Acylation products of 5,5-diphenylimidazolid-4-one
- 1 September 1967
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 45 (17) , 1925-1934
- https://doi.org/10.1139/v67-308
Abstract
Acylation of 5,5-diphenylimidazolid-4-one gives 1,3-diacyl-5,5-diphenylimidazolid-4-ones, and not 2-acyl-4,4-diphenyl-2,5-diaza-7-oxabicyclo[3.2.0]heptan-3-ones as claimed by Biltz and his co-workers. The reason for the unusual stability of the N1-acyl groups to acid and alkaline hydrolysis is discussed. The revised formulation allows the oxidation products of 1-acetyl-5,5-diphenylimidazolid-4-one to be rationalized in a simple fashion.Keywords
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