Green Synthesis and Catalysis,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 1, 2024
A
straightforward
and
valuable
approach
for
the
synthesis
of
1,4-oxathiins
has
been
developed
via
[3
+
3]
annulation
pyridinium
1,4-zwitterionic
thiolates
with
iodonium
ylides.
C–S
C–O
bonds
were
formed
in
one
pot
manner
this
transformation,
which
features
readily
available
substrates,
excellent
tolerance
functional
groups
mild
reaction
conditions.
It
would
be
great
value
construction
biological
pharmacological
activity.
Chinese Journal of Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 10, 2024
Comprehensive
Summary
A
visible‐light‐induced
decarboxylative
radical
cascade
cyclization
reaction
between
N
‐(2‐cyanoaryl)‐acrylamides
and
alkyl
‐(acyloxy)phthalimide
(NHPI
esters)
for
the
construction
of
phenanthridine
derivatives
has
been
developed.
This
approach
utilizes
lithium
iodide
(LiI)
triphenylphosphine
(PPh
3
)
as
redox
catalysts
is
produced
through
photoactivation
electron
donor‐acceptor
(EDA)
complex.
series
primary,
secondary,
tertiary
alkyl‐substituted
phenanthridines
are
prepared
in
up
to
82%
yield
without
transition‐metal
catalysts,
chemical
oxidants,
or
metal‐/organic
dye‐based
photocatalysts.
A
straightforward
and
valuable
approach
for
the
synthesis
of
1,4-oxathiins
has
been
developed
via
[3+3]
annulation
pyridinium
1,4-zwitterionic
thiolates
with
iodonium
ylides.
C-S
C-O
bonds
were
formed
in
one
pot
manner
this
transformation,
which
features
readily
available
substrates,
excellent
tolerance
functional
groups
mild
reaction
conditions.
It
would
be
great
value
construction
biological
pharmacological
activities.
Green Synthesis and Catalysis,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 1, 2024
A
straightforward
and
valuable
approach
for
the
synthesis
of
1,4-oxathiins
has
been
developed
via
[3
+
3]
annulation
pyridinium
1,4-zwitterionic
thiolates
with
iodonium
ylides.
C–S
C–O
bonds
were
formed
in
one
pot
manner
this
transformation,
which
features
readily
available
substrates,
excellent
tolerance
functional
groups
mild
reaction
conditions.
It
would
be
great
value
construction
biological
pharmacological
activity.