английский
Synthesis of Functionalized Indoles by an Iridium-Catalyzed N–H Insertion Cascade: Nucleophilic Cyclization of Naphthylamines with α-Diazocarbonyl Compounds
The Journal of Organic Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 28, 2024
A
novel
iridium-catalyzed
[3
+
2]
annulation
of
naphthylamines
and
α-diazocarbonyl
compounds
was
developed
for
the
rapid
assembly
densely
functionalized
indoles.
This
new
catalytic
process
represents
first
example
a
cascade
intramolecular
nucleophilic
cyclization
by
N-H
insertion
amines.
Various
could
be
obtained
in
high
yields
with
excellent
functional
group
tolerance.
The
reaction
affords
valuable
indole
derivatives,
enabling
expedient
access
to
heterocyclic
analogues
not
easily
accessible
other
methods.
Язык: Английский
Structural and catalytic studies of Six-Membered amino N-Heterocyclic carbene palladium (II) complexes with a triazine backbone for Suzuki coupling reaction
Inorganica Chimica Acta,
Год журнала:
2024,
Номер
unknown, С. 122466 - 122466
Опубликована: Ноя. 1, 2024
Язык: Английский
Weakly-Activated Phenol Derivatives as New Green Electrophilic Partners in Suzuki–Miyaura and Related C-C Couplings
Molecules,
Год журнала:
2024,
Номер
30(1), С. 51 - 51
Опубликована: Дек. 26, 2024
In
recent
years,
there
has
been
growing
interest
in
the
development
of
greener
alternatives
to
traditional
reagents
used
carbon–carbon
coupling
reactions,
particularly
response
environmental
concerns.
The
commonly
aryl
halides,
despite
being
highly
reactive
Suzuki–Miyaura
(SMC),
pose
significant
risks.
As
a
result,
research
shifted
towards
exploring
use
phenols,
which
are
widely
accessible
and
environmentally
benign.
However,
phenols
considerably
less
due
poor
leaving
group
properties
hydroxyl
group,
necessitating
prior
activation
facilitate
their
reactions.
This
work
aims
review
investigations
on
strategies
for
focusing
application
related
C-C
couplings.
addition,
exploration
potential
conducting
step
“in
situ”
will
also
be
discussed.
We
hope
that
this
article
pave
way
more
sustainable
efficient
methodologies,
addressing
both
ecological
practical
challenges
organic
synthesis.
Язык: Английский
Tetranuclear N-Heterocyclic Carbene Palladium Acetate—The Fast-Initiating Precatalyst of Suzuki Coupling
Catalysts,
Год журнала:
2024,
Номер
14(11), С. 836 - 836
Опубликована: Ноя. 20, 2024
A
tetranuclear
N-heterocyclic
palladium
carbene
acetate,
characterised
by
a
[Pd]/[NHC]
=
2/1
ratio,
was
synthesised
and
shown
to
be
catalytically
active
in
Suzuki
coupling.
Single
crystal
XRD
studies
of
the
complex
revealed
its
unprecedented
geometry,
with
presence
three
coordinated
centres.
The
catalytic
activity
is
significantly
higher
than
that
analogues
containing
same
ligand.
Preliminary
have
been
carried
out
determine
properties
complex.
Язык: Английский