N-ACYLATED α-AMINONITRILES AND THEIR CONVERSION INTO 5-AMINOOXAZOLE, 5(4H)-OXAZOLONE AND 4(5H)-IMIDAZOLONE DERIVATIVES

Article abstract of DOI:10.1016/0040-4020(84)80023-X

In contrast with the reaction of α-aminonitriles 1a, the corresponding N-acylated α-aminonitriles 1b-f and oxalyl chloride do not yield pyrazinone derivatives, but 5-aminooxazoles 9-11 or 4(5H)-imidazolones 12, the latter being converted in some cases int