Organocatalytic Atroposelective Fluorooxindole Addition to Coumarin Michael Acceptors
Chemical Communications,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Organocatalytic
atropisomeric
synthesis
with
fluorinated
oxindoles
and
4-halo-3-nitrocoumarins
gives
congested
structures
displaying
a
Csp2-Csp3
chirality
axis
an
adjacent
tetrasubstituted
stereogenic
carbon
center
good
yields,
up
to
97%
ee
41
:
1
dr.
The
scalable
dehalogenative
C-C
bond
formation
is
achieved
under
mild
conditions
commercially
available
urea
catalyst.
Язык: Английский
Enantioselective synthesis of chiral N-arylpyrroles through photoinduced desymmetrization
Green Synthesis and Catalysis,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 1, 2025
Язык: Английский
Enantioselective Desymmetrization of Biaryls via Cooperative Photoredox/Brønsted Acid Catalysis and Its Application to the Total Synthesis of Ancistrobrevolines
Journal of the American Chemical Society,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 5, 2025
Photoredox
catalysis
has
emerged
as
a
powerful
tool
for
forming
and
breaking
chemical
bonds,
further
taking
hold
with
its
integration
asymmetric
catalysis.
While
the
dual-catalytic
approach
led
to
successful
examples
of
control
stereogenic
centers,
axes
remained
underexplored.
In
this
study,
an
acylimine
intermediate
was
generated
through
photoredox
catalysis,
symmetric
substrate,
2-arylresorcinol,
desymmetrized
aid
chiral
phosphoric
acid
Using
approach,
center
axis
were
successfully
controlled
provide
natural-product-driven
compound.
The
origins
enantioselectivity
diastereoselectivity
investigated
density
functional
theory
study
four
possible
enantiodetermining
transition
states.
Consequently,
first
total
syntheses
ring-contracted
naphthylisoquinoline
alkaloid
ancistrobrevolines
A
B
accomplished
concisely.
This
provides
not
only
novel
methodology
strategy
synthesize
alkaloids
but
also
direction
advance
catalytic
research
synthesis
studies.
Язык: Английский
Visible Light-Driven Construction of Axially Chiral Heterocyclic Compounds
Topics in heterocyclic chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Язык: Английский
Enantioselective electrochemical and photochemical synthesis of atropisomers
Trends in Chemistry,
Год журнала:
2024,
Номер
6(9), С. 556 - 571
Опубликована: Июль 23, 2024
Язык: Английский
Catalytic asymmetric Friedländer condensation to construct cyclobutanone-fused quinolines with a quaternary stereogenic centre
Organic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(19), С. 5363 - 5367
Опубликована: Янв. 1, 2024
An
enantioselective
Friedländer
condensation
process
between
2-aminobenzophenone
and
prochiral
cyclobutane-1,3-dione
has
been
developed
to
construct
cyclobutanone-fused
quinolines
with
quaternary
stereogenic
centers
in
up
98%
yield
94%
ee
valve.
Язык: Английский