Coupling of Fischer Carbene Complexes with Conjugated Enyne−Aldehydes and Ketones:  A Novel Synthesis of Furan Derivatives

1998 ◽  
Vol 63 (14) ◽  
pp. 4564-4565 ◽  
Author(s):  
James W. Herndon ◽  
Haixia Wang
Keyword(s):  
Fischer Carbene Complexes ◽  
Furan Derivatives ◽  
Carbene Complexes ◽  
Fischer Carbene ◽  
Novel Synthesis ◽  
Aldehydes And Ketones

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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