Annulation of enaminones with quinonediimides/quinoneimides for selective synthesis of indoles and 2-aminobenzofurans
Zukang Zhong,
No information about this author
Lihua Liao,
No information about this author
Yunyun Liu
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et al.
Chemical Communications,
Journal Year:
2023,
Volume and Issue:
59(45), P. 6885 - 6888
Published: Jan. 1, 2023
The
annulation
reactions
of
enaminones
with
quinonediimides/quinoneimides
for
the
selective
synthesis
indoles
and
2-aminobenzofurans
have
been
realized.
With
Zn(II)
catalysis,
quinonediimides
reacted
to
give
via
HNMe2-elimination-based
aromatization.
Fe(III)
quinoneimides
provided
a
key
dehydrogenative
Language: Английский
Regioselective [3+2]‐Spiroannulation and [4+n]‐Annulation Approaches through Activation of C−H Bond Facilitated by Ru(II) as Catalyst: Role of Solvent Selectivity
Advanced Synthesis & Catalysis,
Journal Year:
2024,
Volume and Issue:
366(8), P. 1863 - 1876
Published: Feb. 21, 2024
Abstract
Ru(II)‐catalyzed
and
solvent‐switched
[3+2]‐spiroannulation
[4+n]
(n=1,
2,
3)
annulations
of
2‐aryl
quinazolinone
or
2‐aryl‐2,3‐dihydrophthalazine‐1,4‐diones
with
ynones
alkynyl
alcohol
1,3‐diynes
under
mild
reaction
conditions
have
been
analyzed.
These
reactions
take
place
in
the
presence
appropriate
solvent
features
a
redox‐neutral
pathway.
Ynone
serves
as
an
‘atypical
one‐carbon
unit’
[4+1]
annulation
generates
tetrasubstituted
carbon
center
bearing
diverse
heterocycles
through
[3+2]
strategies.
Post
transformations
synthesized
spiro‐products
augments
potential
developed
methodology.
Language: Английский
The literature of heterocyclic chemistry, part XXII, 2022
Advances in heterocyclic chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Language: Английский
Rhodium-Catalyzed Enantioselective Spiroannulation of 2-Alkenylphenols with Alkynes
Suzhen Zhang,
No information about this author
Wenwen Zhang,
No information about this author
Hui Yang
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et al.
Chinese Journal of Organic Chemistry,
Journal Year:
2023,
Volume and Issue:
43(8), P. 2926 - 2926
Published: Jan. 1, 2023
84%收率和
81%
ee
对映选择性获得手
性螺环己烯酮化合物.该反应条件温和,
具有良好的官能团耐受性.
Language: Английский
Rhodium(iii)-catalyzed C–H alkylation of arylhydrophthalazinediones with α-Cl ketones as sp3-carbon alkylated agents
He Li,
No information about this author
Haichun Gu,
No information about this author
Ning Xu
No information about this author
et al.
Organic & Biomolecular Chemistry,
Journal Year:
2023,
Volume and Issue:
21(10), P. 2096 - 2100
Published: Jan. 1, 2023
A
C–H
alkylation
of
arylhydrophthalazinediones
catalyzed
by
[Cp*RhCl
2
]
is
developed
using
α-Cl
ketones
as
sp
3
-carbon
alkylated
agents.
Language: Английский