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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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