Method for preparing10,10'-oxyphenoxarsine of industrial anti midew agent

A process for preparing industrial antimildew agent 10,10'-oxybiphenoxarsine (OBPA) features the thermal reaction of 10-chlorophenoxarisin (CPA) and the aqueous solution of sodium hydroxide in solvent. It is possible to add phase-transfer catalyst. Its advantages are high output rate (99.3-99.7...

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Bibliographische Detailangaben
Hauptverfasser:	ZHIREN RONG, YUQUAN MAO, LIUGEN GU
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM AGRICULTURE ANIMAL HUSBANDRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CHEMISTRY FISHING FORESTRY HUMAN NECESSITIES HUNTING METALLURGY ORGANIC CHEMISTRY PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF TRAPPING
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Beschreibung
Zusammenfassung:	A process for preparing industrial antimildew agent 10,10'-oxybiphenoxarsine (OBPA) features the thermal reaction of 10-chlorophenoxarisin (CPA) and the aqueous solution of sodium hydroxide in solvent. It is possible to add phase-transfer catalyst. Its advantages are high output rate (99.3-99.7%), and high purity (99.5-99.8%).