Reductive Coupling of P(O)–H Compounds and Aldehydes for the General Synthesis of Phosphines and Phosphine Oxides
The Journal of Organic Chemistry,
Год журнала:
2024,
Номер
89(7), С. 5109 - 5117
Опубликована: Март 14, 2024
A
novel
strategy
for
the
selective
construction
of
a
C(sp3)–P(III)
or
−P(V)
bond
from
>P(O)–H
compounds
and
aldehydes
is
disclosed.
By
using
H3PO3/I2
system,
various
secondary
phosphine
oxides
could
react
with
both
aromatic
aliphatic
to
afford
valuable
phosphines
(isolated
as
sulfides)
in
good
yields.
This
method
features
wide
substrate
scope
simple
reaction
conditions
avoids
use
toxic
halides
metals.
Язык: Английский
Ligand-Free Iron-Catalyzed Construction of C–P Bonds via Phosphorylation of Alcohols: Synthesis of Phosphine Oxides and Phosphine Compounds
Liguang Gan,
Changxu Ye,
T.-W. Pi
и другие.
The Journal of Organic Chemistry,
Год журнала:
2024,
Номер
89(10), С. 7047 - 7057
Опубликована: Апрель 26, 2024
An
efficient
method
for
the
construction
of
C–P(V)
and
C–P(III)
bonds
via
iron-catalyzed
phosphorylation
alcohols
under
ligand-free
conditions
is
disclosed.
This
strategy
represents
a
straightforward
process
to
prepare
series
phosphine
oxides
compounds
in
good
excellent
yields
from
readily
available
P–H
compounds.
A
plausible
mechanism
also
proposed.
We
anticipate
that
this
mode
transforming
simple
would
apply
chemical
synthesis
widely.
Язык: Английский
Pd-Catalyzed Decarbonylative sp2 C–H Arylation: Construction of Five- and Six-Membered (Hetero)Cyclic Compounds
Organic Letters,
Год журнала:
2024,
Номер
26(22), С. 4660 - 4665
Опубликована: Май 24, 2024
The
cyclic
compounds
have
wide
applications
in
the
design
and
synthesis
of
drugs
materials;
thus,
their
efficient
construction
attracts
much
attention
from
synthetic
community.
In
this
letter,
we
report
an
method
for
preparing
starting
readily
available
carboxylic
acids.
This
reaction
takes
place
through
intramolecular
decarbonylative
sp2
C–H
arylation,
enabling
a
range
five-
six-membered
compounds.
Both
carbo-
heterocycles
can
be
produced
under
conditions.
Moreover,
features
substrate
scope
with
high
functional
group
tolerance.
scale-up
experiments
also
show
its
practicality
organic
synthesis.
Those
experimental
results
indicate
that
would
find
Язык: Английский
CuH-Catalyzed Reductive Coupling of Nitroarenes with Phosphine Oxides for the Direct Synthesis of Phosphamides
The Journal of Organic Chemistry,
Год журнала:
2024,
Номер
89(11), С. 7848 - 7858
Опубликована: Май 29, 2024
A
CuH-catalyzed
reductive
coupling
of
nitroarenes
with
phosphine
oxides
is
developed,
which
produces
a
series
phosphamides
in
moderate
to
excellent
yields
good
functional
group
tolerance.
Gram-scale
synthesis
and
late-stage
modification
nitro-aromatic
molecule
niclosamide
are
also
successfully
conducted.
The
mechanism
study
shows
that
the
nitro
transformed
after
being
reduced
nitroso
nucleophilic
addition
procedure
involved
during
reaction.
Язык: Английский
Deoxygenative Functionalizations of Aromatic Dicarbonyls and Aldehydes
Bulletin of the Chemical Society of Japan,
Год журнала:
2024,
Номер
97(7)
Опубликована: Июль 1, 2024
Abstract
In
this
study,
we
developed
a
method
to
synthesize
deoxygenative
functionalized
products
by
reacting
aromatic
dicarbonyls
with
DBU,
TMSOTf,
diphenylphosphine
oxide,
and
range
of
nucleophiles.
Moreover,
demonstrated
that
sequential
application
phospha-Brook
rearrangement
benzylic
substitution
conditions
aldehydes
affords
the
effectively.
With
highly
nucleophilic
reagents,
it
was
possible
proceed
functionalization
without
TMSOTf.
Язык: Английский
Selective Synthesis of Mono- and Bis-Phosphorylated (Dihydro)pyrans via TMSCl-Mediated Cascade Phosphorylation Cycloisomerization of Enynones
Organic Letters,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 26, 2024
A
chlorotrimethylsilane
(TMSCl)-mediated
cascade
phosphorylation
and
cycloisomerization
of
enynones
with
diphenylphosphine
oxides
is
presented.
This
methodology
enables
the
highly
selective
synthesis
monophosphorylated
2
Язык: Английский
High-throughput experimentation and machine learning-promoted synthesis of α-phosphoryloxy ketones via Ru-catalyzed P(O)O-H insertion reactions of sulfoxonium ylides
Science China Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 10, 2024
Язык: Английский
Palladium-Catalyzed Decarbonylative Annulation of 2-Arylbenzoic Acids with Internal Alkynes toward Phenanthrenes
The Journal of Organic Chemistry,
Год журнала:
2023,
Номер
88(17), С. 12808 - 12815
Опубликована: Авг. 17, 2023
A
palladium-catalyzed
decarbonylative
annulation
of
2-arylbenzoic
acids
with
internal
alkynes
via
C(sp2)-H
activation
has
been
developed.
series
phenanthrenes
were
produced
in
moderate
to
good
yield
functional
group
tolerance.
The
mechanism
study
indicated
that
the
should
be
rate-determining
step
during
reaction.
Язык: Английский
Synthesis of acyl fluorides through deoxyfluorination of carboxylic acids
Organic & Biomolecular Chemistry,
Год журнала:
2023,
Номер
21(47), С. 9372 - 9378
Опубликована: Янв. 1, 2023
A
direct
deoxyfluorination
of
carboxylic
acids
by
utilizing
inorganic
potassium
fluoride
(KF)
as
a
safe
and
inexpensive
source
has
been
developed.
Both
aryl
cinnamyl
could
be
efficiently
transformed
into
valuable
acyl
fluorides
in
moderate
to
high
yields
with
good
functional
group
tolerance.
scale-up
reaction
carried
out
smoothly
under
solvent-free
conditions,
which
further
demonstrated
the
practicality
this
organic
synthesis.
Язык: Английский
Highly Efficient Esterification of Carboxylic Acids with O-H Nucleophiles through Acid/Iodide Cooperative Catalysis
Organic & Biomolecular Chemistry,
Год журнала:
2024,
Номер
22(30), С. 6181 - 6188
Опубликована: Янв. 1, 2024
The
esterification
of
carboxylic
acids
is
an
important
reaction
for
preparing
esters
which
find
wide
applications
in
various
research
fields.
In
this
manuscript,
we
report
acid/iodide
cooperative
catalytic
method
enables
highly
efficient
with
a
range
equivalent
O-H
nucleophiles
including
both
alcohols
and
weak
nucleophilic
phenols.
Under
the
conditions,
aromatic
aliphatic
those
bearing
functional
groups
work
well,
furnishing
corresponding
good
to
high
yields.
Moreover,
scalable
applicable
modification
bioactive
molecules.
These
results
demonstrate
synthetic
value
new
organic
synthesis.
Язык: Английский