ChemInform Abstract: REACTIONS OF ARYL CHROMIUM CARBENE COMPLEXES WITH ALKOXALKYNE: O-QUINONEMETHIDE FORMATION AND UNUSUAL DIELS-ALDER DIMERIZATION

1985 ◽  
Vol 16 (29) ◽  
Author(s):  
A. YAMASHITA ◽  
T. A. SCAHILL ◽  
C. G. CHIDESTER
Keyword(s):  
Diels Alder ◽  
Carbene Complexes ◽  
Chromium 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.

Synthesis of indolocarbazoles via annulations of chromium carbene complexes

1997 ◽  
Vol 38 (39) ◽  
pp. 6787-6790 ◽  
Author(s):  
Craig A. Merlic ◽  
Daniel M. McInnes ◽  
Ying You
Keyword(s):  
Carbene Complexes ◽  
Chromium Carbene

Electron pairing analysis of the Fischer-type chromium–carbene complexes (CO)5CrC(X)R (X=H, OH, OCH3, NH2, NHCH3 and R=H, CH3, CHCH2, Ph, CCH )

2003 ◽  
Vol 294 (2) ◽  
pp. 129-139 ◽  
Author(s):  
Jordi Poater ◽  
Montserrat Cases ◽  
Xavier Fradera ◽  
Miquel Duran ◽  
Miquel Solà
Keyword(s):  
Carbene Complexes ◽  
Electron Pairing ◽  
Chromium Carbene
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