Visible-light-driven photocyclization reaction: photocatalyst-free mediated intramolecular N–N coupling for the synthesis of 2H-indazole-3-carboxamides from aryl azides
Organic Chemistry Frontiers,
Год журнала:
2021,
Номер
8(19), С. 5296 - 5302
Опубликована: Янв. 1, 2021
A
visible-light-driven
photocyclization
reaction
of
aryl
azides
to
access
2
H
-indazole-3-carboxamides
in
moderate
excellent
yields
has
been
realized
efficiently
under
photocatalyst-free
and
external
additive-free
conditions.
Язык: Английский
The synthesis and structure of an amazing and stable carbonized material Cu-PC@OFM and its catalytic applications in water with mechanism explorations
Anqi Tian,
Xianghao Luo,
Zhi‐Lin Ren
и другие.
New Journal of Chemistry,
Год журнала:
2021,
Номер
45(21), С. 9614 - 9620
Опубликована: Янв. 1, 2021
An
amazing
and
stable
carbonized
octahedral
frame
material
Cu-PC@OFM
was
synthesized
characterized
through
HRTEM,
SEM,
XRD,
XPS,
Raman
spectroscopy
nitrogen
adsorption/desorption
analysis.
Язык: Английский
A new type of heterogeneous catalysis strategy for organic reactions: Ugi-3CR catalyzed by highly stable MOFs with exposed carboxyl groups
Organic Chemistry Frontiers,
Год журнала:
2022,
Номер
9(22), С. 6179 - 6186
Опубликована: Янв. 1, 2022
A
mild
and
highly
efficient
Ugi-3CR
using
a
novel
Cu-COOH@MOF-6
as
the
catalyst
has
been
developed,
which
provides
facile
access
to
α-amino
amides.
The
recycling
test
XRD
images
showed
that
catalytic
system
good
stability
recyclability.
Язык: Английский
Highly Stable Univalent Copper of a Cu@Al/SBA‐15 Nanocomposite Catalyzes the Synthesis of Fluorescent Aminobenzotriazoles Derivatives
Chemistry - A European Journal,
Год журнала:
2021,
Номер
28(3)
Опубликована: Ноя. 29, 2021
With
the
development
of
green
chemistry,
it
is
still
a
challenge
to
maintain
unstable
valence
state
metal
in
heterogeneous
catalysts
and
realize
new
catalytic
synthesis
methods.
In
this
paper,
reported
that
an
univalent
copper
nanocomposite
(Cu@Al/SBA-15)
can
efficiently
catalyze
formation
novel
amino-containing
benzotriazoles
with
great
fluorescence
properties
synthetic
strategy.
Subsequently,
its
application
further
verified
by
acylation
reaction
produce
series
derivatives
high
yield.
It
worth
noting
Cu@Al/SBA-15
nanocomposites
not
only
enable
completed
yield
short
time,
but
also
be
recycled
many
times
without
significant
reduction
activity,
leaching
aluminum
species
system
negligible.
Finally,
detailed
feasible
mechanism
provided.
Язык: Английский
Study on the Bimetallic Synergistic Effect of Cu/Al@SBA-15 Nanocomposite on Dehydrogenation Coupling Strategy
Xianghao Luo,
Anqi Tian,
Zhi‐Lin Ren
и другие.
Catalysis Letters,
Год журнала:
2022,
Номер
152(12), С. 3704 - 3715
Опубликована: Фев. 10, 2022
Язык: Английский
Synthesis and Discovery of Schiff Base Bearing Furopyrimidinone for Selective Recognition of Zn2+ and its Applications in Cell Imaging and Detection of Cu2+
Frontiers in Chemistry,
Год журнала:
2021,
Номер
9
Опубликована: Ноя. 29, 2021
A
simplefuro
[2,3-d]pyrimidinone-based
Schiff
base
FPS
was
synthesized
via
aza-Wittig
reaction
and
structure
elucidation
carried
out
by
spectroscopic
studies
FT-IR,
1H
NMR,
13C
NMR
mass
spectrometry.
showed
weak
fluorescence
emission
in
methanol
the
selectivity
of
to
different
metal
ions
(Mn2+,
Ca2+,
Fe2+,
Fe3+,
Mg2+,
Al3+,
Ba2+,
Ag+,
Co2+,
Na+,
K+,
Cu2+,
Zn2+,
Pb2+,
Bi3+)
were
studied
absorption
titration.
The
results
show
that
has
selective
sensing
behavior
for
Zn2+
limit
detection
(LOD)
calculated
be
1.19
×
10-8
mol/L.
Moreover,
FPS-Zn2+
acts
as
a
based
highly
sensitive
new
chemosensor
Cu2+
LOD
2.25
10-7
In
accordance
with
theoretical
calculations,
we
suspected
binding
mechanisms
assigned
cooperative
interaction
Zn2+(Cu2+)-N.
Язык: Английский
Solvent-involved synthesis of pyrrolidin-5-one-2-carboxamides via a sequential Ugi/olefination reaction
Organic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(10), С. 2780 - 2785
Опубликована: Янв. 1, 2024
An
unprecedented
multi-component
reaction
with
solvent
participation
and
a
novel
conversion
of
sulfur
ylides
was
developed
via
Ugi/olefination
to
construct
pyrrolidin-5-one-2-carboxamides.
Язык: Английский