Benzannulation of heterocyclic ring systems through coupling of Fischer carbene complexes and heterocycle-bridged enynes

2005 ◽  
Vol 46 (13) ◽  
pp. 2211-2214 ◽  
Author(s):  
Yanshi Zhang ◽  
Daniel Candelaria ◽  
James W. Herndon
Keyword(s):  
Heterocyclic Ring ◽  
Fischer Carbene Complexes ◽  
Carbene Complexes ◽  
Ring Systems ◽  
Fischer Carbene

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.

One-Pot Three-Component Synthesis of Quinoxaline, Quinazoline, and Phenazine Ring Systems Using Fischer Carbene Complexes

Synthesis ◽  
2011 ◽  
Vol 2011 (09) ◽  
pp. 1419-1426 ◽  
Author(s):  
Binay Ghorai ◽  
Soumita Mukherjee ◽  
Priyabrata Roy
Keyword(s):  
Fischer Carbene Complexes ◽  
One Pot ◽  
Carbene Complexes ◽  
Ring Systems ◽  
Fischer Carbene
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