发明名称 |
Method for producing 1,2-naphthoquinone-2-diazide derivatives |
摘要 |
An effective method for producing a 1,2-naphthoquinone-2-diazide or a sulfo-substituted compound thereof from a 2-diazo-1-naphthalenesulfonic acid or a sulfo-substituted compound thereof. A 1,2-naphthoquinone-2-diazide derivative or a sulfo-substituted compound thereof is derived from a 2-diazo-1-naphthalenesulfonic acid or a sulfo-substituted compound thereof by use of an aqueous alkaline solution containing iodine; an aqueous alkaline solution containing iodine which is dissolved in an organic solvent; or an aqueous alkaline solution containing an oxidizing agent and iodine or an iodine compound.
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申请公布号 |
US6077941(A) |
申请公布日期 |
2000.06.20 |
申请号 |
US19990333785 |
申请日期 |
1999.06.15 |
申请人 |
TOYO GOSEI KOGYO CO., LTD. |
发明人 |
IIDA, HIROTADA;YONEYAMA, NOBUHIRO;TOBISHIMA, SEIJU;ITAHANA, TOSHIO;KOJIMA, KUNIHIKO |
分类号 |
C07C245/12;C07C303/22;C07C303/32;C07C309/34;(IPC1-7):C07C245/00 |
主分类号 |
C07C245/12 |
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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