N-(Phenylthio)phthalimide is suitable reagent used in the synthesis of phenyl (3-trimethoxysilylpropyl)-disulfide.It may be used in the sulfenylation of ylidesand βketo esters.N-(Phenylthio)phthalimide may be used as sulfenylating agent in the synthesis of the following:α-phenylthio-ketones and α-phenylthio-aldehydes from aldehydes and ketones3-sulfenyl indoles from indolesoptically active 3-phenylthiooxindoles from unprotected 3-substituted oxindolesNalkyl-β-phenylsulfenyl-2-acetylbenzimidazole fromNalkyl2acetylbenzimidazoleNphenylsulfenyl ketimines from oximes or nitro compounds