MANUFACTURE OF CRYSTAL VIOLET LACTONE

摘要

1325029 Preparation of crystal violet lactone BADISCHE ANILIN- & SODA-FABRIK AG 15 Dec 1970 [16 Dec 1969] 59469/70 Heading C4P Crystal violet lactone is prepared by condensing Michlers hydrol and m-dimethylaminoben. zoic acid under acid conditions, rendering the reaction mixture alkaline without isolating the leuco base and oxidizing to form the lactone.