Abstract
A new synthesis of imidazolinones and quinazolinones by intramolecular aza-Wittig reaction is described. Readily available azido substituted imides 4 , 6 , 10 , and 12 reacted with triphenylphosphine or tributylphosphine to afford the corresponding imidazolinones 1 , 7 and quinazolinones 2 , 12 via the Staudinger reaction, followed by an intramolecular aza-Wittig reaction.
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