Organic Chemistry Frontiers,
Journal Year:
2024,
Volume and Issue:
11(17), P. 4913 - 4925
Published: Jan. 1, 2024
This
minireview
highlights
recent
advancements
in
the
past
five
years
(since
2019)
Ni/photoredox
dual
catalysis
for
Csp
3
–Csp
cross-coupling
reactions.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(16)
Published: Feb. 22, 2024
Abstract
We
report
the
triply
selective
and
sequential
diversification
of
a
single
C
sp
3
carbon
carrying
Cl,
Bpin
GeEt
for
modular
programmable
construction
‐rich
molecules.
Various
functionalizations
−Cl
−BPin
(e.g.
alkylation,
arylation,
homologation,
amination,
hydroxylation)
were
tolerated
by
−GeEt
group.
Moreover,
methodological
repertoire
alkyl
germane
functionalization
was
significantly
expanded
beyond
hitherto
known
Giese
addition
arylation
to
alkynylation,
alkenylation,
cyanation,
halogenation,
azidation,
C−S
bond
formation
as
well
first
demonstration
stereo‐selective
‐[Ge]
bond.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: June 19, 2024
Abstract
C-
1
Glycals
serve
as
pivotal
intermediates
in
synthesizing
diverse
C
-glycosyl
compounds
and
natural
products,
necessitating
the
development
of
concise,
efficient
user-friendly
methods
to
obtain
glycosides
is
essential.
The
Suzuki-Miyaura
cross-coupling
glycal
boronates
notable
for
its
reliability
non-toxic
nature,
but
donor
stability
remains
a
challenge.
Herein,
we
achieve
significant
breakthrough
by
developing
stable
boronates,
effectively
overcoming
issue
glycal-based
Suzuki–Miyaura
coupling.
Leveraging
balanced
reactivity
our
establish
robust
palladium-catalyzed
reaction,
facilitating
formation
various
C(
sp
2
)-C(
),
3
)
bonds
under
mild
conditions.
Notably,
expand
upon
this
achievement
DNA-compatible
reaction
synthesize
glycal-DNA
conjugates.
With
excellent
reactivity,
stability,
generality,
ease
handling,
method
holds
promise
widespread
appication
preparation
products.
Chemical Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Generation
of
organic
radicals
from
organometallic
compounds
is
a
key
step
in
metallaphotoredox
cross-coupling
reactions.
The
ability
organoindium
to
serve
as
sources
alkyl
under
light
promoted
oxidative
conditions
described.
Organoindium
reagents
were
used
dual
photocatalytic/nickel
with
aryl
bromides.
These
can
be
conveniently
obtained
primary,
secondary
and
tertiary
bromides
chlorides
using
novel
indium(i)
bromide/lithium
bromide
system.
Both
steps,
the
formation
organoindiums
their
are
insensitive
towards
air
moisture
tolerate
wide
variety
functional
groups.
The Journal of Organic Chemistry,
Journal Year:
2024,
Volume and Issue:
89(16), P. 11826 - 11835
Published: July 26, 2024
Hydrofluoroalkylation
of
alkenes
with
organozinc
reagents
under
photocatalytic
conditions
is
described.
The
fluorinated
alkyl
radicals
were
generated
from
organozincs
by
the
single
electron
oxidation
carbon-zinc
bond.
radical
addition
step
followed
either
hydrogen
atom
transfer
for
unactivated
olefins
or
a
reduction/protonation
sequence
strongly
accepting
arylidenemalononitriles.
Triazole
derivatives
of
fluorescein
containing
N,N-dimethylaminopropyl
fragments
and
their
ammonium
salts
were
synthesized
with
yields
74
-
85%.
The
resulting
compounds
exhibit
fluorescent
properties
in
the
green
region
visible
spectrum.
critical
aggregation
concentration
(CAC)
was
estimated
using
a
py-rene
probe
corresponding
to
range
0.28
1.43
mM,
at
concentrations
above
CAC
form
stable
aggregates
ranging
from
165
202
nm.
A
relative
quantum
yield
5-24%
has
been
calculated
based
on
fluorescence
UV
spectra.
best
value
is
shown
by
derivative
tetradecyl
substituent.
When
studying
photocatalytic
through
reaction
between
N-substituted
1,2,3,4-tetrahydroisoquinoline
malonic
ester,
mono-tetradecyl
deriva-tive
demonstrated
results.
According
gas
chromatography-mass
spectrometry
(GC-MS)
data,
conversion
initial
heterocycle
reached
95%.
Therefore,
these
have
potential
act
as
an
effective
photocatalysts.
Organics,
Journal Year:
2024,
Volume and Issue:
5(3), P. 346 - 360
Published: Sept. 11, 2024
Triazole
derivatives
of
fluorescein-containing
N,N-dimethylaminopropyl
fragments
and
their
ammonium
salts
were
synthesized
with
yields
74–85%.
The
resulting
compounds
exhibit
fluorescent
properties
in
the
green
region
visible
spectrum.
critical
aggregation
concentration
(CAC)
was
estimated
using
a
pyrene
probe
corresponding
to
range
0.28–1.43
mM,
at
concentrations
above
CAC,
form
stable
aggregates
ranging
from
165
202
nm.
A
relative
quantum
yield
5–24%
has
been
calculated
based
on
fluorescence
UV
spectra.
best
value
is
shown
by
derivative
containing
tetradecyl
substituent.
When
studying
photocatalytic
through
reaction
between
N-substituted
1,2,3,4-tetrahydroisoquinoline
malonic
ester,
mono-tetradecyl
demonstrated
results.
According
gas
chromatography–mass
spectrometry
(GC-MS)
data,
conversion
initial
heterocycle
reached
95%.
Therefore,
these
have
potential
act
as
an
effective
photocatalysts.
ACS Catalysis,
Journal Year:
2024,
Volume and Issue:
unknown, P. 18457 - 18468
Published: Dec. 3, 2024
The
conventional
approach
to
developing
asymmetric
synthetic
methods
relies
heavily
on
empirical
optimization.
However,
the
integration
of
artificial
intelligence
(AI)
and
high-throughput
experimentation
(HTE)
technology
presents
a
paradigm
shift
with
immense
potential
revolutionize
discovery
optimization
reactions.
In
this
study,
we
present
an
efficient
workflow
for
development
series
nickel-catalyzed
cross-coupling
reactions,
leveraging
AI
HTE
technology.
Many
enantioselective
reactions
share
common
Ni(III)
intermediate,
which
dictates
enantioselectivity.
To
harness
mechanistic
insight,
embarked
predictive
model
coupling
elucidating
general
rules
governing
Through
application
data
science
tools
technology,
curated
set
construct
AI-based
model.
This
was
subsequently
utilized
facilitate
nickel
hydride-catalyzed
regioselective
Employing
AI-assisted
virtual
ligand
screening
HTE-enabled
condition
optimization,
successfully
identified
optimal
ligands
eight
Consequently,
chiral
sp3
C–C
bonds
were
synthesized
high
yield