Propanesultone- (1,3) (1) reacts with p-anisidine, m-nitroaniline, m-acetamidoaniline, 2- aminopyrimidine or glycine and give the aminosulphonic acids (2 a-e), dehydration of (2 a-e) yields (3 a-e). (3e) reacts with thionylchloride to give (4), which condenses with aniline, benzy- lamine hydrazine hydrate and ammonia to give rise to (5 a-d), respectively.