专利名称：Process for the preparation of 2-Nitro-3,6-Dichlorophenol
发明人：MEIER, MICHAEL, DR.,KAUTZ, HEINZ-GEORG申请号：EP93104064.6申请日：19930312公开号：EP0561298A1公开日：19930922
摘要：Process for the preparation of 2-nitro-3,6-dichlorophenol by sulphonating 2,5-dichlorophenol and subsequently nitrating and desulphonating the product, the nitrationbeing carried out by metering in a nitrating acid composed of 98 to 100% strength nitricacid and 96 to 100% strength sulphuric acid at temperatures of from -15 to 35 DEG C andwith a metering time of at least 1 hour.
申请人：HOECHST AKTIENGESELLSCHAFT
地址：D-65926 FRANKFURT,D-65926 Frankfurt am Main DE
国籍：DE
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