Transition metal-free thiophene construction in pure water by multiplied C-H functionalization with enaminones and elemental sulfur
Green Synthesis and Catalysis,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 1, 2024
Язык: Английский
Theoretical Studies of Molecular Reactions at the Air–Water Interface: Recent Progress and Perspective
Wiley Interdisciplinary Reviews Computational Molecular Science,
Год журнала:
2025,
Номер
15(3)
Опубликована: Май 1, 2025
ABSTRACT
Water
microdroplets
have
been
shown
to
possess
unique
properties.
For
instance,
compared
bulk
water,
can
accelerate
chemical
reactions
by
several
orders
of
magnitude
and
trigger
that
cannot
occur
in
water.
These
phenomena
generated
significant
interest
various
fields
like
atmospheric
science,
green
synthesis,
materials
preparation.
properties
are
associated
with
at
the
air–water
interface;
however,
underlying
mechanisms
remain
unclear.
Studying
microscopic
details
interface
remains
a
substantial
experimental
challenge.
Meanwhile,
molecular
dynamics
(MD)
simulations
related
computational
methods
provide
powerful
tools
for
studying
interface.
This
review
aims
summarize
processes
from
perspective
theoretical
simulations.
First,
we
discuss
physical
Subsequently,
systematically
introduce
simulation
strategies
four
categories
interfacial
reactions:
(a)
near‐barrierless
reactions,
(b)
some
energy
barriers,
(c)
employing
high‐level
quantum
methods,
(d)
photochemical
reactions.
Finally,
focus
on
simulating
thermal
interface,
particular
emphasis
chemistry.
The
discussed
involve
Criegee
intermediates,
nitrogen‐containing
compounds,
chlorine‐containing
while
include
H
2
O
phenol.
results
here
enable
an
improved
understanding
as
well
processes.
Язык: Английский
Palladium complexes of N,O‐bidentate ligands bearing N‐oxide units as simple and efficient catalysts for Suzuki–Miyaura reaction of aryl halides with arylboronic acids
Applied Organometallic Chemistry,
Год журнала:
2024,
Номер
38(7)
Опубликована: Май 16, 2024
Palladium‐catalyzed
Suzuki–Miyaura
reaction
is
an
important
synthetic
strategy
for
the
synthesis
of
biaryl
compounds.
This
work
describes
that
palladium
complexes
with
N,O‐bidentate
ligands
bearing
N‐oxide
units
from
cyclic
secondary
amines
were
used
as
highly
efficient
catalysts
reactions
aryl
halides
arylboronic
acids.
The
exhibited
good
functional
group
compatibility,
high
yields,
and
mild
conditions.
More
importantly,
these
N,O‐coordinated
could
be
easily
prepared
displayed
excellent
catalytic
performance
this
classic
C
sp2
–C
coupling
in
very
short
time.
Язык: Английский
From Aldehyde to Ketone via Water‐Accelerated Molybdenum‐Photocatalysis
ChemCatChem,
Год журнала:
2024,
Номер
16(21)
Опубликована: Июль 16, 2024
Abstract
The
efficient
“on
water”
protocol
was
developed
by
employing
molybdenum‐based
polyoxometalate
[N(C
4
H
9
)
]
2
[Mo
6
O
19
as
the
photocatalyst.
This
water‐accelerated
photoinduced
process
affords
versatile
ketones
from
aldehydes
straightforwardly,
showcasing
exceptional
substrate
generality.
Its
applicability
to
life‐related
molecules
such
amino
acids,
peptides,
and
sugars,
further
demonstrates
its
potential
for
bioorthogonal
application.
mechanistic
investigation
highlights
hydrogen
atom
transfer
(HAT)
between
excited‐state
POM
benzaldehyde
acyl
radical
formation.
highly
reactive
is
readily
trapped
Michael
acceptor,
thereby
enabling
subsequent
C−H
functionalization.
Highly
gram‐scale
flow
operation
underlines
industrial
of
this
transformative
strategy.
Язык: Английский
Boosting catalytic activity of π-π interactions-stabilized PdNPs for water-mediated Suzuki couplings of aryl chlorides
Surfaces and Interfaces,
Год журнала:
2024,
Номер
55, С. 105313 - 105313
Опубликована: Окт. 22, 2024
Язык: Английский
Manganese(I)-Catalyzed C–H Allylation of Tryptophans and Their Oligopeptides On Water
Synlett,
Год журнала:
2024,
Номер
35(08), С. 903 - 907
Опубликована: Фев. 14, 2024
Abstract
The
manganese(I)-catalyzed
allylation
of
the
amino
acid
tryptophan
is
realized
under
exceedingly
mild
conditions
using
water
as
a
sustainable
and
non-hazardous
reaction
medium,
instead
classical
organic
solvents,
with
great
potential
for
green
chemistry.
Synthetically
useful
α,β-unsaturated
esters
can
be
accessed
by
Morita–Baylis–Hillman
(MBH)
adducts
following
fast
C–H
activation
approach.
robustness
this
procedure
reflected
kinetic
analysis
at
different
temperatures
reduced
catalyst
loadings
are
employed.
Язык: Английский