METHOD FOR PRODUCING 2,3-DICHLORO-1,4-NAPHTHOQUINONE

摘要

PROBLEM TO BE SOLVED: To provide a method for producing 2,3-dichloro-1,4-naphthoquinone industrially simply, mass-productively and yet in a high yield at an inexpensive cost.;SOLUTION: 1,4-Naphthoquinone is chlorinated with gaseous chlorine in the presence of a hydrochloric acid catalyst and an alcohol solvent.;COPYRIGHT: (C)2011,JPO&INPIT