Keywords
4-aminoisoxazole
basicity
isoxazolo[4,5-e][1,4]diazepin-5-one
Abstract
Treatment of 5-benzoyl-4-(iodoacetylamino)isoxazoles with alcoholic ammonia leads to isoxazolo[4,5-e][1,4]diazepin-5-ones, whereas the analogous chloroacetylamino derivatives are converted into a mixture of the deacylated 4-aminoisoxazoles and isoxazolo- [4,5-d]pyrimidines.
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