Direct C(sp3)-H functionalization with aryl and alkyl radicals as intermolecular hydrogen atom transfer (HAT) agents
Chemical Communications,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
Recent
years
have
witnessed
the
emergence
of
direct
intermolecular
C(sp
Язык: Английский
CuO Decorated Magnetic Reduced Graphene Oxide Catalyzed Cross-Dehydrogenative Coupling of Thiols and Alkylbenzenes
Catalysis Letters,
Год журнала:
2024,
Номер
154(10), С. 5439 - 5449
Опубликована: Июнь 22, 2024
Язык: Английский
Effect of π-Linkages in Covalent Organic Framework-Catalyzed Light-Harvesting Thioesterification Reaction
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 24, 2025
Covalent
organic
frameworks
(COFs)
serve
as
an
outstanding
platform
for
heterogeneous
photocatalysis.
We
synthesized
two
analogous
pyrene-based
two-dimensional
COFs
with
π-conjugated
networks,
one
linked
by
C═N
bonds
and
the
other
C═C
bonds,
through
Schiff
base
Knoevenagel
condensation
reactions,
respectively.
investigated
impact
of
these
linkages
on
photocatalytic
activity
COFs,
using
visible-light-mediated
thioesterification
a
model
reaction.
It
was
found
that
olefin-linkage
COF
outperformed
imine-linkage
photocatalyst.
The
developed
protocol
demonstrated
broad
substrate
scope,
including
35
diverse
carboxylic
acids,
14
drug
molecules,
several
disulfide
coupling
partners,
achieving
up
to
95%
yield
thioesters.
practical
utility
this
strategy
is
further
its
successful
application
in
gram-scale
reactions.
photocatalyst
robust
successfully
reused
multiple
cycles
without
any
loss
catalytic
activity.
backbone
facilitated
enhanced
electron
transfer
upon
light
irradiation,
enabling
cross-coupling
acid
reductive
cycle.
Язык: Английский
Carbonyldiimidazole (CDI) Promoted Direct and Instantaneous Thio-esterification of Carboxylic Acid and Thiol at Ambient Temperature
Biman Bera,
Upasi Goswami,
Sujan Sk
и другие.
Organic & Biomolecular Chemistry,
Год журнала:
2024,
Номер
22(43), С. 8570 - 8574
Опубликована: Янв. 1, 2024
A
simple
yet
efficient
method
is
disclosed
for
the
synthesis
of
a
diverse
range
thioester
derivatives.
Carbonyldiimidazole
promoted
esterification
between
carboxylic
acid
and
thiol
was
carried
out
at
ambient
temperature.
The
short
reaction
time,
excellent
yield,
operational
ease
wide
functional
group
tolerance
are
notable
features
reaction.
Furthermore,
precise
preparation
thioesters
on
gram
scale
suggests
promising
prospects
its
industrial
application.
Язык: Английский