Angewandte Chemie,
Journal Year:
2023,
Volume and Issue:
136(7)
Published: Dec. 22, 2023
Abstract
This
paper
presents
a
Mn(I)‐catalysed
methodology
for
the
enantioselective
hydrophosphination
of
terminal
alkenyl
aza‐heteroarenes.
The
catalyst
operates
through
H−P
bond
activation,
enabling
successful
diverse
range
alkenyl‐heteroarenes
with
high
enantioselectivity.
presented
protocol
addresses
inherently
low
reactivity
and
commonly
encountered
suboptimal
enantioselectivities
these
challenging
substrates.
As
an
important
application
we
show
that
this
method
facilitates
synthesis
non‐symmetric
tridentate
P,N,P‐containing
ligand
like
structure
in
just
two
synthetic
steps
using
single
catalytic
system.
Russian Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
93(7), P. RCR5125 - RCR5125
Published: July 1, 2024
The
chemistry
of
heterocyclic
compounds
has
traditionally
been
and
remains
a
bright
area
chemical
science
in
Russia.
This
is
due
to
the
fact
that
many
heterocycles
find
widest
application.
These
are
key
structural
fragments
most
drugs,
plant
protection
agents.
Many
natural
also
derivatives
heterocycles.
At
present,
more
than
half
hundreds
millions
known
collective
review
devoted
achievements
Russian
chemists
this
field
over
last
15–20
years.
presents
leading
heterocyclists
representing
both
RAS
institutes
university
science.
It
worth
noting
wide
scope
review,
terms
geography
author
teams,
covering
whole
our
large
country,
diversity
research
areas.
Practically
all
major
types
represented
review.
special
attention
focused
on
practical
applications
design
new
drugs
biologically
active
compounds,
high-energy
molecules,
materials
for
organic
electronics
photovoltaics,
ligands
coordination
chemistry,
other
rapidly
developing
advances
would
not
be
possible
without
development
fundamental
transformations
chemistry.<br>
Bibliography
—
2237
references.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
63(7)
Published: Dec. 22, 2023
Abstract
This
paper
presents
a
Mn(I)‐catalysed
methodology
for
the
enantioselective
hydrophosphination
of
terminal
alkenyl
aza‐heteroarenes.
The
catalyst
operates
through
H−P
bond
activation,
enabling
successful
diverse
range
alkenyl‐heteroarenes
with
high
enantioselectivity.
presented
protocol
addresses
inherently
low
reactivity
and
commonly
encountered
suboptimal
enantioselectivities
these
challenging
substrates.
As
an
important
application
we
show
that
this
method
facilitates
synthesis
non‐symmetric
tridentate
P,N,P‐containing
ligand
like
structure
in
just
two
synthetic
steps
using
single
catalytic
system.
Pharmaceuticals,
Journal Year:
2023,
Volume and Issue:
16(5), P. 766 - 766
Published: May 19, 2023
Metal
complexes
feature
a
wide
range
of
available
geometries,
diversified
lability,
controllable
hydrolytic
stability,
and
easily
rich
redox
activity.
These
characteristics,
combined
with
the
specific
properties
coordinated
organic
molecules,
result
in
many
different
mechanisms
biological
action,
making
each
myriads
classes
metal
coordination
compounds
unique.
This
focused
review
presents
systematized
results
studies
group
copper(I)
(pseudo)halide
aromatic
diimines
tris(aminomethyl)phosphines
general
formula
[CuX(NN)PR
Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 26, 2024
The
reactivity
of
ruthenium
hydride
complexes
supported
by
2-((di-tert-butylphosphaneyl)methyl)pyridine,
L1
and
2-(di-tert-butylphosphaneyl)pyridine,
L2,
was
explored.
reaction
{Ru(COD)Cl2}x
with
in
the
presence
base
10
bar
H2
gave
expected
complex
[Ru(L1)2(H)Cl],
1,
while
same
L2
[Ru(L2)(P(H)tBu2)(H)Cl],
2,
that
results
from
cleavage
a
C–P
bond.
We
were
able
to
establish
under
conditions
first
species
formed
is
[Ru(L2)2(H)Cl],
3,
this
decomposes
give
2
equilibrium
[Ru(L2)2Cl2],
4.
proposed
mechanism
obtained
DFT
has
protonation
carbon
as
highest
energy
step
(38.9
kcal/mol),
consistent
slow
reaction.
Preliminary
studies
reveal
very
active
catalyst
hydrogenation
benzaldehyde
(TONs
up
44,000).
Molecules,
Journal Year:
2023,
Volume and Issue:
28(3), P. 1257 - 1257
Published: Jan. 27, 2023
A
new
Ag/Cu
bimetallic
cluster
[Ag10Cu6(bdppthi)2(C≡CPh)12(EtOH)2](ClO4)4
(1,
bdppthi
=
N,N'-bis(diphenylphosphanylmethyl)-tetrahydroimidazole)
exhibited
strong
phosphorescent
(PL)
emission
at
644
nm
upon
excitation
400
nm.
Removal
of
the
coordinated
EtOH
molecules
in
1
resulted
derivative
1a,
which
significant
red-shifted
678
The
structure
and
PL
was
restored
on
exposure
to
vapor.
Cluster
1a
also
a
vapor-chromic
response
towards
other
common
organic
solvent
vapors
including
acetone,
MeOH
MeCN.
PMMA
film
developed
as
reusable
visible
sensor
for
Molecules,
Journal Year:
2023,
Volume and Issue:
28(14), P. 5513 - 5513
Published: July 19, 2023
The
reaction
of
CF3COOAg,
3-bdppmapy
(N,N-bis(diphenylphosphanylmethyl)-3-aminopyridine)
and
HTZ
(1,2,4-triazole-3-thiol)
in
CH2Cl2/MeOH
resulted
a
dinuclear
Ag/P/S
complex
[Ag2(TZ)2(3-bdppmapy)2]·xSol
(1·xSol).
Crystals
1·xSol
converted
to
1·2MeOH
air
at
room
temperature
further
1
under
vacuum
upon
heating.
solid-state,
room-temperature
photoluminescent
emission
(510
nm)
shifted
494
nm
(1·2MeOH)
486
(1).
Grinding
solids
amorphous
1G
characterized
by
solid-state
468
nm,
which
1GR
with
513
MeOH
treatment.
returned
1G,
this
interconversion
was
reproducible
over
five
cycles.
photoluminescence
changed
response
vapors
containing
low-molecular
weight
alcohols
but
remained
unchanged
after
exposure
other
volatile
organic
compounds
(VOCs)
or
water
vapor.
Test
papers
impregnated
could
detect
methanol
from
aqueous
solutions
concentrations
above
50%.
Complex
is,
therefore,
an
example
stimuli-responsive
molecular
sensor
for
the
detection
alcohols.
Metal
complexes
feature
a
wide
range
of
available
geometries,
diversified
lability,
controllable
hydrolytic
stability,
and
easily
rich
redox
activity.
These
characteristics
combined
with
the
specific
properties
coordinated
organic
molecules
result
in
many
different
mechanisms
biological
action,
making
each
myriads
classes
metal
coordination
compounds
unique.
This
focused
review
presents
systematized
results
studies
group
copper(I)
(pseudo)halide
aromatic
diimines
tris(aminomethyl)phosphines
general
formula
[CuX(NN)PR3],
where
X
=
I-
or
NCS-,
NN
2,2’-bipyridyl,
1,10-phenanthroline,
2,9-dimethyl-1,10-phenanthroline
2,2’-biquinoline,
PR3
Air-stable
tris(aminomethyl)phosphines.
The
structural
electronic
phosphine
ligands
luminescent
are
discussed.
2,9-dimethyl-1,10-phenanthroline,
apart
from
being
air-
water-stable,
exhibit
very
high
vitro
antimicriobial
activity
against
Staphylococcus
aureus
Candida
albicans.
Moreover,
some
also
show
strong
antitumor
human
ovarian
carcinoma
cell
lines:
MDAH
2774
SCOV
3,
CT26
(mouse
colon
carcinoma),
A549
(human
lung
adenocarcinoma)
lines.
tested
moderately
able
to
induce
DNA
lesions
through
free
radical
processes,
however
trends
do
not
reflect
observed
differences
Chemistry - A European Journal,
Journal Year:
2023,
Volume and Issue:
30(18)
Published: Dec. 7, 2023
For
more
than
five
decades,
P-stereogenic
aminophosphine
chalcogenides
and
boranes
have
attracted
scientific
attention
are
still
in
the
focus
of
ongoing
research.
In
last
years,
novel
transition
metal-based
synthesis
methods
been
discovered,
addition
to
long-known
use
chiral
auxiliaries.
Enantiomerically
pure
compounds
with
N-P