The Vinylketene??Acylallene Rearrangement: Theory and Experiment

H Bibas, MW Wong, C Wentrup

Index: Bibas, Herve; Wong, Ming Wah; Wentrup, Curt Chemistry - A European Journal, 1997 , vol. 3, # 2 p. 237 - 248

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Citation Number: 28

Abstract

Abstract Alkoxyvinylketenes4are generated by flash vacuum thermolysis (FVT) or photolysis of 3-alkoxycyclobutenones3. The thermal interconversion of4and allene carboxylic acid esters5under FVT conditions is demonstrated by Ar matrix FTIR spectroscopy. In addition, ethoxy-vinylketene4bundergoes thermal elimination of ethene with formation ofs-cis-ands- trans-acetylketene (8). An analogous aminovinylketene-to-allenecarbox-amide ...

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