ACS Sustainable Chemistry & Engineering,
Journal Year:
2024,
Volume and Issue:
12(7), P. 2632 - 2645
Published: Feb. 8, 2024
The
catalytic
conversion
of
carbon
dioxide
into
fine
chemicals
and
intermediates
is
one
the
most
promising
approaches
to
recycling.
In
this
work,
we
demonstrated
that
after
layered
α-zirconium
phosphate(α-ZrP)
was
exfoliated
by
using
tetrabutylammonium
hydroxide,
a
cationic
Ru(II)
complex
([RuH(CO)(dppp)(en)]Cl,
dppp
=
1,3-bis(diphenylphosphino)propane;
en
ethylene-diamine)
can
be
intercalated
ZrP
layers.
Notably,
as
complex-intercalated
further
modified
ionic
liquid
(BMIMOAc,
1-butyl-3-methylimidazolium
acetate),
resulting
catalyst
exhibited
superior
activity
for
N-formylation
amines
with
CO2/H2
produce
formamide.
detailed
characterization
revealed
also
encapsulated
interlayer
played
an
additional
role
in
exfoliating
ZrP.
particular,
studies
indicated
amine
molecules
intercalate
favorably
under
reaction
conditions
thus
were
easily
accessible
active
sites,
being
beneficial
reaction.
includes
following
key
steps:
CO2
synergistically
activated
BMIMOAc
layers;
hydrogen
split
center
form
Ru–Hδ−;
morpholine
layers
then
participated
This
implied
actually
occurred
within
interlayers,
enhancing
rate
due
enrichment
reactants.
formate
species
detected
reaction,
followed
dehydrating
afford
system
exhibits
huge
advantage
easy
accessibility,
high
efficiency,
recyclability.
