Hantzsch-like synthesis of the 10b-azachrysenes, spirocyclic oxindole of 10b-azachrysene and 10a-azaphenanthrene utilizing 2-(6,7-dimethoxy-3,4-dihydroisoquinolin-1-yl)acetonitrile as a precursor

2020 ◽  
pp. 1-10
Author(s):  
Mohamed A. Mohamed Teleb ◽  
Hamdi M. Hassaneen ◽  
Ismail A. Abdelhamid ◽  
Fatma M. Saleh
Keyword(s):  
Spirocyclic Oxindole

A spirocyclic oxindole analogue: Synthesis and antitumor activities

2011 ◽  
Vol 22 (9) ◽  
pp. 1009-1012 ◽  
Author(s):  
Hui Hong ◽  
Long Jiang Huang ◽  
Da Wei Teng
Keyword(s):  
Antitumor Activities ◽  
Spirocyclic Oxindole

scholarly journals An Efficient Synthesis of a Spirocyclic Oxindole Analogue

Molecules ◽  
2006 ◽  
Vol 11 (9) ◽  
pp. 700-706 ◽  
Author(s):  
Dawei Teng ◽  
Hongxing Zhang ◽  
A. Mendonca
Keyword(s):  
Efficient Synthesis ◽  
Spirocyclic Oxindole

An organocatalytic Michael-aldol cascade: formal [3+2] annulation to construct enantioenriched spirocyclic oxindole derivatives

2012 ◽  
Vol 48 (42) ◽  
pp. 5160 ◽  
Author(s):  
Shu-Wen Duan ◽  
Yang Li ◽  
Yi-Yin Liu ◽  
You-Quan Zou ◽  
De-Qing Shi ◽  
...  
Keyword(s):  
Spirocyclic Oxindole

Highly enantioselective sequential vinylogous aldol reaction/transesterification of methyl-substituted olefinic butyrolactones with isatins for the construction of chiral spirocyclic oxindole-dihydropyranones

2019 ◽  
Vol 55 (63) ◽  
pp. 9327-9330 ◽  
Author(s):  
Zhen-Hua Wang ◽  
Xia-Yan Zhang ◽  
Chuan-Wen Lei ◽  
Jian-Qiang Zhao ◽  
Yong You ◽  
...  
Keyword(s):  
Aldol Reaction ◽  
Spirocyclic Oxindole

A highly stereoselective sequential vinylogous aldol reaction/transesterification of methyl-substituted olefinic butyrolactones and isatins was developed with 10 mol% Takemoto's amine–thiourea catalyst.

ChemInform Abstract: NHC-Catalyzed Oxidative γ-Addition of α,β-Unsaturated Aldehydes to Isatins: A High-Efficiency Synthesis of Spirocyclic Oxindole-dihydropyranones.

ChemInform ◽  
2014 ◽  
Vol 45 (32) ◽  
pp. no-no
Author(s):  
Rui Liu ◽  
Chenxia Yu ◽  
Zhaoxin Xiao ◽  
Tuanjie Li ◽  
Xiangshan Wang ◽  
...  
Keyword(s):  
High Efficiency ◽  
Unsaturated Aldehydes ◽  
Spirocyclic Oxindole

An Organocatalytic Asymmetric Diels-Alder Strategy for the Enantioselective Synthesis of Spirocyclic Oxindole-Cyclohexenones

Heterocycles ◽  
2016 ◽  
Vol 92 (11) ◽  
pp. 1953 ◽  
Author(s):  
Hiyoshizo Kotsuki ◽  
Aoi Matsugi ◽  
Shiori Nunokawa ◽  
Naruhisa Watanabe ◽  
Yuya Nakata ◽  
...  
Keyword(s):  
Diels Alder ◽  
Enantioselective Synthesis ◽  
Spirocyclic Oxindole

Total Synthesis of the Spirocyclic Oxindole Alkaloids Corynoxine, Corynoxine B, Corynoxeine, and Rhynchophylline

2013 ◽  
Vol 2013 (6) ◽  
pp. 1100-1106 ◽  
Author(s):  
Martin J. Wanner ◽  
Steen Ingemann ◽  
Jan H. van Maarseveen ◽  
Henk Hiemstra
Keyword(s):  
Total Synthesis ◽  
Spirocyclic Oxindole ◽  
Oxindole Alkaloids
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