ChemistrySelect,
Journal Year:
2021,
Volume and Issue:
6(13), P. 3267 - 3270
Published: April 7, 2021
Abstract
A
tandem
conjugate
addition/aromatization/acyl
transfer
reaction
between
3‐aryl‐2‐nitropropanoates
and
quinone
monoimines
was
described.
In
the
presence
of
NMM,
proceeded
smoothly
to
give
various
1,2‐diarylnitroethanes
in
low
good
yields.
The
structure
one
product
determined
by
an
X‐ray
crystal
structural
analysis.
Accordingly,
a
plausible
mechanism
proposed.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(11), P. 2481 - 2481
Published: May 24, 2024
Quinone
imines
are
important
derivatives
of
quinones
with
a
wide
range
applications
in
organic
synthesis
and
the
pharmaceutical
industry.
The
attack
nucleophilic
reagents
on
quinone
tends
to
lead
aromatization
skeleton,
resulting
both
high
reactivity
unique
imines.
extreme
value
construction
nitrogen-
or
oxygen-containing
heterocycles
has
attracted
widespread
attention,
remarkable
advances
have
been
reported
recently.
This
review
provides
an
overview
application
cyclic
compounds
via
domino
annulation
reaction.
The Journal of Organic Chemistry,
Journal Year:
2024,
Volume and Issue:
89(24), P. 18640 - 18648
Published: Nov. 26, 2024
We
have
developed
a
hemin-catalyzed
biomimetic
oxidative
annulation
of
2,3-dihydroxybenzoic
acid
with
an
array
cyclic
enamines
to
form
isochromanones
in
good
excellent
yields
and
high
regioselectivity.
This
formal
[4+2]
cycloaddition
protocol
showed
efficiency
remarkable
functional
group
tolerance.
Mechanistic
studies
indicate
the
involvement
single-electron
oxidation
pathway.
Preliminary
biological
investigations
that
3ag
3ca
exhibited
antineoplastic
activities
against
MCF-7
cell
lines
IC50
values
25.21
29.09
μM,
respectively.
ChemistrySelect,
Journal Year:
2021,
Volume and Issue:
6(13), P. 3267 - 3270
Published: April 7, 2021
Abstract
A
tandem
conjugate
addition/aromatization/acyl
transfer
reaction
between
3‐aryl‐2‐nitropropanoates
and
quinone
monoimines
was
described.
In
the
presence
of
NMM,
proceeded
smoothly
to
give
various
1,2‐diarylnitroethanes
in
low
good
yields.
The
structure
one
product
determined
by
an
X‐ray
crystal
structural
analysis.
Accordingly,
a
plausible
mechanism
proposed.