发明名称 PROCESS FOR PREPARING NEW DIPHENYLAMINE COMPOUNDS
摘要 1409311 Fluoran compound YAMAMOTO KAGAKU GOSEI KK 5 Sept 1972 [14 Sept 1971] 41058/72 Heading C4P [Also in Division C2] 2 - Anilino - 3 - methyl - 6 - diethylaminofluoran is obtained by reacting 2-methyl-4- methoxy - diphenylamine with 2 - (4<SP>1</SP> - diethylamino-2<SP>1</SP>-hydroxy) -benzoylbenzoic acid in conc. H 2 SO 4 at ambient temperatures.
申请公布号 ZA7206209(B) 申请公布日期 1973.06.27
申请号 ZA19720006209 申请日期 1972.09.12
申请人 YAMAMOTO KAGAKU GOSEI KK 发明人 HATANO Y;YAMAMOTO K
分类号 C07D493/10;B01J21/00;B41M5/145;B41M5/327;C07B61/00;C07C67/00;C07C213/00;C07C217/92;C07C231/00;C07C231/12;C07C233/25;C09B11/28 主分类号 C07D493/10
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