Tf2O/DMSO-Promoted Umpolung Phosphorylation for C(sp2)–P or C(sp3)–P Bond Formation
The Journal of Organic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 10, 2025
We
have
developed
an
umpolung
method
utilizing
the
Tf2O/DMSO-based
system
for
C(sp2)-P
bond
or
C(sp3)-P
formation.
This
employs
both
P(O)-H
and
P(O)-OH
compounds
as
phosphorus
sources
demonstrates
excellent
compatibility
with
a
wide
range
of
Grignard
reagents.
Without
requirement
precious
transition
metals
additives,
this
one-pot
protocol
provides
practical
efficient
synthetic
pathway
to
variety
aryl
alkyl
phosphine
oxides.
The
broad
substrate
scope
diverse
applications
highlight
utility
method.
Язык: Английский
Metal-Free Electrophilic Phosphination with Soft Carbon Nucleophiles: Access to Diverse β-Ketophosphine Oxides
The Journal of Organic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Июнь 2, 2025
A
metal-free
electrophilic
phosphination
protocol
utilizing
silyl
enol
ethers
as
soft
carbon
nucleophiles
has
been
developed
under
Tf2O/DMSO-mediated
conditions.
This
approach
enables
convenient
access
to
a
diverse
range
of
β-ketophosphine
oxides
mild
reaction
The
broad
substrate
scope,
scalability,
and
potential
for
further
synthetic
applications
highlight
the
practical
utility
this
method.
development
method
also
expands
scope
umpolung
strategies.
Язык: Английский
31P Nuclear Magnetic Resonance Spectroscopy for Monitoring Organic Reactions and Organic Compounds
The Chemical Record,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 5, 2024
Abstract
31
P
NMR
spectroscopy
is
a
consolidated
tool
for
the
characterization
of
organophosphorus
compounds
and,
more
recently,
reaction
monitoring.
The
evolution
organic
synthesis,
mainly
due
to
combination
elaborated
building
blocks
with
enabling
technologies,
generated
great
challenges
understand
and
optimize
synthetic
methodologies.
In
this
sense,
experiments
also
became
routine
technique
monitoring,
accessing
products
side
yields,
chiral
recognition,
kinetic
data,
intermediates,
as
well
basic
parameters,
such
acid‐base
hydrogen‐bonding.
This
review
deals
these
aspects
demonstrating
essential
role
spectroscopy.
recent
publications
(the
last
ten
years)
will
be
explored,
discussing
strategies
accomplished
detect
and/or
quantify
distinct
molecules,
approaching
mechanism,
stability,
stereochemistry,
utility
probe.
Язык: Английский