Highly Enantioselective Construction of Multifunctional Silicon‐Stereogenic Silacycles by Asymmetric Enamine Catalysis
Xue‐Xin Zhang,
No information about this author
Yang Gao,
No information about this author
Yan‐Xue Zhang
No information about this author
et al.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(9)
Published: Jan. 10, 2023
We
report
the
first
highly
enantioselective
construction
of
silicon-stereocenters
by
asymmetric
enamine
catalysis.
An
unprecedented
desymmetric
intramolecular
aldolization
prochiral
siladials
was
thus
developed
for
facile
access
multifunctional
silicon-stereogenic
silacycles
in
high
to
excellent
enantioselectivity.
With
an
enal
moiety,
these
adducts
could
be
readily
elaborated
diverse
synthesis
compounds,
and
late-stage
modification.
Language: Английский
Recent Progress in the Synthesis of Silaspiranes
Hua Chen,
No information about this author
Xuejiao Hu,
No information about this author
Wanshu Wang
No information about this author
et al.
Chemistry - A European Journal,
Journal Year:
2023,
Volume and Issue:
29(70)
Published: Sept. 23, 2023
Abstract
Silaspiranes
bearing
a
spiro‐silicon
center
are
promising
ring
frameworks
for
the
synthesis
of
novel
spirocyclic
molecules
possessing
unique
properties.
Development
efficient
methods
towards
these
structures
has
therefore
attracted
considerable
attentions
synthetic
chemists.
This
minireview
highlights
representative
advances
in
field,
and
is
categorized
into
four
parts
according
to
formation
strategies:
cyclization,
annulation,
expansion
cycloaddition.
Language: Английский
Rhodium-Catalyzed (Asymmetric) Annulation of Silacyclobutanes with Bicyclic Olefins via C–Si Bond Activation
ACS Catalysis,
Journal Year:
2024,
Volume and Issue:
unknown, P. 17453 - 17459
Published: Nov. 12, 2024
The
carbon-to-silicon
switch
gives
rise
to
silacycles
that
offer
eminent
biological
and
photophysical
properties.
Access
chiral
silacycles,
especially
midsized
ones,
via
intermolecular
coupling
remains
a
considerable
challenge
due
limited
synthetic
methods.
Herein,
rhodium(I)-catalyzed
annulations
between
benzosilacyclobutenes
(SCBs)
bicyclic
olefins
are
presented.
A
series
of
stable
seven-membered
have
been
accessed
in
high
enantioselectivity
the
enantioselective
[4
+
3]
annulation
SCBs
7-oxabenzonorbornadienes
formal
[2σ
2σ]
C–C
O–Si
coupling.
mechanism
has
investigated,
where
C–Si
oxidative
addition
SCB
established
as
turnover-limiting
step.
Language: Английский
Highly Enantioselective Construction of Multifunctional Silicon‐Stereogenic Silacycles by Asymmetric Enamine Catalysis
Xue‐Xin Zhang,
No information about this author
Yang Gao,
No information about this author
Yan‐Xue Zhang
No information about this author
et al.
Angewandte Chemie,
Journal Year:
2023,
Volume and Issue:
135(9)
Published: Jan. 10, 2023
Abstract
We
report
the
first
highly
enantioselective
construction
of
silicon‐stereocenters
by
asymmetric
enamine
catalysis.
An
unprecedented
desymmetric
intramolecular
aldolization
prochiral
siladials
was
thus
developed
for
facile
access
multifunctional
silicon‐stereogenic
silacycles
in
high
to
excellent
enantioselectivity.
With
an
enal
moiety,
these
adducts
could
be
readily
elaborated
diverse
synthesis
compounds,
and
late‐stage
modification.
Language: Английский