Divergent Conversion of Double Isocyanides with Alkenyl Bromide to Polysubstituted Pyrroles and 4-Imino-4,5-dihydropyrrolo[3,4-b]pyrrol-6(1H)-one Derivatives by Pd-Catalyzed Tandem Cyclization Reactions

2022 ◽  
Author(s):  
Zhi-Lin Ren ◽  
Ji-Ying Qiu ◽  
Ling-Ling Yuan ◽  
Yue-Fei Yuan ◽  
Shuang Cai ◽  
...  
Keyword(s):  
Cyclization Reactions ◽  
Tandem Cyclization

Tandem cyclization reactions of electron rich arylethylamino acid amides. An entry to the dihydroimidazoisoquinolin-3(2H)-one ring system

2014 ◽  
Vol 55 (34) ◽  
pp. 4837-4839 ◽  
Author(s):  
Emily Cherney ◽  
Joseph Macor ◽  
Christina Papanagapolous ◽  
David A. Hunt
Keyword(s):  
Ring System ◽  
Cyclization Reactions ◽  
Tandem Cyclization

Competitive Condensation and Tandem Cyclization Reactions of 2-Cyano-3-ferrocenylacrylonitrile with Amidines in an Aqueous Medium

Heterocycles ◽  
2012 ◽  
Vol 85 (10) ◽  
pp. 2505 ◽  
Author(s):  
Elena I. Klimova ◽  
Marcos Flores-Alamo ◽  
José M. Méndez Stivalet ◽  
Tatiana Klimova
Keyword(s):  
Aqueous Medium ◽  
Cyclization Reactions ◽  
Tandem Cyclization

ChemInform Abstract: Competitive Condensation and Tandem Cyclization Reactions of 2-Cyano-3-ferrocenylacrylonitrile with Amidines in an Aqueous Medium.

ChemInform ◽  
2013 ◽  
Vol 44 (6) ◽  
pp. no-no
Author(s):  
Elena I. Klimova ◽  
Marcos Flores-Alamo ◽  
Jose M. Mendez Stivalet ◽  
Tatiana Klimova
Keyword(s):  
Aqueous Medium ◽  
Cyclization Reactions ◽  
Tandem Cyclization

A One-Pot Methodology for the Synthesis of the Yohimban Skeleton

Synlett ◽  
2017 ◽  
Vol 28 (14) ◽  
pp. 1753-1757 ◽  
Author(s):  
Claudio Parra ◽  
Pablo Solís ◽  
Josep Bonjoch ◽  
Ben Bradshaw
Keyword(s):  
Cyclization Reactions ◽  
One Pot ◽  
Keto Ester ◽  
Cross Metathesis ◽  
Whole Process ◽  
Tandem Cyclization ◽  
The One

A simple and straightforward assembly of the yohimban skeleton was achieved by condensation of an acyclic β-keto ester with tryptamine, followed by consecutive cross metathesis and tandem cyclization reactions, leading to the formation of three new rings. The whole process was readily carried out in the one-flask providing a rapid entry to the pentacyclic scaffold of yohimbine alkaloids.

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