Facile synthesis of the unknown 6,7-dihydrofuro[3,4-c]pyridines and 3,4-diaryloylpyridines from N-propargyl β-enaminones
Organic & Biomolecular Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
A
simple
methodology
for
the
synthesis
of
bicyclic
6,7-dihydrofuro[3,4-
c
]pyridines
is
reported.
The
skeletal
diversity
synthesized
heterobicyclic
frame
may
present
new
nitrogen-
and
oxygen-based
hybrid
systems
medicinal
chemistry.
Language: Английский
Mechanosynthesis of polysubstituted pyridines via FeBr3-catalyzed cascade reaction of arylidene isoxazolones with β‑carbonyl esters
Tetrahedron Letters,
Journal Year:
2025,
Volume and Issue:
unknown, P. 155569 - 155569
Published: March 1, 2025
Language: Английский
Rhodium(III)-Catalyzed Sequential Cyclization of Enaminones with 1,3-Dienes via C–H Activation for the Synthesis of Fluorenones
Lei Gao,
No information about this author
Min Wang,
No information about this author
Hongwei Ren
No information about this author
et al.
The Journal of Organic Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 19, 2024
An
efficient
method
for
construction
of
various
fluorenones
has
been
achieved
via
Rh(III)-catalyzed
C–H
activation/[4
+
2]
annulation/aromatization
sequences
simple
and
readily
available
enaminones
1,3-dienes.
This
protocol
showed
good
substrate
compatibility
as
an
array
structurally
electronically
diverse
prepared
efficiently
in
moderate
to
yields
preparative
scale
utility
showing
very
efficiency
the
late-stage
functionalization
complex
valuable
molecules.
Language: Английский
Iron(III)-Catalyzed Amine-Release Triple Condensation of Enaminones to C3-Alkenylated Dihydroquinolinones
The Journal of Organic Chemistry,
Journal Year:
2024,
Volume and Issue:
89(15), P. 10538 - 10550
Published: July 12, 2024
C3-functionalized
dihydroquinolinones
represent
a
class
of
important
biologically
active
compounds.
Although
methods
for
synthesizing
C2/4-functionalized
have
been
extensively
reported,
research
on
the
synthesis
dihydroquinolinone
is
extremely
rare.
Herein,
we
report
first
time
method
C3-alkenylated
via
iron(III)-catalyzed
amine-release
triple
condensation
enaminones.
These
reactions
exhibit
broad
substrate
scope
and
offer
operationally
simple,
low-cost
catalyzed
procedures
in
single
step.
Subsequent
intramolecular
intermolecular
additions
to
alkene
moiety
provide
diverse
derivatives.
Language: Английский