Green Chemistry,
Journal Year:
2023,
Volume and Issue:
25(4), P. 1464 - 1472
Published: Jan. 1, 2023
N
-Formylation
of
amines
to
formamides
was
achieved
at
a
low
temperature
by
total
utilization
the
carbon
atoms
glycerol
derivatives
as
C
1
feedstock
over
CuZr/5A
via
˙OH–˙OOH
radical
mechanism.
Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
63(25), P. 11821 - 11831
Published: June 7, 2024
A
series
of
ruthenium
complexes
(Ru1–Ru4)
bearing
new
NNN-pincer
ligands
were
synthesized
in
58–78%
yields.
All
the
are
air
and
moisture
stable
characterized
by
IR,
NMR,
high-resolution
mass
spectra
(HRMS).
In
addition,
structures
Ru1–Ru3
confirmed
X-ray
crystallographic
analysis.
These
Ru(II)
exhibited
high
catalytic
efficiency
broad
functional
group
tolerance
N-methylation
reaction
amines
using
CH3OH
as
both
C1
source
solvent.
Experimental
results
indicated
that
electronic
effect
substituents
on
considerably
affects
reactivity
which
Ru3
an
electron-donating
OMe
showed
highest
activity.
Deuterium
labeling
control
experiments
suggested
dehydrogenation
methanol
to
generate
hydride
species
was
rate-determining
step
reaction.
Furthermore,
this
protocol
also
provided
a
ready
approach
versatile
trideuterated
N-methylamines
under
mild
conditions
CD3OD
deuterated
methylating
agent.
The Journal of Organic Chemistry,
Journal Year:
2022,
Volume and Issue:
88(8), P. 4965 - 4974
Published: Nov. 30, 2022
In
this
Perspective,
the
use
of
methanol
and
ethanol
as
C1
C2
feedstocks
in
metal-catalyzed
C-C
couplings
to
π-unsaturated
pronucleophiles
via
hydrogen
auto-transfer
is
surveyed.
these
processes,
alcohol
oxidation
form
an
aldehyde
electrophile
balanced
by
reduction
hydrocarbon
a
transient
organometallic
nucleophile.
Mechanistically
related
reductive
paraformaldehyde
mediated
reductants
or
formic
acid
also
are
described.
These
processes
encompass
first
catalytic
enantioselective
and,
more
broadly,
illustrate
how
native
reducing
ability
alcohols
enable
departure
from
premetalated
reagents
carbonyl
addition.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(26)
Published: April 3, 2024
Herein
we
present
a
new
strategy
for
the
oxidative
synthesis
of
formamides
from
various
types
amines
and
bioderived
formyl
sources
(DHA,
GLA
GLCA)
molecular
oxygen
(O
Chemical Communications,
Journal Year:
2021,
Volume and Issue:
58(1), P. 10 - 28
Published: Nov. 18, 2021
N-Heteroarenes
are
widely
used
for
numerous
medicinal
applications,
lifesaving
drugs
and
show
utmost
importance
as
intermediates
in
chemical
synthesis.
This
feature
article
highlights
the
recent
advances,
from
2015
to
August
2021,
on
sp2
sp3
C-H
bond
functionalization
reactions
of
various
N-heteroarenes
catalyzed
by
non-precious
transition
metals
(Mn,
Co,
Fe,
Ni,
etc.).
The
salient
features
report
are:
(i)
development
newer
catalysis
Csp2-H
activation
categorized
into
alkylation,
alkenylation,
borylation,
cyanation,
annulation
reactions,
(ii)
advances
Csp3-H
considering
approaches
alkylation
well
alkenylation
processes,
(iii)
synthetic
applications
practical
utility
catalytic
protocols
utilized
late-stage
drug
development;
(iv)
scope
along
with
mechanistic
studies
detail
findings
important
processes.