Advanced Synthesis & Catalysis,
Год журнала:
2021,
Номер
363(17), С. 4209 - 4215
Опубликована: Июль 15, 2021
Abstract
A
Mn(OAc)
3
⋅
2H
2
O‐catalyzed
aerobic
dehydrogenation
of
five
and
six‐membered
N
‐heterocycles
for
the
synthesis
‐heteroarenes
is
reported.
Of
note,
this
protocol
can
be
applied
to
tertiary
indolines
with
various
electron‐deficient
‐substituents.
Preliminary
mechanistic
investigations
support
that
a
single‐electron
transfer
pathway
might
involved.
magnified
image
Chemical Science,
Год журнала:
2021,
Номер
12(15), С. 5450 - 5457
Опубликована: Янв. 1, 2021
This
works
demonstrates
the
implementation
of
an
electron
donor–acceptor
(EDA)
complex
platform
toward
Ni-catalyzed
C(sp3)–C(sp2)
bond
formation,
circumventing
need
for
exogenous
photocatalysts,
additives,
and
stoichiometric
metal
reductants.
Organic Chemistry Frontiers,
Год журнала:
2021,
Номер
8(11), С. 2820 - 2862
Опубликована: Янв. 1, 2021
Quinoxalines
are
observed
in
several
bioactive
molecules
and
have
been
widely
employed
designing
for
DSSC's,
optoelectronics,
sensing
applications.
Therefore,
developing
newer
synthetic
routes
as
well
novel
ways
their
functionalization
is
apparent.
Chemical Science,
Год журнала:
2022,
Номер
13(23), С. 6865 - 6872
Опубликована: Янв. 1, 2022
A
metal-free
oxidative
dehydrogenation
of
N-heterocycles
utilizing
a
nitrogen/phosphorus
co-doped
porous
carbon
(NPCH)
catalyst
is
reported.
The
optimal
material
robust
against
traditional
poisoning
agents
and
shows
high
antioxidant
resistance.
It
exhibits
good
catalytic
performance
for
the
synthesis
various
quinoline,
indole,
isoquinoline,
quinoxaline
'on-water'
under
air
atmosphere.
active
sites
in
NPCH
are
proposed
to
be
phosphorus
nitrogen
centers
within
network.
Noble
metal-free
catalyst
or
catalytic
oxidation
of
5-hydroxymethylfurfural
into
2,5-furandicarboxylic
acid
are
proposed
in
this
study
as
a
proposal
to
solve
one
the
great
disadvantages
reaction
using
preferably
noble
metal-based
catalysts.
The
activity
six
MnO
