PRODUCTION OF TETRAHYDRO-4H-PYRAN-4-ONE

PURPOSE:To produce the subject compound by reacting a 1,5-dihalopentan--3-one in the presence of a phosphoric acid salt, a carboxylic acid and water while reducing formation of insoluble substances complicating the after-treatment of the reaction solution. CONSTITUTION:This method for production of...

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Hauptverfasser:	KASHIWAGI KOICHI, HARADA KATSUMASA, SUGISE RIYOUJI
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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