Synthesis,
Journal Year:
2023,
Volume and Issue:
55(13), P. 2091 - 2098
Published: Feb. 14, 2023
Abstract
A
novel
and
efficient
visible-light-induced
method
is
developed
for
the
one-pot
synthesis
of
functionalized
2-aminothiazoles
from
easily
accessible
active
methylene
ketone
derivatives
different
thioureas
at
room
temperature.
The
mild
reaction
conditions,
green
chemistry,
straightforward
work-up,
high
yields
products
make
this
procedure
useful
construction
2-aminothiazole
derivatives.
Green Chemistry,
Journal Year:
2023,
Volume and Issue:
25(20), P. 7983 - 7987
Published: Jan. 1, 2023
An
atom-
and
step-economical,
efficient
eco-friendly
method
for
constructing
naphthoselenazol-2-amines
through
a
visible-light
photocatalytic
multi-component
reaction
under
aqueous
phase
conditions
is
reported.
Green Chemistry,
Journal Year:
2023,
Volume and Issue:
25(3), P. 986 - 992
Published: Jan. 1, 2023
This
study
describes
a
green
and
novel
multi-component
reaction
for
direct
perfluoroalkylation/heteroarylation
of
[1.1.1]propellane
with
heteroarenes
perfluoroalkyl
iodines
to
diverse
bicyclo[1.1.1]pentanes
(BCPs).
Green Chemistry,
Journal Year:
2023,
Volume and Issue:
25(5), P. 1975 - 1981
Published: Jan. 1, 2023
This
study
describes
a
green
and
sustainable
photoinduced
strategy
for
decarboxylative
C–H
(amino)alkylation
of
heteroarenes
with
carboxylic
acids
under
metal-
photosensitizer-free
conditions.
The Journal of Organic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 9, 2025
In
this
study,
a
novel
approach
that
combines
photoinduced
electron
transfer
(ET)
with
hydrogen
atom
(HAT)
has
been
introduced
for
the
selective
β-C(sp3)–H
pyridination
of
carbonyl
compounds.
This
method
is
notable
its
absence
transition
metals
and
ability
to
function
under
benign
reaction
conditions,
resulting
in
range
pyridinated
derivatives
consistently
moderate
good
yields.
The
significance
technique
further
underscored
by
potential
late-stage
functionalization
pharmaceutically
significant
molecules.
Mechanistic
investigations
confirmed
proceeds
via
radical-mediated
pathway.
Organic Chemistry Frontiers,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Herein,
an
environmentally
friendly
methodology
has
been
established
for
the
photoelectrochemical
chlorination
of
C(sp
2
)–H
bonds
in
quinolinone
derivatives
using
PVC
plastic
waste
as
chlorine
source.
European Journal of Organic Chemistry,
Journal Year:
2023,
Volume and Issue:
unknown
Published: Sept. 11, 2023
Abstract
The
multicomponent
reactions
of
quinoxalin‐2(1
H
)‐ones
has
attracted
considerable
interest
due
to
their
significant
biological
and
chemical
activities.
very
recent
advances
(from
2021
the
beginning
2023)
on
radical
three‐component
cascade
reaction
)‐one
derivatives
at
C3
position
were
summarized
in
this
mini‐review.
According
kind
types
involved,
some
representative
examples
detailed
mechanism
have
been
categorized
discussed.
red
front
was
covered
by
Figure
1.
Organic Letters,
Journal Year:
2023,
Volume and Issue:
25(11), P. 1994 - 1998
Published: March 15, 2023
Herein,
we
report
a
mild
and
practical
protocol
for
the
α-perchloroalkyl
β-heteroarylation
of
alkenes
using
available
chloroform
as
dichloromethyl
source
via
α-amino
radical-mediated
halogen-atom
transfer.
Various
substrates
are
compatible
under
reaction
conditions,
providing
corresponding
products
in
moderate
to
good
yields.
This
strategy
gives
an
efficient
convenient
method
introduction
chloroalkyl
motifs
into
N-heteroarenes.
The
control
experiment
demonstrates
that
radical
generated
situ
is
key
intermediate
transformation.
Molecules,
Journal Year:
2023,
Volume and Issue:
28(6), P. 2513 - 2513
Published: March 9, 2023
The
direct
C-H
multifunctionalization
of
quinoxalin-2(1H)-ones
via
multicomponent
reactions
has
attracted
considerable
interest
due
to
their
diverse
biological
activities
and
chemical
profile.
This
review
will
focus
on
recent
achievements.
It
mainly
covers
reaction
methods
for
the
simultaneous
introduction
C-C
bonds
C-RF/C/O/N/Cl/S/D
into
mechanisms.
Meanwhile,
future
developments
multi-component
are
envisaged,
such
as
construction
C-B/SI/P/F/I/SE
through
reactions;
fused
ring
macrocyclic
compounds;
asymmetric
synthesis;
green
chemistry;
bionic
structures
other
fields.
aim
is
enrich
at
C3
position,
which
have
rich
applications
in
materials
chemistry
pharmaceutical
pharmacology.
Advanced Synthesis & Catalysis,
Journal Year:
2021,
Volume and Issue:
364(4), P. 766 - 772
Published: Nov. 24, 2021
Abstract
A
self‐photocatalyzed
sulfonylation/cyclization
of
quinazolinones
containing
unactivated
alkenes
with
various
sulfonyl
chlorides
was
developed.
The
protocol
provides
access
to
radicals
via
energy
transfer
from
the
quinazolinone
skeleton
chloride.
Notably,
transformations
proceeded
without
any
external
photocatalysts,
additives,
or
oxidants,
providing
an
alternative
method
for
fabricating
sulfonylated
compounds.
magnified
image
Organic Chemistry Frontiers,
Journal Year:
2022,
Volume and Issue:
9(10), P. 2728 - 2733
Published: Jan. 1, 2022
A
tetrabutylammonium
decatungstate
(TBADT)-photocatalyzed
direct
coupling
of
inert
alkanes
and
quinoxalin-2(1
H
)-ones
with
2
evolution
was
developed
at
room
temperature.