Chemistry - A European Journal,
Journal Year:
2024,
Volume and Issue:
30(61)
Published: Aug. 15, 2024
Abstract
Covalent
triazine
frameworks
(CTFs)
are
promising
heterogeneous
photocatalyst
candidates
owing
to
their
excellent
stability,
conjugacy,
and
tunability.
In
this
study,
a
series
of
CTFs
decorated
with
different
substituents
(H,
MeO,
F)
were
synthesised
utilised
as
photocatalysts
for
C−H
activation
reactions.
The
corresponding
optoelectronic
properties
could
be
precisely
regulated
by
the
electronic
effects
in
nanopore
channels
CTFs;
these
effective
organic
synthesis
due
unique
structures
properties.
Methoxy‐substituted
CTF
(MeO‐CTF)
exhibited
extraordinary
catalytic
performance
reusability
functionalization
constructing
an
donor‐acceptor
system,
achieving
highest
yield
photocatalytic
C3–H
hydroxylation
2‐phenylimidazole[1,2‐α]pyridine.
This
strategy
provides
new
scaffold
rational
design
efficient
synthesis.
Organic & Biomolecular Chemistry,
Journal Year:
2022,
Volume and Issue:
20(24), P. 4837 - 4845
Published: Jan. 1, 2022
Transition-metal-catalyzed
directed
C-H
alkenylation
with
maleimides
has
attracted
much
attention
in
recent
years,
as
maleimide
core
moieties
are
present
various
natural
products
and
pharmaceuticals.
In
addition,
these
derivatives
can
be
readily
modified
into
biologically
important
compounds
including
succinimides,
pyrrolidines
γ-lactams.
The
efficient
chelation-assisted
inert
bond
activation
strategy
provides
straightforward
access
to
a
wide
array
of
structurally
diverse
molecules
containing
units.
This
review
describes
the
major
progress
mechanistic
investigations
on
Heck-type
reaction/cyclization
organic
until
early
2022.
Green Synthesis and Catalysis,
Journal Year:
2022,
Volume and Issue:
3(3), P. 203 - 211
Published: Feb. 28, 2022
Thioether
skeletons
are
widely
present
in
drugs,
natural
products,
functional
materials,
and
life
science.
In
the
past
decade,
selective
C–H
functionalization
of
thioethers
has
been
extensively
studied
to
construct
novel
thioether
derivatives.
This
mini-review
systematically
introduces
recent
advances
field
direct
α-C(sp3)-H
thioethers.
Organic Letters,
Journal Year:
2023,
Volume and Issue:
25(15), P. 2594 - 2599
Published: April 10, 2023
We
herein
demonstrate
the
acylsilane-directed
Rh-catalyzed
arene
C–H
bond
alkylation
with
maleimides.
The
resulting
derivatives
were
utilized
in
visible-light-induced
intramolecular
siloxycarbene-amide
cyclization
for
synthesis
of
new
tricyclic
γ-lactams.
In
parallel,
we
also
harnessed
same
acylsilane
and
maleimide
units
through
[3
+
2]
carbo-annulation
by
using
Ru-catalysis.
A
wide
range
maleimides
aroylsilanes
used
to
establish
broadness
these
transformations.
Organic Letters,
Journal Year:
2023,
Volume and Issue:
25(20), P. 3806 - 3811
Published: May 17, 2023
A
Mn(I)-catalyzed
site-selective
nondirected
C3-maleimidation
of
quinoxaline
is
established.
Herein,
the
electrophilic
C3-metalation
precedes
over
o-directed
strategy
to
access
diversely
substituted
quinoxaline-appended
succinimides.
The
products
undergo
PIFA-promoted
C(sp2)-C(sp3)
spirocyclization
via
π-electrons
drifting
from
aryls
and
Selectfluor-mediated
dehydrogenation
succinimide
at
room
temperature.
Organic & Biomolecular Chemistry,
Journal Year:
2024,
Volume and Issue:
22(7), P. 1434 - 1440
Published: Jan. 1, 2024
A
simple
and
efficient
protocol
for
the
addition
of
azodicarboxylates
(C–N
bond)
maleimides
(C–C
at
C4-position
1,2,3,4-tetrahydroacridines
was
achieved
under
metal-free
conditions
using
deep
eutectic
solvents
with
high
atom
efficiency,
regioselectivity,
yields.
Chemical Science,
Journal Year:
2024,
Volume and Issue:
15(23), P. 8850 - 8857
Published: Jan. 1, 2024
Cyclopentadienyliron(
ii
)
dicarbonyl
complexes
capable
of
coordinating
to
and
enhancing
the
acidity
a
range
unsaturated
substrates
have
emerged
as
new
class
base-metal
derived
catalysts
for
C–H
functionalization.
Organic Letters,
Journal Year:
2024,
Volume and Issue:
26(32), P. 6830 - 6834
Published: Aug. 5, 2024
A
ruthenium-catalyzed
C-H
activation
and
a
concomitant
[4+2]
annulation
of
sulfoxonium
ylide
with
maleimide
have
been
demonstrated.
This
tandem
reaction
results
in
the
formation
fused
benzo[
A
highly
practical
and
efficient
Cp*Co(
iii
)-catalyzed
regioselective
C–H
alkylation/alkenylation
of
anilides
with
maleimides
acrylates
was
developed,
during
which
a
weakly
coordinating
amide
group
functioned
as
the
directing
group.
