PROCEDIMIENTO DE PREPARACION DE SEMICARBAZONA DE BETA NAF- TOQUINONA.

摘要

1298407 Naphthoquinone semicarbazone SERESCI SOC D'ETUDES ET DE REALISATIONS SCIENTIFIQUES SPRL 19 April 1971 [26 Aug 1970] 41059/70 Heading C2C #-Naphthoquinone semicarbazone is prepared by reacting an aqueous solution of semicarbazide hydrochloride with a boiling ethanolic solution of #-naphthoquinone, the amounts of water and ethanol present in the reaction mixture being such that the volume ratio water: ethanol is from 40 : 100 to 360 : 100.