Asymmetric Carbene Insertion into Se‐S Bonds by Synergistic Rh(II)/Guanidine Catalysis Involving Chalcogen‐Bond Assistance
Xin He,
No information about this author
Yihua Fu,
No information about this author
Ruiying Xi
No information about this author
et al.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 2, 2024
The
efficient
construction
of
chalcogen-atom-based
chiral
compounds
remains
a
challenge,
despite
the
importance
organoselenium
and
organosulfur
in
life
materials
science.
Chalcogen
atoms
can
form
net
attractive
interactions
called
chalcogen
bonds,
but
it
is
an
undeveloped
tool
to
assist
asymmetric
catalysis.
Herein,
we
report
enantioselective
insertion
platform
install
stereogenic
center
bearing
selenyl
thiocyano
functional
groups.
Our
method
operates
by
synergistic
catalysis
guanidine
achiral
dirhodium
complex
three-component
or
four-component
reaction,
through
Se-S
bond
into
carbene
species,
competing
successfully
with
spontaneous
racemic
process
showing
high
regioselectivity.
As
elucidated
spectroscopic
experiments
computational
studies,
unique
mechanism
involving
as
well
hydrogen
bonding
was
established
account
for
enantiocontrol.
stereoselectivity
holds
broad
array
selenylthiocyanatopropanoates,
which
showed
excellent
anti-inflammatory
toward
IL-1β
low
cytotoxicity.
Language: Английский
Asymmetric Carbene Insertion into Se‐S Bonds by Synergistic Rh(II)/Guanidine Catalysis Involving Chalcogen‐Bond Assistance
Xin He,
No information about this author
Yihua Fu,
No information about this author
Ruiying Xi
No information about this author
et al.
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 2, 2024
Abstract
The
efficient
construction
of
chalcogen‐atom‐based
chiral
compounds
remains
a
challenge,
despite
the
importance
organoselenium
and
organosulfur
in
life
materials
science.
Chalcogen
atoms
can
form
net
attractive
interactions
called
chalcogen
bonds,
but
it
is
an
undeveloped
tool
to
assist
asymmetric
catalysis.
Herein,
we
report
enantioselective
insertion
platform
install
stereogenic
center
bearing
selenyl
thiocyano
functional
groups.
Our
method
operates
by
synergistic
catalysis
guanidine
achiral
dirhodium
complex
three‐component
or
four‐component
reaction,
through
Se−S
bond
into
carbene
species,
competing
successfully
with
spontaneous
racemic
process
showing
high
regioselectivity.
As
elucidated
spectroscopic
experiments
computational
studies,
unique
mechanism
involving
as
well
hydrogen
bonding
was
established
account
for
enantiocontrol.
stereoselectivity
holds
broad
array
selenylthiocyanatopropanoates,
which
showed
excellent
anti‐inflammatory
toward
IL‐1β
low
cytotoxicity.
Language: Английский