'A SIMPLE, SAFE AND COST EFFECTIVE PROCESS FOR PREPARATION OF HALQUINOL PRODUCT'.

摘要

Present invention relates to a process for preparing halquinol product containing 5,7-dichloro-8-quinolinol and 5-chloro-8-quinolinol comprising preparing acidic aqueous solution of 8-hydroxyquinoline by mixing 8-hydroxyquinoline with water and hydrochloric acid; and chlorinating at a temperature ranging between 10°C to 20°C with chlorine gas. The process is -simple, safe, cost effective and yielding desired components in desired percentages.