Chinese Journal of Chemistry,
Год журнала:
2022,
Номер
40(10), С. 1137 - 1143
Опубликована: Янв. 21, 2022
The
development
of
an
efficient
and
sustainable
synthetic
route
for
formaldehyde
production
from
renewable
feedstock,
especially
in
combination
with
a
subsequent
transformation
to
straightforwardly
construct
valuable
chemicals,
is
highly
desirable.
Herein,
we
report
novel
manganese-catalyzed
dehydrogenative
cyclization
methanol
as
surrogate
variety
dinucleophiles
facile
synthesis
N-heterocycles.
situ
generated
via
catalytic
dehydrogenation
can
be
selectively
trapped
by
diverse
avoid
several
possible
side
reactions.
utility
this
further
highlighted
its
successful
application
the
13C-labeled
N-heterocycles
using
13CH3OH
readily
accessible
13C-isotope
reagent.
Appendix
S1:
Supporting
Information
Please
note:
publisher
not
responsible
content
or
functionality
any
supporting
information
supplied
authors.
Any
queries
(other
than
missing
content)
should
directed
corresponding
author
article.
Chemical Society Reviews,
Год журнала:
2022,
Номер
51(11), С. 4386 - 4464
Опубликована: Янв. 1, 2022
The
emerging
field
of
organometallic
catalysis
has
shifted
towards
research
on
Earth-abundant
transition
metals
due
to
their
ready
availability,
economic
advantage,
and
novel
properties.
In
this
case,
manganese,
the
third
most
abundant
transition-metal
in
Earth's
crust,
emerged
as
one
leading
competitors.
Accordingly,
a
large
number
molecularly-defined
Mn-complexes
been
synthesized
employed
for
hydrogenation,
dehydrogenation,
hydroelementation
reactions.
regard,
catalyst
design
is
based
three
pillars,
namely,
metal-ligand
bifunctionality,
ligand
hemilability,
redox
activity.
Indeed,
developed
catalysts
not
only
differ
chelating
atoms
they
possess
but
also
working
principles,
thereby
different
turnover
numbers
product
molecules.
Hence,
critical
assessment
molecularly
defined
manganese
terms
atoms,
reaction
conditions,
mechanistic
pathway,
significant.
Herein,
we
analyze
complexes
catalytic
activity,
versatility
allow
multiple
transformations
routes
convert
substrates
target
This
article
will
be
helpful
get
significant
insight
into
design,
aiding
design.
ChemCatChem,
Год журнала:
2019,
Номер
12(7), С. 1891 - 1902
Опубликована: Дек. 21, 2019
Abstract
Acceptorless
dehydrogenative
coupling
(ADC)
has
emerged
as
a
powerful
tool
in
the
chemists’
arsenal
for
construction
of
various
carbon‐carbon
and
carbon‐heteroatom
bonds.
These
protocols
are
highly
atom
economical
environmentally
benign
they
do
not
require
pre‐functionalized
starting
material
produce
only
dihydrogen
(and
water)
by‐product.
This
technique,
coupled
with
Earths’
abundant
less
toxic
manganese
catalysis,
can
prove
to
be
vital
strategy
generation
molecular
complexity
from
simple
materials.
Manganese
catalyzed
DHC
been
growing
interest,
low‐
high‐valent
catalysts
have
developed.
were
demonstrated
show
excellent
catalytic
activity
formation
carbon‐carbon,
bonds,
cascade
reactions.
In
this
mini‐review,
we
would
like
highlight
recent
progress
that
made
ADC
ACS Catalysis,
Год журнала:
2018,
Номер
9(1), С. 479 - 484
Опубликована: Дек. 13, 2018
Base-metal-catalyzed
dehydrogenative
cross-coupling
of
primary
alcohols
to
form
cross-esters
as
major
products,
liberating
hydrogen
gas,
is
reported.
The
reaction
catalyzed
by
a
pincer
complex
earth-abundant
manganese
in
the
presence
catalytic
base,
without
any
acceptor
or
oxidant.
Mechanistic
insight
indicates
that
dearomatized
actual
catalyst,
and
indeed
this
independently
prepared
catalyzes
under
neutral
conditions.
Chemical Communications,
Год журнала:
2021,
Номер
57(69), С. 8534 - 8549
Опубликована: Янв. 1, 2021
Manganese
catalyzed
hydrogen
transfer
reactions
enabled
net
reductions
and
cascade
CC-
CN-bond
formation
reactions.
The
success
is
aided
by
multifunctional
ligand
design
namely
metal–ligand
bifunctionality,
hemilability,
redox
non-innocence.
Organometallics,
Год журнала:
2021,
Номер
40(9), С. 1213 - 1220
Опубликована: Апрель 20, 2021
The
catalytic
reduction
of
carbon
dioxide
is
a
process
growing
interest
for
the
use
this
simple
and
abundant
molecule
as
renewable
building
block
in
C1-chemical
synthesis
hydrogen
storage.
well-defined,
bench-stable
alkylcarbonyl
Mn(I)
bis(phosphine)
complex
fac-[Mn(CH2CH2CH3)(dippe)(CO)3]
[dippe
=
1,2-bis(diisopropylphosphino)ethane]
was
tested
an
efficient
selective
non-precious-metal
precatalyst
hydrogenation
CO2
to
formate
under
mild
conditions
(75
bar
total
pressure,
80
°C),
presence
Lewis
acid
co-catalyst
(LiOTf)
base
(DBU).
Mechanistic
insight
into
reaction
provided
by
means
density
functional
theory
(DFT)
calculations.
Angewandte Chemie International Edition,
Год журнала:
2018,
Номер
57(46), С. 15143 - 15147
Опубликована: Окт. 26, 2018
Abstract
Reported
herein
is
a
general
and
efficient
dual‐deoxygenative
coupling
of
primary
alcohols
with
2‐arylethanols
catalyzed
by
well‐defined
Mn/PNP
pincer
complex.
This
reaction
the
first
example
catalytic
dual‐deoxygenation
using
non‐noble‐metal
catalyst.
Both
deoxygenative
homocoupling
(17
examples)
their
cross‐coupling
other
(20
proceeded
smoothly
to
form
corresponding
alkenes
dehydrogenation
deformylation
sequence.
Advanced Synthesis & Catalysis,
Год журнала:
2020,
Номер
362(8), С. 1602 - 1650
Опубликована: Янв. 29, 2020
Abstract
Manganese‐catalysed
reactions
have
attracted
great
attention
recently
due
to
the
high
relative
abundance
and
cheap
eco‐friendly
behaviour.
Applications
of
manganese
catalysis
in
cross‐dehydrogenative
coupling
are
among
hottest
areas
since
90%
contributions
very
recent.
Dehydrogenation
alcohols
using
Mn‐pincer
systems
is
highly
explored
nowadays
for
cross‐coupling
synthesise
a
variety
products
Mn‐catalysed
C−H
activation,
radical
applied
dehydrogenative
couplings
various
synthons.
This
review
focuses
on
synthesis
synthetically
as
well
biologically
important
motifs
such
carbonyl
compounds,
olefins,
nitrogen
heterocycles,
amines,
imines,
etc.
manganese‐catalysed
reactions.
magnified
image
