High conductive and dimensional stability proton exchange membranes with an all-carbon main chain and densely sulfonated structure
Jiayu Guan,
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Xi Sun,
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Huiting Yu
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et al.
Journal of Membrane Science,
Journal Year:
2024,
Volume and Issue:
700, P. 122664 - 122664
Published: March 26, 2024
Language: Английский
Ferric Nitrate as a Bifunctional Catalyst for Dehydration and Oxidative Cleavage-Esterification of Tertiary Alcohols
Ruixia Sun,
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Fukai Xie,
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Qiang Zhang
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et al.
The Journal of Organic Chemistry,
Journal Year:
2025,
Volume and Issue:
90(6), P. 2214 - 2229
Published: Jan. 30, 2025
The
selective
oxidative
cleavage
and
functionalization
of
C(OH)–C
bonds
in
tertiary
alcohols
harbor
immense
feasibility
organic
synthesis
enable
the
production
high
value-added
chemicals
from
renewable
biomass.
However,
it
remains
a
challenge,
owing
to
inherent
kinetic
inertness
thermodynamic
stability
lack
Cα–H.
Taking
huge
potential
challenge
bond
activation
into
consideration,
herein,
we
show
first
example
an
inexpensive
bifunctional
ferric
nitrate
catalyst
for
catalytic
direct
oxidation
structurally
distinct
esters
with
environmentally
benign
molecular
oxygen
as
oxidant
MeOH
solvent,
without
assistance
any
additives.
Detailed
mechanistic
studies
reveal
that
this
tandem
process
is
initiated
by
synergistic
effects
iron
ion
ion,
which
serve
Lewis
acids
dehydrating
nitrogen
dioxide
radical
precursor
inducing
cleavage,
respectively.
Language: Английский
Recent Advances in Nonprecious Metal Catalysis
Organic Process Research & Development,
Journal Year:
2024,
Volume and Issue:
28(9), P. 3524 - 3544
Published: Aug. 9, 2024
Developing
catalytic
reactions
using
nonprecious-metal
to
achieve
various
synthetic
transformations
remains
a
valuable
pursuit
the
scientific
community.
As
part
of
continuing
review
series
that
is
published
within
precompetitive
chemistry
alliance
between
AbbVie,
Boehringer
Ingelheim
and
Pfizer,
this
article
underscores
wide-ranging
uses
Cu-,
Co-,
Fe-,
Ni-catalysis.
The
significant
uptick
in
NPMC-related
publications
signifies
escalating
curiosity
among
researchers
investigate
advance
capabilities
these
metals.
Language: Английский