ChemBioChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 9, 2024
The
continuous
development
of
click
reactions
with
new
connecting
linkage
is
crucial
for
advancing
the
frontiers
chemistry.
Selenium-nitrogen
exchange
(SeNEx)
chemistry,
a
versatile
chemistry
in
represents
an
all-encompassing
term
nucleophilic
substitution
events
that
replace
nitrogen
at
electrophilic
selenium(II)
center,
enabling
flexible
and
efficient
assembly
linkages
around
Se(II)
core.
Several
SeNEx
chemistries
have
been
developed
inspired
by
biochemical
reaction
between
Ebselen
cysteine
residue,
demonstrated
significant
potential
on-plate
nanomole-scale
parallel
synthesis,
selenium-containing
DNA-encoded
library
(SeDEL)
as
well
peptide
protein
bioconjugation.
This
concept
aims
to
present
origins,
advancements,
applications
selenium(II)-nitrogen
while
also
outlining
directions
future
research
this
field.
Expert Opinion on Drug Discovery,
Journal Year:
2023,
Volume and Issue:
19(2), P. 139 - 146
Published: Nov. 20, 2023
Introduction
Selenium
possesses
numerous
advantageous
properties
in
the
field
of
medicine,
and
a
variety
selenium-containing
compounds
have
been
documented
to
exhibit
anti-HIV
activity.
This
paper
aims
categorize
these
conduct
SAR
analysis
offer
guidance
for
drug
design
optimization.
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(15)
Published: Feb. 12, 2024
Abstract
Click
chemistry
is
a
powerful
molecular
assembly
strategy
for
rapid
functional
discovery.
The
development
of
click
reactions
with
new
connecting
linkage
great
importance
expanding
the
toolbox.
We
report
first
selenium‐nitrogen
exchange
(SeNEx)
reaction
between
benzoselenazolones
and
terminal
alkynes
(Se−N
to
Se−C),
which
inspired
by
biochemical
SeNEx
Ebselen
cysteine
(Cys)
residue
Se−S).
formed
selenoalkyne
connection
readily
elaborated,
thus
endowing
this
multidimensional
diversity.
Besides,
modular,
predictable,
high‐yielding,
features
fast
kinetics
(k2≥14.43
M
−1
s
),
excellent
group
compatibility,
works
well
at
miniaturization
(nanomole‐scale),
opening
up
many
interesting
opportunities
organo‐Se
synthesis
bioconjugation,
as
exemplified
sequential
(coupled
ruthenium‐catalyzed
azide‐alkyne
cycloaddition
(RuAAC)
sulfur‐fluoride
(SuFEx)),
selenomacrocycle
synthesis,
nanomole‐scale
Se‐containing
natural
product
library
DNA‐encoded
(DEL),
late‐stage
peptide
modification
ligation,
multiple
functionalization
proteins.
These
results
indicated
that
useful
developments,
established
will
serve
transformative
platform
in
multidisciplinary
fields
such
synthetic
chemistry,
material
science,
chemical
biology,
medical
drug
ChemBioChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 9, 2024
The
continuous
development
of
click
reactions
with
new
connecting
linkage
is
crucial
for
advancing
the
frontiers
chemistry.
Selenium-nitrogen
exchange
(SeNEx)
chemistry,
a
versatile
chemistry
in
represents
an
all-encompassing
term
nucleophilic
substitution
events
that
replace
nitrogen
at
electrophilic
selenium(II)
center,
enabling
flexible
and
efficient
assembly
linkages
around
Se(II)
core.
Several
SeNEx
chemistries
have
been
developed
inspired
by
biochemical
reaction
between
Ebselen
cysteine
residue,
demonstrated
significant
potential
on-plate
nanomole-scale
parallel
synthesis,
selenium-containing
DNA-encoded
library
(SeDEL)
as
well
peptide
protein
bioconjugation.
This
concept
aims
to
present
origins,
advancements,
applications
selenium(II)-nitrogen
while
also
outlining
directions
future
research
this
field.