Synthesis of 3‐Arylazoindoles through Iron(III)‐Catalyzed C−H Azolation of Indoles and Arylhydrazines
Kun Li,
Jin‐Qi Zhang,
Wei-Cong Liao
и другие.
Advanced Synthesis & Catalysis,
Год журнала:
2024,
Номер
366(9), С. 2123 - 2129
Опубликована: Март 6, 2024
Abstract
A
variety
of
functionalized
3‐arylazoindoles
were
prepared
in
good
to
excellent
yields
through
an
iron(III)‐catalyzed
C−H
azolation
2‐substituted
indoles
with
arylhydrazines
under
mild
reaction
conditions.
The
underwent
initial
TBN‐mediated
nitrosation,
1,5‐hydrogen
migration,
intramolecular
condensation,
and
migration
over
four
steps
one
pot.
paracyclophane‐derived
3‐phenylazoindole
could
be
25%
yield
three
some
showed
a
different
fluorescence
emission
wavelength
existed
obvious
pH
conditions
response.
present
method
highlights
broad
substrate
scope
easily
available
starting
materials,
wide
range
functional
group
compatibility,
gram
scalable
preparations,
high
atom
economy,
avoidance
unstable
explosive
reagents,
simple
purification
operations
by
extraction,
washing,
recrystallization
without
flash
column
chromatography.
Язык: Английский
Beyond Conventional Organic Electrosynthesis: The Role of Fluorinated Solvents
ACS electrochemistry.,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 27, 2024
Язык: Английский
Metal‐ and Additive‐Free Electrochemical Oxidation of Benzylic C−X Bonds to Carbonyl Groups
European Journal of Organic Chemistry,
Год журнала:
2023,
Номер
26(34)
Опубликована: Июль 19, 2023
Abstract
A
scalable
electrochemical
strategy
for
oxidation
of
various
benzylic
C−X
bonds
to
carbonyl
groups
was
achieved.
The
protocol
runs
under
mild
reaction
conditions
and
air
atmosphere
in
a
simple
undivided
electrolysis
cell,
H
2
O
as
oxygen
source,
cheap
graphite
plates
both
anode
cathode.
In
addition,
the
features
good
functional
tolerance
selectively
generating
structure
versatile
ketones,
aldehydes,
esters.
Язык: Английский
Highly efficient MgF2 supported Co catalyst for cyclization reaction of o-nitroaniline and benzyl-alcohol
Molecular Catalysis,
Год журнала:
2023,
Номер
545, С. 113186 - 113186
Опубликована: Апрель 30, 2023
Язык: Английский
Recent Advances in The Electrochemical Functionalization of N-heterocycles
Organic & Biomolecular Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
The
review
aims
to
provide
a
clear
picture
of
the
possible
electron
transfer
pathways,
electrochemical
behavior
different
N-heterocycles,
and
functionalization
reagents
achieve
desired
functionalization/modification
N-heterocycles.
Язык: Английский