Access to CF3-benzofulvenes via palladium-catalyzed cascade arylation/Trost–Oppolzer cyclization/double-bond isomerization
Rami Sateesh,
Jaggaraju Prudhviraj,
Chiliveru Priyanka
и другие.
Chemical Communications,
Год журнала:
2024,
Номер
60(26), С. 3551 - 3554
Опубликована: Янв. 1, 2024
Highly
stereoselective
synthesis
of
CF
3
-benzofulvenes
has
been
achieved
through
a
Pd-catalyzed
cascade
reaction
involving
three
consecutive
transformations
such
as
arylation,
Trost–Oppolzer
type
Alder-ene
reaction,
and
double
bond
isomerization.
Язык: Английский
Cross-conjugated vinylogous annulation of π-CF3-allyl Pd-complexes with 4-methyl-3-trifluoroacetyl-quinolones
Chiliveru Priyanka,
Madhu Desagoni,
Palivela Siva Gangadhar
и другие.
Chemical Communications,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
A
hitherto
unknown
cross-conjugated
vinylogous
anionic
annulation
of
π-CF
3
-allyl
Pd-complexes
with
4-methyl-3-trifluoroacetyl
quinolones
has
been
disclosed
to
access
the
diversely
functionalized
phenanthridones.
Язык: Английский
Synthesis of 3‐Aryl Oxindoles having Trifluoromethylated Quaternary Stereocenters via Catalyst Free Arylation
Advanced Synthesis & Catalysis,
Год журнала:
2022,
Номер
365(1), С. 8 - 12
Опубликована: Ноя. 25, 2022
Abstract
Herein
we
report
the
synthesis
of
3‐aryl
oxindoles
having
trifluoromethylated
quaternary
stereocenters
through
catalyst
free
arylation
3‐trifluoromethyl,3‐tosyloxy
with
anisoles.
The
transformation
proceeds
via
electrophilic
3‐(trifluoromethyl)‐2
H
‐indolium
intermediate
(Michael
acceptor),
which
is
generated
by
heterolytic
cleavage
C‐OTs
bond
under
metal‐free
conditions
in
PEG‐400.
developed
strategy
offers
broad
substrate
scope,
extending
to
N,N
‐dimethyl‐anilines,
and
thio‐anisole
afford
range
3‐trifluoromethyl,3‐aryl
62–91%
yields.
magnified
image
Язык: Английский
Direct synthesis of trifluoroethylated benzofurans from silver-catalyzed annulation of trifluoromethyl propynols with phenols
Tetrahedron,
Год журнала:
2022,
Номер
121, С. 132929 - 132929
Опубликована: Июль 19, 2022
Язык: Английский
Expeditious synthesis of CF3-phenanthridones through a base mediated cross-conjugated vinylogous benzannulation (VBA)
Organic & Biomolecular Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
Herein,
we
report
a
mild,
efficient,
and
rapid
approach
for
the
preparation
of
CF
Язык: Английский
A simple and efficient approach for the synthesis of functionalized naphtho[2,1-b]furan via an one-pot, three-component reaction between Meldrum's acid, arylglyoxals, and β-naphthol
ARKIVOC,
Год журнала:
2022,
Номер
2022(9), С. 90 - 99
Опубликована: Окт. 25, 2022
A
simple
and
efficient
method
for
the
synthesis
of
2-(2-(aryl)naphtho[2,1-b]furan-1-yl)acetic
acid
derivatives
via
an
one-pot
three-component
reaction
Meldrum's
acid,
arylglyoxals,
β-naphthol
in
presence
triethylamine
(Et3N)
is
reported.The
protocol
avoids
use
expensive
catalysts,
chromatographic
separation
provides
a
wide
range
novel
naphtho[2,1-b]furans
excellent
yields.Spectral
data
elemental
analysis
have
characterized
newly
synthesized
compounds.
Язык: Английский
Five-membered ring systems: furans and benzofurans
Progress in heterocyclic chemistry,
Год журнала:
2023,
Номер
unknown, С. 209 - 253
Опубликована: Янв. 1, 2023
Язык: Английский
A first example of a palladium-catalyzed allylic substitution reaction at a perfluoroalkylene-attached asymmetric carbon center with carbon, nitrogen, and oxygen nucleophiles
Journal of Fluorine Chemistry,
Год журнала:
2023,
Номер
273, С. 110234 - 110234
Опубликована: Дек. 2, 2023
Язык: Английский