Copper-Catalyzed Sulfur Alkylation of Sulfenamides with N-Sulfonylhydrazones
Organic Letters,
Год журнала:
2024,
Номер
26(18), С. 3906 - 3910
Опубликована: Апрель 29, 2024
Sulfilimines
are
valuable
compounds
in
both
organic
synthesis
and
pharmaceuticals.
In
this
study,
we
present
a
copper-catalyzed
sulfur
alkylation
of
sulfenamides
with
Язык: Английский
Regulating the coordination microenvironment of zinc single-atom catalysts to enhance intramolecular hydroamination performance
Inorganic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(14), С. 4207 - 4218
Опубликована: Янв. 1, 2024
The
Zn–N
2
P
site,
engineered
with
optimal
electron
density,
demonstrates
superior
performance
and
enhanced
reaction
kinetics
in
the
intramolecular
hydroamination
of
o
-alkynylaniline,
outperforming
current
heterogeneous
transition
metal
catalysts.
Язык: Английский
Biomass‐Derived Cu‐Catalyzed General C—X (X = C, N, O) Bond Formation: Carbenoid Insertion Reactions of C—H, N—H, O—H Bond and Late‐stage Functionalization of Drug Molecules†
Chinese Journal of Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 7, 2025
Comprehensive
Summary
The
development
of
sustainable
and
efficient
catalytic
systems
for
the
formation
C—C,
C—N,
C—O
bonds
is
a
fundamental
goal
in
modern
synthetic
chemistry.
We
present
biomass‐derived
Cu/Chitosan‐800
catalyst
that
facilitates
range
carbenoid
insertion
reactions
into
C—H,
N—H,
O—H
bonds.
This
demonstrates
remarkable
activity,
enabling
functionalization
diverse
substrates,
including
late‐stage
modification
drug
molecules
with
up
to
95%
yield
good
recyclability.
Our
findings
highlight
catalyst's
potential
advancing
environmentally
friendly
chemical
transformations,
offering
promising
tool
pharmaceutical
synthesis
organic
synthesis.
Язык: Английский
Low-coordinated single-atom Cu and enhanced charge transfer from Cu-N to TiO2 on Cu1/CN/TiO2 for efficient Sonogashira cross-coupling
Chem Catalysis,
Год журнала:
2025,
Номер
unknown, С. 101290 - 101290
Опубликована: Фев. 1, 2025
Язык: Английский
Photoinduced Diazo Carbene-Promoted C(sp3)–H Oxidative Cross-Coupling Reaction for α-Triazolation of Isochromans
The Journal of Organic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 17, 2025
A
photocatalytic
diazo
triplet
carbene-promoted
C(sp3)–H
oxidative
coupling
of
isochromans
and
triazoles
was
developed
in
up
to
83%
yield
at
room
temperature
air.
The
radical-like
carbenes
were
used
as
efficient
HAT
acceptors,
the
possible
synergistic
enabled
unprecedented
process
with
a
high
regioselectivity.
Язык: Английский
Unique Coordination Structure of Mo Species on MSilicalite-1 Robustly Boosting the Reaction Activity of Oxidative Dehydrogenative Coupling of Alcohols with Aromatic Diamines
Industrial & Engineering Chemistry Research,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 26, 2025
Язык: Английский
Visible Light Induced B–H Bond Insertion Reaction with Diazo Compounds
The Journal of Organic Chemistry,
Год журнала:
2024,
Номер
89(17), С. 12583 - 12590
Опубликована: Авг. 19, 2024
A
protocol
induced
by
visible
light
for
the
direct
insertion
of
α-carbonyl
carbenes
into
B–H
bond
amine-borane
adducts
has
been
developed
under
conditions
that
are
free
metal
and
photocatalyst.
This
approach
provides
a
straightforward
route
to
various
organoboron
compounds
from
diazo
with
moderate
good
yields.
Mechanistic
investigations
reveal
this
photoinduced
reaction
proceeds
through
concerted
carbene
bond,
generation
α-diazo
esters
may
be
rate-determining
step.
Язык: Английский
Dealuminated H–Y zeolites generate, stabilize and catalytically insert carbenes from diazocarbonyl compounds
Journal of Catalysis,
Год журнала:
2024,
Номер
440, С. 115835 - 115835
Опубликована: Ноя. 8, 2024
Язык: Английский
Synthesis of α-ketoamides via oxidative amidation of Diazo Compounds with O-benzoyl hydroxylamines as Nitrogen Source and Oxidant
Organic & Biomolecular Chemistry,
Год журнала:
2024,
Номер
22(33), С. 6708 - 6712
Опубликована: Янв. 1, 2024
An
efficient
method
for
the
construction
of
an
array
α-ketoamides
has
been
described
from
readily
available
O
-benzoyl
hydroxylamines
and
diazo
compounds
as
starting
materials
by
combined
use
CuI
a
catalyst
H
2
oxygen
source.
Язык: Английский
Access to syn α‐Amino‐β‐Hydroxyesters by N‐H Insertion on O‐Protected α‐Diazo‐β‐Hydroxyesters.
Asian Journal of Organic Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 13, 2024
Abstract
The
N−H
insertion
reaction
is
a
versatile
method
for
creating
C−N
bonds
under
mild
conditions,
providing
in
particular
an
efficient
access
to
both
natural
and
non‐natural
α‐amino
acid
derivatives.
In
this
field,
the
direct
on
α‐diazo‐β‐hydroxyesters
has
not
yet
been
investigated
constitutes
significant
challenge,
due
competitive
migration
processes.
We
report
herein
first
insertions
O
‐protected
α‐diazo‐β‐aryl‐β‐hydroxyesters,
enabling
synthesize
wide
range
of
α‐amino‐β‐hydroxyesters
by
tuning
nature
amine
aryl
substituent.
Overall,
28
products
have
isolated,
with
moderate
good
yields
most
cases,
diastereoisomeric
ratios
up
8.0
:
1
favor
syn
diastereoisomer.
Язык: Английский