Reaktionen mit cyclischen Oxalylverbindungen, XXIII. Zur Reaktion heterocyclischer Fünfring??2, 3??dione mit Carbodiimiden–Eine Synthesemöglichkeit für hetero?? …

G Kollenz, G Penn, W Ott, K Peters…

Index: Kollenz, Gert; Penn, Gerhard; Ott, Walter; Peters, Karl; Peters, Eva-Maria; et al. Chemische Berichte, 1984 , vol. 117, # 4 p. 1310 - 1329

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Abstract

Abstract Das 2, 3-Furandion 1 reagiert mit Diaryl-bzw. Arylalkylcarbodiimiden zu 4-[α- (Arylimino) benzyl]-2, 3-furandionen 5, die oberhalb 60 C z, u 2, 3-Pyrroldionen 2 isomerisieren. 1, 2 und 5 setzen sich mit dem sehr reaktiven Dimethylcarbodiimid unter ...

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