FIELD: pharmaceutic industry. SUBSTANCE: method is carried out by distillation of 8-oxyquinoline with vapor, condensation of distillate followed by separating condensate. Pure 8-oxyquinoline is prepared by separation condensed distillate at 75-85 C. Melting point of desired product is 74-75 C. EFFECT: improves efficiency of the method. 1 dwg
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Authors
Dates
1994-03-15—Published
1991-07-03—Filed