Direct C(sp3)-H functionalization with aryl and alkyl radicals as intermolecular hydrogen atom transfer (HAT) agents
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Recent
years
have
witnessed
the
emergence
of
direct
intermolecular
C(sp
Language: Английский
Visible-light induced C(sp3)–H arylation of glycine derivatives by cerium catalysis
Shutao Wang,
No information about this author
Yanjie Ye,
No information about this author
Hailong Shen
No information about this author
et al.
Organic & Biomolecular Chemistry,
Journal Year:
2023,
Volume and Issue:
21(41), P. 8364 - 8371
Published: Jan. 1, 2023
A
Ce(III)-catalyzed,
visible-light
induced
aerobic
oxidative
dehydrogenative
coupling
reaction
between
glycine
derivatives
and
electron-rich
arenes
is
disclosed.
The
protocol
proceeds
efficiently
under
mild
conditions,
providing
an
efficient
method
for
the
rapid
synthesis
of
α-arylglycine
without
need
external
photosensitizer
additional
oxidant.
Moreover,
this
could
be
performed
on
a
5
mmol
scale,
obvious
reduction
efficiency.
Language: Английский
DFT study of electron donor-acceptor (EDA) complexes: mechanism exploration and theoretical prediction
Organic & Biomolecular Chemistry,
Journal Year:
2024,
Volume and Issue:
22(38), P. 7834 - 7840
Published: Jan. 1, 2024
Organic
synthesis
methods
initiated
by
visible
light
have
received
increasing
attention
from
synthetic
chemists.
Reactions
EDA
complexes
do
not
require
the
use
of
toxic
or
expensive
photoredox
catalysts,
unlike
traditional
photoreaction
processes.
However,
this
kind
reaction
requires
a
particular
structure
for
substrate,
so
it
is
important
to
study
detailed
and
systematic
mechanism
its
design.
substituted
1
Language: Английский
Direct annulation between glycine derivatives and thiiranes through photoredox/iron cooperative catalysis
Chemical Communications,
Journal Year:
2023,
Volume and Issue:
59(85), P. 12783 - 12786
Published: Jan. 1, 2023
A
visible-light-induced
aerobic
oxidative
[2+3]
cycloaddition
reaction
between
glycine
derivatives
and
thiiranes
is
achieved
via
a
cooperative
photoredox
catalysis
iron
catalysis.
Language: Английский
Visible-Light-Driven α-C(sp3)–H Bond Functionalization of Glycine Derivatives
Yao Tian,
No information about this author
Xiubin Bu,
No information about this author
Yuanrui Chen
No information about this author
et al.
Catalysts,
Journal Year:
2023,
Volume and Issue:
13(12), P. 1502 - 1502
Published: Dec. 8, 2023
The
glycine
motif
is
widely
prevalent
in
bioactive
peptides.
Thus,
the
direct
and
precise
modification
of
derivatives
has
attracted
significant
attention
over
past
few
decades.
Among
various
protocols
for
derivatives,
visible-light-driven
α-C(sp3)–H
bond
functionalization
emerged
as
a
powerful
tool
to
achieve
this
objective,
owing
its
merits
atom
economy,
selectivity,
reaction
simplicity,
sustainability.
This
review
summarizes
recent
advancements
derivatives.
contents
are
organized
based
on
photocatalysts
employed
modes
process.
mechanism,
challenges
encountered,
future
trends
also
discussed,
enabling
readers
understand
current
developmental
status
field.
Language: Английский
Triphenylamine-Based Ordered Mesoporous Polymer as a Metal-Free Photocatalyst for Oxidation of Thiols to Disulfide
Jiyu Liu,
No information about this author
Shengyu Li,
No information about this author
Kuan Chen
No information about this author
et al.
Chinese Journal of Organic Chemistry,
Journal Year:
2024,
Volume and Issue:
44(2), P. 605 - 605
Published: Jan. 1, 2024
Language: Английский
Electrochemistry-Enabled 2,2,6,6-Tetramethylpiperidoxyl (TEMPO)-Mediated Oxidative Dehydrogenation Povarov/Tandem Reactions of Glycine Derivatives
Zhang-Jian Li,
No information about this author
Zhen‐Hua Wang,
No information about this author
Jianfeng Guo
No information about this author
et al.
Chinese Journal of Organic Chemistry,
Journal Year:
2024,
Volume and Issue:
44(3), P. 940 - 940
Published: Jan. 1, 2024
Language: Английский
Benzothiadiazole‐Based Ordered Mesoporous Polymer as a Versatile, Metal‐Free Heterogeneous Photocatalyst
Jiyu Liu,
No information about this author
Yin Zhu,
No information about this author
Shengyu Li
No information about this author
et al.
Chemistry - A European Journal,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 15, 2024
Visible-light
active
heterogeneous
organophotocatalysts
have
recently
gained
considerable
interest
in
organic
synthetic
community.
Ordered
mesoporous
polymers
(OMPs)
are
highly
promising
as
alternative
to
traditional
precious
metal/organic
dyes-based
photocatalysts.
Herein,
we
report
the
preparation
of
a
benzothiadiazole
functionalized
OMPs
(BT-MPs)
through
"bottom-up"
strategy.
High
ordered
periodic
porosity,
large
surface
area,
excellent
stability
and
rational
energy-band
structures
guarantee
high
catalytic
activity
BT-MPs.
As
result,
at
least
six
conversions,
e.
g.,
[3+2]
cycloaddition
phenols
with
olefins,
selective
oxidation
sulfides,
C-3
thiocyanation
indole
aminothiocyanation
β-keto
ester,
could
be
promoted
smoothly
by
In
addition,
BT-MPs
was
readily
recovered
well
maintaining
its
photocatalytic
reused
for
eight
times.
This
study
highlights
potential
exploiting
photoactive
recyclable,
robust
metal-free
Language: Английский
DFT study of electron donor-acceptor (EDA) complexes of 1H-indole and benzyl bromide derivatives: mechanism exploration and theoretical prediction
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 11, 2024
Abstract
Organic
synthesis
methods
initiated
by
visible
light
have
received
increasing
attention
from
synthetic
chemists.
Reactions
EDA
complexes
do
not
require
the
use
of
toxic
or
expensive
photoredox
catalysts
compared
to
traditional
photoreaction
processes.
However,
this
kind
reaction
requires
structure
substrate,
so
it
is
important
study
detailed
and
systematic
mechanism
for
its
design.
The
substituted
1
H-indole
benzyl
bromide
derivatives
were
studied
density
functional
theory
(DFT).
difference
between
with
substituents
different
kinds
locations
theoretical
new
complex
was
predicted.
Language: Английский
Visible-light-driven catalyst-free C-S cross-coupling of thiol deriva-tives and aryl halides
Organic & Biomolecular Chemistry,
Journal Year:
2024,
Volume and Issue:
22(45), P. 8967 - 8972
Published: Jan. 1, 2024
A
mild,
scalable,
and
high-yielding
visible-light-promoted
C-S
cross-coupling
between
alkyl
thiol
derivatives
(hetero)aryl
halides
without
the
need
for
metals,
ligands,
or
photocatalysts
is
reported,
offering
advantages
over
traditional
bond
forming
strategies.
The
formation
of
an
electron
donor-acceptor
(EDA)
complex
supported
by
experimental
computational
mechanistic
studies,
which
undergoes
visible-light-induced
charge
transfer
to
initiate
in
absence
a
photoredox
catalyst.
Language: Английский