One-Pot Enantioselective Formation of Eight-Membered Rings from Alkenyl Fischer Carbene Complexes and Ketone Enolates

2002 ◽  
Vol 124 (31) ◽  
pp. 9056-9057 ◽  
Author(s):  
José Barluenga ◽  
Alejandro Diéguez ◽  
Félix Rodríguez ◽  
Josefa Flórez ◽  
Francisco J. Fañanás
Keyword(s):  
Fischer Carbene Complexes ◽  
One Pot ◽  
Carbene Complexes ◽  
Fischer Carbene ◽  
Ketone Enolates

scholarly journals One-pot three-component synthesis of quinoxaline and phenazine ring systems using Fischer carbene complexes

2010 ◽  
Vol 6 ◽  
Author(s):  
Priyabrata Roy ◽  
Binay Krishna Ghorai
Keyword(s):  
Diels Alder ◽  
Fischer Carbene Complexes ◽  
One Pot ◽  
Carbene Complexes ◽  
Ring Systems ◽  
First Report ◽  
Fischer Carbene ◽  
Carbonyl Derivatives ◽  
Transient Intermediates ◽  
Three Component Coupling

One-pot three-component coupling ofo-alkynylheteroaryl carbonyl derivatives with Fischer carbene complexes and dienophiles leading to the synthesis of quinoxaline and phenazine ring systems has been investigated. This involves the generation of furo[3,4-b]pyrazine and furo[3,4-b]quinoxaline as transient intermediates, which were trapped with Diels–Alder dienophiles. This is the first report on furo[3,4-b]pyrazine intermediates.

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