Abstract
Catalytic
active
sites
consisting
in
isolated
metal
single
atoms
can
be
found
enzymatic,
homogenous
and
heterogeneous
catalysts.
In
catalysis,
single‐atom
catalysts
(SACs)
may
offer
high
reactivity
selectivity
towards
some
reactions
provided
their
local
coordination
environment
electronic
properties
are
correctly
tuned.
These
generally
possess
specific
compared
to
nanoparticles
or
clusters.
Because
of
the
difficulty,
inherent
supported
preparing
having
a
homogeneity
sites,
these
two
species
have
had
coexist
many
If
current
trend
is
often
limited
comparing
types
species,
we
will
see
this
mini‐review
that
for
few
years,
work
has
highlighted
possible
synergy
between
improve
catalytic
performance.
The
different
synergies
discussed,
as
well
challenges
opportunities
such
thermal‐,
electro‐
photo‐catalysis.
RSC Advances,
Год журнала:
2023,
Номер
13(44), С. 31213 - 31223
Опубликована: Янв. 1, 2023
A
novel
method
for
synthesis
of
mono-,
bis-
and
tris-benzothiazoles
using
[(APTDP)(FeCl
4
)
2
@HNT]
as
a
green
reusable
catalyst
under
solvent-free
conditions
is
reported.
ACS Sustainable Chemistry & Engineering,
Год журнала:
2023,
Номер
11(43), С. 15743 - 15753
Опубликована: Окт. 18, 2023
Acetalization
is
a
promising
method
for
upgrading
biomass-derived
molecules
into
valuable
chemicals,
and
acetal
products
are
considered
excellent
oxygenated
fuel
additives.
Herein,
catalyst-free,
facile,
effective
protocol
the
acetalization
of
furfural
ethylene
glycol
established,
affording
78.6%
yield
2-(furan-2-yl)-1,3-dioxolane
with
furfural/ethylene
molar
ratio
1:15
in
cyclohexane
at
160
°C
after
2
h.
Moreover,
lower
activation
energy
(15.8
kJ/mol)
corroborates
that
established
system
efficient,
thermodynamic
studies
demonstrate
catalyst-free
an
endothermic,
nonspontaneous,
endergonic
reaction.
A
plausible
mechanism
including
two
pathways
proposed,
wherein
formed
water
from
process
can
render
to
be
hydrolyzed,
which
plays
positive
role
facilitating
glycol.
In
addition,
excess
reaction
mixture
easily
recovered
almost
shows
same
activity
as
fresh
acetalization.
Furthermore,
viable
various
biobased
furanic
compounds
alcohols,
enabling
broad
access
acetals.
Finally,
magnified
10
times,
showing
potential
large-scale
production.
ACS Sustainable Chemistry & Engineering,
Год журнала:
2023,
Номер
11(51), С. 17951 - 17978
Опубликована: Дек. 1, 2023
Primary
amine
compounds
with
high
nucleophilicity
are
crucial,
high-value
chemicals.
They
can
be
made
by
amination
of
oxygen-containing
functional
group
compounds,
such
as
aldehydes,
ketones,
and
alcohols,
or
reduction
nitrogen-containing
containing
cyano,
nitro,
amide,
oxime
groups.
Renewable
biomass
resources
contain
a
large
number
C–O
C═O
bonds
that
facilitate
the
conversion
into
primary
compounds.
Furanyl
derivatives
include
groups
hydroxyl,
carbonyl,
carboxyl
Among
them,
furfural
5-hydroxymethylfurfural,
important
biological
platform
molecules,
could
prepare
furfuryl
alcohol,
furoic
acid,
2,5-dihydroxymethylfuran,
2,5-diformylfuran,
2,5-furandicarboxylic
other
directly
indirectly
synthesize
furfurylamine
2,5-bis
(aminomethyl)
furan
2,5-bis(aminomethyl)tetrahydrofuran.
The
furanyl
amines
have
an
aromatic
heterocyclic
structure
highly
applicable.
Numerous
routes
exist
for
synthesis
amines,
accompanied
side
reactions,
coupling
hydrogenation
rings.
Therefore,
production
requires
development
catalysts
efficient
activity
selectivity.
This
study
reviews
heterogeneous
catalytic
reactions
various
in
In
particular,
reaction
pathways,
mechanisms,
structure–function
relationships
corresponding
discussed,
biobased
For
purpose
overcoming
most
significant
obstacles
reaction,
compilation
meticulously
crafted
catalyst
systems
proper
metals
supports
has
been
presented.
Finally,
viable
route
industrial
preparation
from
associated
research
directions
anticipated.
Abstract
Catalytic
active
sites
consisting
in
isolated
metal
single
atoms
can
be
found
enzymatic,
homogenous
and
heterogeneous
catalysts.
In
catalysis,
single‐atom
catalysts
(SACs)
may
offer
high
reactivity
selectivity
towards
some
reactions
provided
their
local
coordination
environment
electronic
properties
are
correctly
tuned.
These
generally
possess
specific
compared
to
nanoparticles
or
clusters.
Because
of
the
difficulty,
inherent
supported
preparing
having
a
homogeneity
sites,
these
two
species
have
had
coexist
many
If
current
trend
is
often
limited
comparing
types
species,
we
will
see
this
mini‐review
that
for
few
years,
work
has
highlighted
possible
synergy
between
improve
catalytic
performance.
The
different
synergies
discussed,
as
well
challenges
opportunities
such
thermal‐,
electro‐
photo‐catalysis.
