Current Organic Synthesis,
Journal Year:
2023,
Volume and Issue:
21(8), P. 965 - 975
Published: Aug. 29, 2023
Abstract:
Visible
light-induced
reactions
are
a
rapidly
developing
and
powerful
technique
to
pro-mote
organic
transformations.
They
provide
green
sustainable
chemistry
have
recently
re-ceived
increasing
attention
from
chemists
due
their
wide
application
in
synthesis.
Light
energy
is
eco-friendly,
cheap,
green,
inexhaustible
with
potential
industrial
pharmaceutical
applications.
In
this
review,
the
most
recent
advances
visible
(2021-till
date)
been
highlighted.
Green Chemistry,
Journal Year:
2023,
Volume and Issue:
25(14), P. 5539 - 5542
Published: Jan. 1, 2023
With
formaldehyde
as
an
atom-economical
carbonyl
synthon,
the
EtOH-catalyzed
electrochemical
multicomponent
synthesis
of
various
imidazolidine-fused
sulfamidates
under
organic
oxidant-free,
energy-saving
and
mild
conditions
was
developed.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(72), P. 9645 - 9658
Published: Jan. 1, 2024
This
highlight
article
summarizes
the
complete
development
of
photodecarboxylative
functionalization
free
carboxylic
acids
via
a
concerted
single
electron
transfer
(SET)
or
energy
(ET)
pathways.
The Journal of Organic Chemistry,
Journal Year:
2023,
Volume and Issue:
88(24), P. 17249 - 17256
Published: Dec. 7, 2023
Photoinduced
decarbonylative
C-C
bond
formation
with
readily
accessible
aldehydes
as
alkyl
sources
is
described.
This
protocol
provides
a
sustainable
alternative
for
the
effective
construction
of
diverse
valuable
4-alkylated
sulfonyl
ketimines
under
metal-
and
photosensitizer-free
conditions.
Significantly,
in
this
reaction,
air
serves
green
oxidant,
cyclic
sulfamidate
imines
play
dual
role
substrate
photocatalyst,
thus
affording
concise
reaction
system
C-H
alkylation
imines.
Organic Letters,
Journal Year:
2023,
Volume and Issue:
25(41), P. 7512 - 7517
Published: Oct. 9, 2023
A
facile
approach
toward
chromenopyrrolidines
was
achieved
under
mild
conditions
via
organophotocatalyzed
aerobic
decarboxylative
[2
+
2
1]
annulation
of
chromones
with
N-arylglycines,
in
which
N-arylglycines
perform
dual
roles
(i.e.,
radical
precursor
and
methylene
provider).
Mechanistic
studies
suggested
that
a
Giese-type
addition
consequent
Mannich
pathway
were
likely
responsible
for
the
reaction.
The Journal of Organic Chemistry,
Journal Year:
2023,
Volume and Issue:
88(22), P. 15805 - 15816
Published: Oct. 31, 2023
An
Et3N-catalyzed
cascade
[3
+
2]-annulation
of
β-oxo-acrylamides
with
cyclic
N-sulfonyl
ketimines
or
sulfamate-derived
imines
is
developed
under
mild
reaction
conditions,
which
provides
a
concise
and
efficient
route
to
access
valuable
sultam-
sulfamidate-fused
imidazolidinone
derivatives
in
good
excellent
yields
(80–95%
yields)
diastereoselectivities
(>20:1
drs).
The
current
protocol
features
atom
economy,
transition-metal-free
process,
broad
functional
group
tolerance.
Moreover,
the
asymmetric
variant
2]-cycloaddition
was
achieved
presence
diphenylethanediamine
quinine-based
bifunctional
squaramide
organocatalysts
C-1
C-11,
giving
corresponding
chiral
polycyclic
imidazolidinones
68–90%
25–94%
ees
>20:1
drs
all
cases.
Organic Chemistry Frontiers,
Journal Year:
2023,
Volume and Issue:
11(3), P. 796 - 801
Published: Dec. 5, 2023
A
straightforward
and
practical
strategy
for
decarboxylphosphatization
of
N
-aryl
glycines
to
access
α-amino
phosphine
oxides,
enabled
by
visible-light
photoredox
catalysis
in
the
absence
metal,
base,
has
been
described.
