1.3??Dipolare Additionen, III. Umsetzungen des Diphenylnitrilimins mit Carbonyl und Thiocarbonyl??Verbindungen

R Huisgen, R Grashey, M Seidel…

Index: Huisgen,R. et al. Justus Liebigs Annalen der Chemie, 1962 , vol. 658, p. 169 - 180

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Citation Number: 95

Abstract

Abstract Diphenylnitrilimin, welches in situ aus Benz-phenylhydrazid-chlorid und Triäthylamin oder aus 2.5-Diphenyl-tetrazol bei 160–170 freigesetzt wird, geht 1.3-dipolare Additionen mit Aldehyden oder aktivierten Ketonen unter Bildung von 2.3-Dihydro-1.3. 4- oxadiazolen ein. Thioketone, Schwefelkohlenstoff, Thion-urethane, Thion-amide, Thion- carbonester und Isothiocyanate vermögen das Nitrilimin an der CS-Doppelbindung ...

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