93560-94-2Relevant articles and documents
4-Imidazolidinones from Nitrones and Isocyanides. - Molecular Structure of 5-tert-Butyl-1,2,2-trimethyl-3-(2,4,6-tribromophenyl)-4-imidazolidinone
Moderhack, Dietrich,Lorke, Michael,Schomburg, Dietmar
, p. 1685 - 1695 (2007/10/02)
Certain reactions of nitrone 1 and isocyanide 2, in the presence of ether-boron trifluoride, afford 4-imidazolidinones 4 which have been shown to be ring expansion products of the 4-imino-1,2-oxazetidines 3. 1,2,4-Oxadiazolidin-5-ones 5 (rather than 3 or