Bifunctional Phosphonium Salt Directed Enantioselective Formal [4 + 1] Annulation of Hydroxyl-Substituted para-Quinone Methides with α-Halogenated Ketones

2019 ◽  
Vol 21 (18) ◽  
pp. 7298-7302 ◽  
Author(s):  
Jian-Ping Tan ◽  
Peiyuan Yu ◽  
Jia-Hong Wu ◽  
Yuan Chen ◽  
Jianke Pan ◽  
...  
Keyword(s):  
Phosphonium Salt ◽  
Quinone Methides

Asymmetric synthesis of spiro-structural 2,3-dihydrobenzofurans via the bifunctional phosphonium salt-promoted [4 + 1] cyclization of ortho-quinone methides with α-bromoketones

2019 ◽  
Vol 6 (22) ◽  
pp. 3799-3803 ◽  
Author(s):  
Song Zhang ◽  
Xiaojun Yu ◽  
Jianke Pan ◽  
Chunhui Jiang ◽  
Hongsu Zhang ◽  
...  
Keyword(s):  
Asymmetric Synthesis ◽  
Phosphonium Salt ◽  
Quinone Methides

A practical and scalable method for highly stereoselective construction of spiro-2,3-dihydrobenzofurans via cyclization of ortho-quinone methides and α-bromoketones by bifunctional phosphonium salt catalysis was developed.

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
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