Application Synthesis of 4-sulfonyliminopiperidine and its reaction with benzyl Grignard to form an important pharmaceutical building block, 4-benzyl-4-aminopiperidne.1 Also used to prepare spiro tosylaziridines via methylene insertion into the derived sulfonylimine.2 Ellman′s Sulfinamides Packaging 1, 5 g in glass bottle 25 g in poly bottle