... Journal of Medicinal Chemistry. ... Results and Discussion. Chemistry. Arylhydrazines 1b−j were commercially available, whereas methanesulfonylhydrazine 1a was obtained (Scheme 1) by nucleophilic substitution of 4-chlorophenylmethyl sulfone with hydrazine. ...
![[4-(Methylsulfonyl)phenyl]hydrazine hydrochloride Structure](https://image.chemsrc.com/caspic/459/877-66-7.png)