We
herein
present
a
green
and
mild
photoredox
strategy
for
constructing
framework
of
benzannulated
6,5-spiroketal
glycosides.
This
method
employs
various
O-arylacetylene
glycosides
aryl
ketone
acids
as
the
starting
materials,
facilitating
rapid
straightforward
synthesis
with
up
to
92%
yields
under
catalytic
conditions.
efficient
approach
has
potential
significantly
enhance
molecular
library
carbohydrate-based
pharmaceuticals.
Green Chemistry,
Год журнала:
2022,
Номер
24(20), С. 7968 - 7973
Опубликована: Янв. 1, 2022
A
photocatalyst-
and
transition-metal-free
multicomponent
reaction
of
readily
available
aldehydes,
primary
amines
4-alkyl-1,4-dihydropyridines
for
the
synthesis
secondary
under
visible
light
irradiation
has
been
accomplished.
The Chemical Record,
Год журнала:
2023,
Номер
23(7)
Опубликована: Янв. 26, 2023
Intermolecular
cross
Rauhut-Currier
reactions
have
gained
much
importance
in
recent
years.
It
has
proved
its
through
procedures
involving
various
catalysts
and
resulting
complex
structures
with
good
regio-
as
well
stereo-
selectivity.
This
review
highlights
the
developments
of
these
reactions,
published
current
years,
both
achiral
chiral
to
give
products,
having
utilities.
In
addition,
detailed
mechanistic
studies
above-mentioned
are
also
presented.
Organic & Biomolecular Chemistry,
Год журнала:
2023,
Номер
21(35), С. 7079 - 7084
Опубликована: Янв. 1, 2023
Polychloromethylative
cyclization
of
N-alkenyl
indoles
was
developed
under
metal-free
conditions
to
afford
tricyclic
pyridoindolones
and
pyrroloindolones
in
moderate
good
yields.
In
the
reaction,
commercially
available
CHCl3
CH2Cl2
were
employed
as
tri-
dichloromethyl
radical
sources.
Moreover,
dichloromethylated
polycyclic
benzoimidazoles
can
also
be
obtained
standard
conditions.
Organic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(20), С. 5784 - 5790
Опубликована: Янв. 1, 2024
The
radical
cascade
cyclization
of
vinyl-tethered
alkenes
has
become
a
promising
tool
for
rapidly
assembling
nonbenzene-fused
cyclic
skeletons
via
the
cracking
alkenyl
C–H
bonds,
but
this
approach
been
limited
to
generate
five-membered
rings.
We
herein
present
a
green
and
mild
photoredox
strategy
for
constructing
framework
of
benzannulated
6,5-spiroketal
glycosides.
This
method
employs
various
O-arylacetylene
glycosides
aryl
ketone
acids
as
the
starting
materials,
facilitating
rapid
straightforward
synthesis
with
up
to
92%
yields
under
catalytic
conditions.
efficient
approach
has
potential
significantly
enhance
molecular
library
carbohydrate-based
pharmaceuticals.