Mini-Reviews in Organic Chemistry,
Journal Year:
2022,
Volume and Issue:
20(3), P. 285 - 308
Published: May 11, 2022
Abstract:
Compounds
containing
a
C=N
moiety,
namely
imines,
have
been
widely
used
for
industrial
purposes
due
to
their
various
biological
activities.
Cyclic
imines
are
an
essential
class
of
nitrogen-based
heterocycles
and
valuable
scaffolds
designing
obtaining
new
biologically
active
compounds.
However,
the
proposal
implementation
synthetic
methods
this
heterocyclic
system
mainly
conditioned
by
different
structural
stereoelectronic
considerations.
Therefore,
it
can
be
complex
sometimes
limited
selected
group
The
following
review
paper
is
structured
search
collect
synthesis
cyclic
identify
main
progress
currently
achieved.
It
addresses
topic
using
considerations,
physical
properties,
reactivity.
described
below
implemented
strategies
based
on
cyclo-condensation
reactions,
radical
cyclizations,
electrocyclic
closures,
carbon-carbon
coupling
metal-organic
catalysis.
These
significantly
contributed
organic
chemistry
knowledge.
In
addition,
analysis
such
from
applying
principles
green
circular
presented,
evaluating
potential
application
these
methods,
limitations,
perspectives,
impact
environment.
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.
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.
Chemical Communications,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
A
silver-catalyzed
cross
coupling
of
cyclic
aldimines
and
α-imino-oxy
acids
has
been
developed.
The
solvent-dependent
reaction
could
selectively
deliver
either
imine
moiety
retained
nitriles
or
ring-opened
oxonitriles
in
moderate
yields.
Organic Chemistry Frontiers,
Journal Year:
2022,
Volume and Issue:
9(13), P. 3506 - 3514
Published: Jan. 1, 2022
The
visible
light-induced
oxidative
radical
cascade
coupling
of
N
-arylacrylamides
with
aldehydes
using
bromide
as
the
hydrogen
atom
transfer
agent
to
synthesize
functional
oxindoles
is
described.
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.
