ACS Catalysis,
Год журнала:
2023,
Номер
13(11), С. 7310 - 7321
Опубликована: Май 15, 2023
Anilines
are
important
moieties
in
organic
chemistry,
pharmaceuticals,
and
materials
science.
Although
para-selective
functionalization
of
anilides
tertiary
anilines
is
well
established,
unprotected
have
posed
a
challenge.
Herein,
we
report
visible-light-mediated
Ru(II)-catalyzed
para-alkylation
anilines.
The
distinct
Ru(II)–aniline
complex
enabled
the
reaction
to
proceed
with
extremely
high
efficiency
(2
h)
under
mild
conditions.
good
functional
group
tolerance
allowed
late-stage
even
aggregation-induced
emission
luminogen
labeling
natural
products
drugs.
A
mechanistic
investigation
suggests
that
crucial
for
both
triggering
controlling
para-selectivity.
Chemical Society Reviews,
Год журнала:
2022,
Номер
51(19), С. 8351 - 8377
Опубликована: Янв. 1, 2022
This
review
focuses
on
nickel-catalyzed
construction
and
transformation
of
various
sulfide-containing
compounds,
such
as
sulfides,
disulfides,
hypervalent
sulfur-containing
compounds.
Chemical Society Reviews,
Год журнала:
2022,
Номер
51(15), С. 6774 - 6823
Опубликована: Янв. 1, 2022
Sulfones
are
excellent
candidates
for
the
design
of
new
C–C
and
C–X
bond-forming
reactions
owing
to
easy
activation
C–S
bonds.
This
review
focuses
on
challenges
recent
opportunities
catalytic
functionalization
sulfones.
Langmuir,
Год журнала:
2022,
Номер
38(28), С. 8708 - 8718
Опубликована: Июль 1, 2022
This
study
demonstrates
a
simple
and
fast
method
to
integrate
superhydrophobicity,
UV
protection,
photothermal
effect
onto
PET
fabrics.
The
surface
of
fabric
forms
hierarchical
rough
structure
through
in
situ
oxidative
polymerization
the
pyrrole
(Py).
1,4-conjugate
addition
reaction
between
pentaerythritol
tetraacrylate,
3-aminopropyltriethoxysilane,
octadecyl
acrylate
not
only
endows
with
superhydrophobicity
but
also
cross-linked
network
which
improves
stability
multifunctional
coatings
on
fabric.
In
addition,
wettability
prepared
is
investigated
by
adjusting
Py
monomer
concentration.
results
reveal
that
fabrics
exhibit
obviously
superhydrophobic
behavior
contact
angle
155.8°.
temperature
PPy/PET
can
rise
91
°C
under
simulated
sunlight
much
higher
than
pristine
fabric,
while
reaching
basically
same
steady-state
five
heating/cooling
cycles.
possesses
excellent
self-cleaning,
shielding,
solar
light
absorption
performances.
Furthermore,
exhibited
against
180
high
temperature,
strong
radiation,
different
pH
solutions
organic
solvent
erosion,
8
h
washing
tests,
25
sandpaper
abrasion
These
findings
provide
path
for
future
development
using
fluorine-free
environmentally
friendly
materials.
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
62(38)
Опубликована: Июнь 7, 2023
Glycosyl
radical
functionalization
is
one
of
the
central
topics
in
synthetic
carbohydrate
chemistry.
Recent
advances
metal-catalyzed
cross-coupling
chemistry
and
metallaphotoredox
catalysis
provided
powerful
platforms
for
glycosyl
diversification.
In
particular,
discovery
new
precursors
conjunction
with
these
advanced
reaction
technologies
have
significantly
expanded
space
compound
synthesis.
this
Review,
we
highlight
most
recent
progress
area
starting
from
2021,
reports
included
will
be
categorized
based
on
different
types
better
clarity.
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
62(18)
Опубликована: Март 7, 2023
Stereoselective
C-glycosylation
reactions
are
increasingly
gaining
attention
in
carbohydrate
chemistry
because
they
enable
glycosyl
precursors,
readily
accessible
as
anomeric
mixtures,
to
converge
a
single
diastereomeric
product.
However,
controlling
the
stereochemical
outcome
through
transition-metal
catalysis
remains
challenging,
and
methods
that
leverage
bench-stable
heteroaryl
sulfone
donors
facilitate
glycosylation
rare.
Herein,
we
show
two
complementary
nonprecious
metal
catalytic
systems,
based
on
iron
or
nickel,
which
capable
of
promoting
efficient
C-C
coupling
between
sulfones
aromatic
nucleophiles
electrophiles
distinct
mechanisms
modes
activation.
Diverse
C-aryl
glycosides
were
secured
with
excellent
selectivity,
scope,
functional-group
compatibility,
reliable
access
both
α
β
isomers
was
possible
for
key
sugar
residues.
Chemical Communications,
Год журнала:
2023,
Номер
59(36), С. 5343 - 5364
Опубликована: Янв. 1, 2023
The
activation
and
transformation
of
organic
chemical
bonds
is
a
fundamental
scientific
problem.
In
the
past
several
decades,
C-S
bond
cleavage
for
construction
C-C
C-heteroatom
has
received
tremendous
attention
in
chemistry.
Although
significant
progress
been
made
field
transition
metal
strategies,
variety
novel
transition-metal-free
strategies
have
also
developed
using
halogenated
reagents,
oxidants,
acids,
bases.
Moreover,
photochemical
electrochemical
methods
to
achieve
organosulfur
compounds.
To
date,
however,
no
comprehensive
review
reported.
Therefore,
we
herein
provide
major
advances
compounds,
including
thioethers,
sulfoxides,
sulfones,
thioacetals,
sulfonium
salts,
sulfur
ylides.
ACS Catalysis,
Год журнала:
2024,
Номер
14(5), С. 3725 - 3732
Опубликована: Фев. 21, 2024
The
chiral
allylic
sulfonylated
group
is
a
unique
structural
motif
embedded
in
range
of
natural
products
and
pharmaceuticals.
Notably,
the
synthesis
structurally
diverse
derivatives
via
alkylsulfonylation
1,3-dienes
remains
underexplored
because
its
inherent
challenges
stereocontrol
regioselectivity.
Herein,
photoinduced,
palladium-catalyzed
enantioselective
1,2-alkylsulfonylation
conjugated
described.
A
wide
variety
alkyl
bromides,
1,3-dienes,
sodium
sulfinates
could
be
facilely
coupled
to
generate
value-added
with
high
enantioselectivity.
Finally,
utility
this
difunctionalization
protocol
was
demonstrated
pharmaceutical
analogue
synthesis.
Journal of the American Chemical Society,
Год журнала:
2022,
Номер
144(32), С. 14463 - 14470
Опубликована: Авг. 1, 2022
Herein,
we
report
a
method
for
C3-selective
C–H
tri-
and
difluoromethylthiolation
of
pyridines.
The
relies
on
borane-catalyzed
pyridine
hydroboration
generation
nucleophilic
dihydropyridines;
these
intermediates
react
with
trifluoromethylthio
difluoromethylthio
electrophiles
to
form
functionalized
dihydropyridines,
which
then
undergo
oxidative
aromatization.
can
be
used
late-stage
functionalization
drugs
the
new
drug
candidates.
