Structure of the alleged diels-alder add
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Edward C. Taylor; E. Smakula Hand
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Article
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1962
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Elsevier Science
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French
β 303 KB
Frequentreferencelamade lnthe lIteraturea to the Mele-Alder reaatlon of 2,+kuethylquinoxallne (purportedly reacting in itr tautomeric ram I) vlth maleic anhydride to give the "edduct" 11s or IIb. This cm-lr re-ported= to ha= the elementary analyale C14HLpllnOe, not to mlt below 300Β°, to be yellow, r