Recent advances in the metal-catalyzed asymmetric alkene hydrogenation of cyclic conjugated carbonyl compounds
Organic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(10), С. 2934 - 2953
Опубликована: Янв. 1, 2024
This
review
summarizes
the
recent
advances
(2016–2023)
in
stereoselective
metal-catalyzed
hydrogenation
of
cyclic
α,β-unsaturated
ketones,
lactams
and
lactones
since
considerable
developments
were
made.
Where
possible
application
these
methodologies
synthesis
is
outlined.
Язык: Английский
Cyclolignan synthesis streamlined by enantioselective hydrogenation of tetrasubstituted olefins
Nature Synthesis,
Год журнала:
2024,
Номер
3(8), С. 986 - 997
Опубликована: Июнь 20, 2024
Язык: Английский
Enantioselective total syntheses of (−)-mitragynine, (−)-quinine and (+)-quinidine enabled by Ir-catalysed asymmetric hydrogenation of all-carbon tetrasubstituted cycloalkenes
Organic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(5), С. 1456 - 1461
Опубликована: Янв. 1, 2024
Syntheses
of
(−)-mitragynine,
(−)-quinine
and
(+)-quinidine
are
reported
based
on
Ir-catalysed
asymmetric
hydrogenation
tetrasubstituted
α-acylpyrazole-β-alkyl
cycloalkenes
to
construct
piperidine
rings
bearing
1,2-contiguous
cis
-stereocenters
in
high
yields
excellent
enantioselectivities.
Язык: Английский
Asymmetric hydrogenation of tetrasubstituted β-phosphorylated α,β-unsaturated esters catalyzed by nickel complexes of chiral phosphinooxazolines
Cell Reports Physical Science,
Год журнала:
2024,
Номер
unknown, С. 102261 - 102261
Опубликована: Окт. 1, 2024
Язык: Английский
Enantioselective Total Synthesis of (+)‐Propolisbenzofuran B†
Chinese Journal of Chemistry,
Год журнала:
2024,
Номер
42(22), С. 2833 - 2839
Опубликована: Июль 22, 2024
Comprehensive
Summary
The
first
catalytic
asymmetric
total
synthesis
of
(+)‐propolisbenzofuran
B,
enabled
by
a
highly
enantioselective
rhodium‐catalyzed
hydrogenation
tetrasubstituted
olefin,
was
described.
Other
noteworthy
aspects
include
the
construction
central
hydrodibenzo[
b
,
d
]furan
core
through
sequence
Zn(II)‐mediated
regioselective
benzofuran
formation
and
Dieckmann
condensation,
as
well
C‐H
oxidations,
involving
visible
light‐induced
Fe(III)‐catalyzed
benzylic
C(sp
3
)‐H
oxidation.
Additionally,
absolute
configuration
confirmed
X‐ray
analysis
carbonate
intermediate.
Язык: Английский