Synthesis of furfural from xylose using a choline chloride-based deep eutectic solvent and mechanistic insights
Reaction Chemistry & Engineering,
Год журнала:
2024,
Номер
9(6), С. 1560 - 1568
Опубликована: Янв. 1, 2024
Choline
chloride-based
deep
eutectic
solvents
can
be
used
in
the
green
synthesis
of
furfural,
a
platform
molecule
derived
from
biomass.
Язык: Английский
Scalable organocatalytic one pot asymmetric Strecker reaction via camphor sulfonyl functionalized crown-ether-tethered calix[4]arene
Chemical Communications,
Год журнала:
2024,
Номер
60(65), С. 8561 - 8564
Опубликована: Янв. 1, 2024
A
highly
selective
camphor
sulfonyl
functionalized
crown-ether-tethered
calix[4]arene
organocatalyst
is
designed
for
asymmetric
Strecker
reaction
to
provide
desired
cyano
adducts
in
high
yields
(∼99.9%)
and
enantioselectivities
(up
99.3%
ee).
Язык: Английский
A Fluorescent Probe for Al3+ Based on Calix[4]arene Containing Salicylaldehyde‐Derived Schiff Base
European Journal of Organic Chemistry,
Год журнала:
2023,
Номер
26(37)
Опубликована: Авг. 9, 2023
Abstract
Two
novel
fluorescent
probes
L1
and
L2
for
recognizing
Al
3+
have
been
prepared
by
cooperating
salicylaldehyde‐derived
Schiff
base
groups
onto
the
upper
rim
of
calix[4]arene.
Of
these
probes,
is
most
effective
at
,
displaying
a
highly
selective
fluorescence
“on”
response
with
an
emission
wavelength
478
nm
Stokes
shift
88
nm.
Additionally,
probe
can
form
1
:
coordination
complex
binding
constant
2.6×10
10
M
−1
.
Furthermore,
its
intensity
exhibits
good
linear
relationship
concentration
within
range
2.0×10
−5
to
1.4×10
−4
M,
has
low
detection
limit
4.36×10
−7
M.
Язык: Английский
On the Brønsted acid-catalyzed aza-Michael reaction of isoxazol-5-ones to enones: reaction optimization, scope, mechanistic investigations and scale-up
Reaction Chemistry & Engineering,
Год журнала:
2023,
Номер
8(5), С. 1204 - 1215
Опубликована: Янв. 1, 2023
Regioselective
aza-Michael-type
of
isoxazol-5-ones
to
activate
double
bonds.
Язык: Английский