Synthesis and site selective C–H functionalization of imidazo-[1,2-a]pyridines
Organic & Biomolecular Chemistry,
Год журнала:
2023,
Номер
21(36), С. 7267 - 7289
Опубликована: Янв. 1, 2023
Herein
we
disclose
the
synthesis
and
an
overview
of
all
functionalization
reactions
at
each
carbon
atom,
viz
,
C2,
C3,
C5,
C6,
C7
C8
imidazo[1,2-
a
]pyridine.
Язык: Английский
Structural insight into imidazopyridines and benzimidazoles: the importance of the hydrogen bond, π-stacking interactions and intramolecular charge transfer effect for fluorescence
CrystEngComm,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
An
investigation
of
the
impact
N-position,
H-bond
and
π-stacking
for
fluorescence
in
imidazopyridine
benzimidazole
derivatives.
Язык: Английский
Recent Advances in the Electrochemical Functionalization of Imidazoheterocycles
Advanced Synthesis & Catalysis,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 18, 2024
Abstract
Imidazoheterocycles
have
extensive
applications
in
the
pharmaceutical
industry
and
agrochemicals.
A
comprehensive
overview
has
been
provided
on
current
advancements
electrochemical
functionalization
of
imidazo‐fused
heterocycles,
which
classified
into
ten
different
types
reactions.
Electrochemical
synthesis
emerged
as
a
highly
effective
method
for
producing
organic
molecules,
especially
context
sustainable
development.
Employing
electrons
traceless
oxidant,
several
C−H
reactions
heterocycles
achieved
at
either
C3
or
C5
positions.
Electrons
may
serve
reducing
agent
to
synthesize
pyridine
rings
that
are
partially
fully
saturated
imidazo[1,2‐
]pyridines.
The
purpose
review
is
attract
interest
scientific
community
promote
additional
research
imidazoheterocycles
using
methods.
Язык: Английский
An efficient and environment-friendly halogenation of imidazoheterocycles with Bu4NX (X = Cl, Br and I) using iodobenzene diacetate as oxidant
Tetrahedron Letters,
Год журнала:
2024,
Номер
144, С. 155135 - 155135
Опубликована: Июнь 6, 2024
Язык: Английский
A time-controlled selective bromination and formylation of 2-arylimidazo[1,2-a]pyridines
Journal of the Iranian Chemical Society,
Год журнала:
2024,
Номер
21(9), С. 2469 - 2475
Опубликована: Авг. 19, 2024
Язык: Английский
I2/H2O2 Mediated Synthesis and Photophysical Properties of Imidazole‐Fused Heterocycles via [4+1] Cyclization Approach
ChemistrySelect,
Год журнала:
2024,
Номер
9(36)
Опубликована: Сен. 1, 2024
Abstract
An
efficient
I
2
(10
mmol
%)/H
O
mediated
oxidative
formal
[4+1]
cyclization
of
2‐pyridinemethylamine
or
o
‐phenylenediamine
(2‐aminobenzenethiol)
with
benzaldehyde
via
C−N
bond
formation
has
been
developed.
This
strategy
provides
a
straightforward
approach
to
imidazo[1,5‐
]pyridines,
iodo‐substituted
]pyridines
and
benzimidazole
(benzothiazole)
derivatives
in
yields
ranging
from
60
%
98
%,
respectively.
Several
heterocyclic
products
exhibit
promising
blue
luminous
performance
satisfactory
fluorescence
quantum
up
64
large
Stokes
shifts,
longer
lifetime
(7.35
ns).
The
band
gap
energies
obtained
DFT
are
also
consistent
the
absorption
spectra.
Язык: Английский