A Metal-Catalyzed Tunable Reaction of Ylides with Hydroxylamine Derivatives
Organic Letters,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 25, 2025
In
this
work,
a
tunable
reaction
of
metal
acyl
nitrene
with
ylides
is
reported
for
the
divergent
synthesis
enamides
and
α,α-dicarbonyl
phosphorus
ylides.
The
featured
mild
conditions,
good
efficiency,
broad
generality.
particular,
resulting
could
be
structurally
elaborated
into
potential
useful
scaffolds.
Mechanism
investigation
suggests
that
formation
was
ascribed
to
nucleophilic
substitution
ferric
sulfur
It
believed
represents
an
initial
example
preparing
from
iron-catalyzed
transfer.
Язык: Английский
Application of Lead-Free Metal Halide Perovskite Heterojunctions for the Carbohalogenation of C–C Multiple Bonds
Organic Letters,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 1, 2025
A
graphitic
carbon
nitride/lead-free
double
perovskite
heterojunction
(g-C3N4/Cs2AgBiCl6)
has
been
adopted
as
a
heterogeneous
photocatalyst
under
visible
light
irradiation.
The
employed
material
enabled
the
atom
transfer
radical
addition-type
carbohalogenation
of
multiple
C-C
bonds,
including
(internal)
alkenes
and
alkynes,
with
alkyl
halides.
protocol
showed
remarkable
functional
group
tolerance,
compatible
late-stage
functionalization
natural
pharmaceutical
derivatives,
could
be
easily
scaled
up,
delivering
>1
g
desired
products.
Язык: Английский
Photoredox/Iron Dual-Catalysis-Enabled [4 + 2] Cyclization of Acyl Nitrene with Alkynes
Organic Letters,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 13, 2024
In
this
work,
the
annulation
of
acyl
nitrene
with
alkynes
is
reported
under
photoredox/iron
dual-catalysis
for
synthesis
a
series
isoquninalin-2-ones.
The
reaction
featured
high
regioselectivity
and
good
generality.
particular,
resulting
isoquinalin-2-ones
could
be
structurally
elaborated
into
several
biologically
interesting
scaffolds.
Mechanism
investigation
suggests
that
was
ascribed
to
formal
[4
+
2]
cyclization.
It
believed
represents
an
initial
example
preparing
isoquinolin-1-ones
from
ferric
peroxyl-catalyzed
insertion.
Язык: Английский
anti-Selective Carboacylation of Alkynes via Photoredox/Nickel Dual Catalysis
Xianhua Pan,
Chang-Xin Shi,
Ya-Ping Hou
и другие.
Organic Letters,
Год журнала:
2024,
Номер
26(44), С. 9498 - 9502
Опубликована: Окт. 31, 2024
Here,
we
report
an
intermolecular
carboacylation
of
terminal
alkynes
with
tertiary
and
secondary
alkyltrifluoroborates
as
well
acyl
chlorides
via
photoredox/nickel
dual
catalysis,
affording
a
varity
stereodefined
trisubstituted
enones
in
good
to
excellent
yields
E
stereoselectivity,
through
radical
relay
process.
This
redox-neutral
protocol
exhibits
functional
group
tolerance,
exclusive
regio-
broad
compatibility
various
alkyltrifluoroborates.
Язык: Английский