Organic Letters,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 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
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(22)
Published: March 22, 2024
Abstract
The
use
of
gem
‐difluorinated
cyclopropanes
(
‐DFCPs)
as
fluoroallyl
surrogates
under
transition‐metal
catalysis
has
drawn
considerable
attention
recently
but
such
reactions
are
restricted
to
producing
achiral
or
racemic
mono‐fluoroalkenes.
Herein,
we
report
the
first
enantioselective
allylation
indoles
rhodium
with
‐DFCPs.
This
reaction
shows
exceptional
branched
regioselectivity
towards
‐DFCPs,
which
provides
an
efficient
route
enantioenriched
fluoroallylated
wide
substrate
scope
and
good
functional
group
tolerance.
Organic Letters,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 27, 2024
We
present
a
novel
set
of
frustrated
Lewis
pair
(FLP)
systems
that
exhibit
remarkable
ability
to
promote
the
ring
opening
donor-acceptor
cyclopropanes
(DACs).
This
FLP-promoted
protocol
offers
umpolung
reactivity
R
Chemistry - A European Journal,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 5, 2024
Abstract
A
cascade
phosphorylation
cycloisomerization
of
readily
accessible
ynones
and
diphenylphosphine
oxides
facilitated
by
potassium
phosphate
is
described,
allowing
for
the
straightforward
synthesis
C4‐phosphorylated
quinoline
scaffolds.
The
formation
a
C−P
bond
C−N
achieved
in
single
procedure
without
need
pre‐assembled
cores
prior
to
phosphorylation.
This
transformation
operates
requirement
metals
or
oxidants
exhibits
excellent
compatibility
with
various
functional
groups.
Furthermore,
antimicrobial
activity
evaluation
demonstrated
that
synthesized
derivatives
exhibited
potent
inhibitory
against
Staphylococcus
aureus.