Synthesis of Benzo[e][1,4]thiazepines by Base-Induced Formal [4+3] Annulation Reaction of Aza-o-quinone Methides and Pyridinium 1,4-Zwitterionic Thiolates

2021 ◽  
Author(s):  
Lijie Zhang ◽  
Ling Fang ◽  
Hao Huang ◽  
Chaofan Wang ◽  
Fang Gao ◽  
...  
Keyword(s):  
Quinone Methides

Rh(III)-Catalyzed Redox-Neutral Cascade Annulation of Benzamides with p -Quinone Methides

2020 ◽  
Vol 2020 (29) ◽  
pp. 4494-4498
Author(s):  
Vinaykumar Kanchupalli ◽  
Rahul K. Shukla ◽  
Anurag Singh ◽  
Chandra M. R. Volla
Keyword(s):  
Quinone Methides

Base-mediated sequential one-pot approach for the synthesis of 2,3-disubstituted indoles from 2-(tosylamino)aryl-substituted para-quinone methides

Tetrahedron ◽  
2021 ◽  
Vol 82 ◽  
pp. 131950
Author(s):  
Rajat Pandey ◽  
Gurdeep Singh ◽  
Vinod Gour ◽  
Ramasamy Vijaya Anand
Keyword(s):  
Quinone Methides ◽  
One Pot

Palladium-Catalyzed Generation of ortho-Quinone Methides. A Three-Component Synthesis of L-Shaped Dimeric Steroidal Scaffolds

2021 ◽  
Vol 86 (5) ◽  
pp. 4112-4120
Author(s):  
Martha C. Mayorquín-Torres ◽  
Armando Navarro-Huerta ◽  
Mauricio Maldonado-Domínguez ◽  
Marcos Flores-Álamo ◽  
Braulio Rodríguez-Molina ◽  
...  
Keyword(s):  
Quinone Methides ◽  
Palladium Catalyzed

Copper-catalyzed 1,6-conjugate addition of para-quinone methides with diborylmethane

2021 ◽  
Author(s):  
Xin Li ◽  
Guoliang Gao ◽  
Songtao He ◽  
Qiuling Song
Keyword(s):  
Catalytic System ◽  
Conjugate Addition ◽  
Quinone Methides ◽  
High Yields

Presented herein is the first 1,6-conjugate addition of diborylmethane, which is promoted by a simple and inexpensive copper catalytic system. This method features high yields, good selectivities and broad functional...

Copper(I)-catalyzed [4+2] cycloaddition of aza-ortho-quinone methides with bicyclic alkenes

2021 ◽  
Author(s):  
Lu Lei ◽  
Yu-Feng Liang ◽  
Cui Liang ◽  
Jiang-ke Qin ◽  
Chengxue Pan ◽  
...  
Keyword(s):  
Mechanistic Studies ◽  
Quinone Methides

A variety of tetrahydroquinoline-fused bicycles bearing multiple stereocenters are prepared in good yields with high diastereoselectivity through Cu2O-catalyzed [4+2] cycloaddition of aza-ortho-quinone methides (ao-QMs) with bicyclic alkenes. Mechanistic studies reveal...

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