Abstract:
In
this
research,
we
have
developed
a
series
of
PtII(C^N)(N-donor
ligand)Cl-type
phosphorescent
complexes
with
the
four-coordinate
organoboron
unit
in
C^N
ligand.
Through
shifting
coordinating
position
Pt(II)
center
from
phenyl
ring
to
pyridyl
2-phenylpyridine-type
(ppy-type)
unit,
variation
>
50
nm
charge-transfer
(CT)
absorption
band
and
40
wavelength
can
be
observed
synthesized
complexes,
indicating
effective
tuning
their
photophysical
properties
incurred
by
unit.
Accordingly,
obvious
electron
density
on
these
as
well
based
cyclic
voltammetry
results.
Critically,
ppy-type
exhibit
aggregation
enhanced
emission
(AEPE)
behavior.
It
seems
that
hydrogen
bonding
among
N-donor
ligands
water
molecules
affect
AEPE
response
greatly,
representing
new
way
tune
behavior
PtII(C^N)(N-
donor
complexes.
solution-processed
organic
light-emitting
diodes
(OLEDs),
peak
electroluminescent
(EL)
efficiencies
15.3%,
10.3
cd
A-1
9.8
lm
W-1
been
achieved
EL
at
ca.
648
nm.
These
impressive
results
provided
key
information
for
optoelectronic
Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: Jan. 7, 2025
3-Amino
boron
dipyrromethenes
(BODIPYs)
are
a
versatile
class
of
fluorophores
widely
utilized
in
live
cell
imaging,
photodynamic
therapy,
and
fluorescent
materials
science.
Despite
the
growing
demand
for
optically
active
BODIPYs,
synthesis
chiral
3-amino-BODIPYs,
particularly
catalytic
asymmetric
version,
remains
challenge.
Herein,
we
report
boron-stereogenic
3-amino-BODIPYs
via
palladium-catalyzed
desymmetric
C–N
cross-coupling
prochiral
3,5-dihalogen-BODIPYs.
This
approach
features
broad
substrate
scope,
excellent
functional
group
tolerance,
high
efficiency,
remarkable
enantioselectivities,
under
mild
reaction
conditions.
Further
stereospecific
formation
3,5-diamino-BODIPYs,
along
with
an
investigation
into
photophysical
properties
resulting
optical
BODIPYs
also
explored.
protocol
not
only
enriches
chemical
space
chiroptical
BODIPY
dyes
but
contributes
to
realm
chemistry.
(BODIPYs),
which
useful
science,
authors
first
cross-couplings.
European Journal of Organic Chemistry,
Journal Year:
2024,
Volume and Issue:
27(14)
Published: March 7, 2024
Abstract
Boron‐based
enantiomerism
is
fragile
due
to
the
inherent
tendency
of
a
dissociation
ligand
from
tetra‐coordinate
chiral
boron
complexes
under
formation
achiral
tri‐coordinate
species.
This
review
will
present
different
approaches
in
overcoming
racemization
boron‐stereogenic
compounds.
When
embedded
an
environment
ligands
or
substituents,
configurationally
stable
stereogenic
centers
can
form
diastereoselective
manner.
Compounds
incorporating
as
exclusive
center
are
obtained
by
resolution
racemic
mixtures.
The
recently
developed
–
much
more
efficient
methods
catalytic,
enantioselective
creation
compounds
highlighted
this
review.
Finally
chiroptical
properties
enantiomerically
pure
that
makes
them
promising
materials
devices
addressed.
Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
96(5), P. 2152 - 2157
Published: Jan. 27, 2024
Sensing
materials
innovation
plays
a
crucial
role
in
the
development
of
high-performance
film-based
fluorescent
sensors
(FFSs).
In
our
current
study,
we
present
innovative
fabrication
four
nanofilms
via
interfacially
confined
dynamic
reaction
specially
designed
building
block,
new
boron-coordinated
compound
(NI-CHO),
with
chosen
one,
benzene-1,3,5-tricarbohydrazide
(BTH).
The
as
prepared
are
robust,
uniform,
flexible,
and
thickness
tunable,
at
least
from
40
to
1500
nm.
fabricated
FFSs
based
on
Film
3,
one
nanofilms,
shows
highly
selective
fully
reversible
response
NH
Chinese Journal of Chemistry,
Journal Year:
2024,
Volume and Issue:
42(19), P. 2401 - 2411
Published: May 27, 2024
Comprehensive
Summary
The
21
st
century
has
witnessed
a
continuous
evolution
in
the
development
of
boron‐stereogenic
chemistry.
Since
1990s,
various
innovations
for
synthesis
tetracoordinate
compounds,
which
exhibited
great
potential
applications,
have
been
demonstrated
by
synthetic
chemists.
This
paper
reviews
significant
progress
and
recent
advances
towards
assembly
enantioenriched
hopes
to
shed
light
on
new
perspectives
inspire
further
research
this
emerging
field.
Biomedicines,
Journal Year:
2023,
Volume and Issue:
11(10), P. 2698 - 2698
Published: Oct. 3, 2023
Heteroatom
steroids,
a
diverse
class
of
organic
compounds,
have
attracted
significant
attention
in
the
field
medicinal
chemistry
and
drug
discovery.
The
biological
profiles
heteroatom
steroids
are
considerable
interest
to
chemists,
biologists,
pharmacologists,
pharmaceutical
industry.
These
compounds
shown
promise
as
potential
therapeutic
agents
treatment
various
diseases,
such
cancer,
infectious
cardiovascular
disorders,
neurodegenerative
conditions.
Moreover,
incorporation
heteroatoms
has
led
development
targeted
delivery
systems,
prodrugs,
other
innovative
approaches.
represent
fascinating
area
research,
bridging
fields
chemistry,
pharmacology.
exploration
their
chemical
diversity
activities
holds
for
discovery
novel
candidates
more
effective
treatments.
JACS Au,
Journal Year:
2025,
Volume and Issue:
5(4), P. 1965 - 1973
Published: April 2, 2025
The
precise
construction
of
boron
stereogenic
centers
represents
a
significant,
yet
challenging
frontier
in
asymmetric
catalysis,
garnering
growing
attention
recent
years.
However,
feasible
catalysis
has
primarily
been
limited
to
transition-metal-catalyzed
desymmetrization
pro-chiral
BODIPY
molecules,
while
enantioselective
synthesis
via
organocatalysis
remains
unexplored.
Herein,
we
achieve
an
organocatalyzed
C-N
bond-forming
SNAr
reaction
3,5-dihalogen
BODIPYs
phase-transfer
enabling
the
efficient
broad
range
boron-stereogenic
with
excellent
enantioselectivities
(>40
examples,
up
99%
ee).
significance
and
potential
this
catalytic
approach
are
further
underscored
by
versatile
applications
enantioenriched
3-amide
synthesis,
optical
activity
regulation,
bioimaging,
sensing,
promoting
development
fluorophores.
Journal of the Mexican Chemical Society,
Journal Year:
2025,
Volume and Issue:
69(1), P. 123 - 151
Published: Jan. 1, 2025
This
work
gives
an
overview
of
the
scientific
contributions
developed
in
research
group
prof.
Dr.
Hiram
Isaac
Beltrán
during
last
22
years
his
career,
mainly
at
Universidad
Autónoma
Metropolitana,
first
Unidad
Cuajimalpa
and
later
Azcapotzalco.
During
this
period,
was
carried
out
on
development
of,
(i)
organic
ligands
to
obtain
boron-coordination
compounds,
(ii)
diorganotin(IV)
coordination
compounds
directly
obtained
by
template
effect,
(iii)
applications
lines
derived
from
boron
tin,
(iv)
polymers
metal-organic
frameworks
(MOFs),
(v)
infiltrated
MOFs,
(vi)
band
gap
modulation
luminescence
properties
(vii)
biological
(viii)
macrocyclic
systems
their
applications,
(ix)
supramolecular
assemblies
applications.
Conducting
more
than
90
papers
about
20
patents
period.
All
involved
design
a
specific
molecular
or
material
system
with
precise
physicochemical
achieve
goal,
fulfill
function
even
be
(multi)functional
for
biologic,
industrial
purposes.
To
follow
all
these
directions,
some
concepts
will
highlighted
compendium
presented.
Acquiring
knowledge
experience
has
allowed
us
develop
functions
also
helped
other
groups
understand
own
under
investigation
furthered
field
applied
chemistry
multifunctional
level.
Resumen.
Este
trabajo
ofrece
una
visión
general
de
las
contribuciones
científicas
desarrolladas
en
el
grupo
investigación
del
durante
los
últimos
años
su
carrera,
principalmente
la
primero
y
luego
Durante
este
periodo,
se
ha
investigado
desarrollo
ligandos
orgánicos
para
obtención
compuestos
coordinación
con
boro,
diorganoestaño(IV)
obtenidos
directamente
por
efecto
templado,
aplicaciones
líneas
derivadas
boro
estaño
desarrollados,
polímeros
redes
metal-orgánicas
(MOF),
infiltración
modulación
banda
prohibida
propiedades
luminiscencia
(vii
)
biológicas
sistemas
macrocíclicos
sus
aplicaciones,
ensambles
supramoleculares
aplicaciones..
Realizando
más
artículos
alrededor
patentes
periodo.
Toda
esta
involucra
diseño
un
sistema
o
particular
fisicoquímicas
precisas
lograr
objetivo,
eventualmente
cumplir
función
incluso
ser
(multi)funcional
fines
biológicos,
científicos
industriales.
Para
seguir
todas
estas
investigación,
destacaron
algunos
conceptos
posteriormente
presentó
compendio.
La
adquisición
conocimiento
experiencia
permitido
diseñar
desarrollar
moleculares
materiales
funciones
específicas.
Esto
también
ayudado
otros
grupos
comprender
propios
estudio
impulsado
campo
química
aplicada
nivel
multifuncional.