Recent Advances in the Synthesis of Fused‐Cyclic Quinolines
Asian Journal of Organic Chemistry,
Год журнала:
2024,
Номер
13(5)
Опубликована: Фев. 16, 2024
Abstract
Fused
quinolines
have
gained
substantial
attention
due
to
their
significant
biological
and
wide‐spectrum
synthetic
applications.
This
review
supplies
an
encyclopedic
document
regarding
the
approaches
developed
for
synthesis
of
fused‐cyclic
based
on
ring
volume
size
reported
thus
far.
collected
information
will
be
valuable
medicinal
chemists
obtain
knowledge
designing
new
in
order
access
active
compounds.
Язык: Английский
Visible-Light-Promoted Selenylation/Cyclization of o-Alkynyl Benzylazides/o-Propargyl Arylazides: Synthesis of Seleno-Substituted Isoquinolines and Quinolines
Xi-Rui Gong,
Shuang-Shuang Sun,
Mei-Lin Ren
и другие.
The Journal of Organic Chemistry,
Год журнала:
2024,
Номер
89(6), С. 4176 - 4184
Опубликована: Март 4, 2024
A
simple
and
efficient
visible-light-promoted
selenylation/cyclization
of
o-alkynyl
benzylazides/o-propargyl
arylazides
have
been
realized
for
the
practical
synthesis
seleno-substituted
isoquinolines
quinolines.
This
strategy
provides
valuable
isoquinoline
quinoline
derivatives
via
construction
one
C(sp2)–Se
bond
C–N
within
process.
Язык: Английский
Asymmetric ring-opening reactions of donor–acceptor cyclopropanes with 1,3-cyclodiones
RSC Advances,
Год журнала:
2023,
Номер
13(11), С. 7432 - 7435
Опубликована: Янв. 1, 2023
A
series
of
enantioenriched
γ-hydroxybutyric
acid
derivatives
were
obtained
via
asymmetric
ring-opening
reactions
D–A
cyclopropanes
with
1,3-cyclodiones.
Язык: Английский
I2-Catalyzed Three-Component Synthesis of 3-Selenylated Pyrazolo[1,5-a]pyrimidines
New Journal of Chemistry,
Год журнала:
2024,
Номер
48(21), С. 9480 - 9485
Опубликована: Янв. 1, 2024
A
one-pot
strategy
has
been
developed
for
the
synthesis
of
3-selenylated
pyrazolo[1,5-
a
]pyrimidines
from
amino
pyrazoles,
chalcones/enaminones,
and
diselenides
through
I
2
-catalyzed
tandem
cascade
annulations/C–H
selenylation.
Язык: Английский
Regioselective Radical Cascade Cyclizations of Alkyne-Tethered Cyclohexadienones with Chalcogenides under Visible-Light Catalysis
Vadla Shiva Prasad,
Vadithya Ranga Rao,
Maram Gangadhar
и другие.
ACS Omega,
Год журнала:
2023,
Номер
8(39), С. 35809 - 35821
Опубликована: Сен. 20, 2023
Herein,
we
demonstrated
a
silver/K2S2O8-mediated
highly
regio-
and
diastereoselective
6/5-exo
trig
radical
cascade
cyclization
of
alkyne-tethered
cyclohexadienones
with
sulfonyl
hydrazides
or
sodium
sulfinates
subsequent
selenation
to
access
6,6-dihydrochromenone
6,5-fused
tetrahydro
benzofuranone
derivatives.
This
reaction
protocol
features
high
functional
group
compatibility
has
wide
substrate
scope
providing
variety
dihydrochromenones
derivatives
in
good
excellent
yields.
The
proceeds
via
the
attack
alkyne
over
activated
Michael
acceptor.
TEMPO
quenching
experiment
implies
presence
intermediate.
Further
synthetic
versatility
6,6-
5,6-fused
is
also
showcased.
Язык: Английский
Metal-Free Synthesis of Selanyl-Substituted Chromenones via Selanylation/Cyclization of Alkynyl Aryl Ketones
Synthesis,
Год журнала:
2024,
Номер
56(16), С. 2529 - 2536
Опубликована: Июнь 12, 2024
Abstract
A
variety
of
2-substituted
3-selanyl-chromenones
are
readily
prepared
through
a
cascade
selanylation/cyclization
alkynyl
aryl
ketones
with
sulfonoselenoates.
This
transformation
is
performed
under
metal-free
conditions
and
does
not
require
an
additional
oxidant.
It
also
has
the
advantage
broad
functional
group
tolerance
scalability.
Язык: Английский
Visible-light-promoted selenylation/cyclization of o-(1-alkynyl) benzoates to access seleno-substituted isocoumarins
Organic & Biomolecular Chemistry,
Год журнала:
2024,
Номер
22(36), С. 7327 - 7331
Опубликована: Янв. 1, 2024
A
simple
and
efficient
method
to
access
4-selenyl-isocoumarin
derivatives
through
visible-light-promoted
selenylation/cyclization
of
o
-(1-alkynyl)
benzoates
has
been
developed.
Язык: Английский