发明名称 |
Process for preparing 1-amino-naphthalene-7-sulphonic acid |
摘要 |
1-Amino-naphthalene-7-sulphonic acid is prepared by reacting 1-chloro-naphthalene-4,7-disulphonic acid with ammonia at elevated temperatures in the presence of water and optionally in the presence of a catalyst such as a copper catalyst.
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申请公布号 |
US4091013(A) |
申请公布日期 |
1978.05.23 |
申请号 |
US19760706099 |
申请日期 |
1976.07.16 |
申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
PUTTER, ROLF;KLAG, GUNTHER;BLANK, HEINZ ULRICH |
分类号 |
C07C67/00;C07C301/00;C07C303/22;C07C309/47;(IPC1-7):C07C143/60;C07C85/04 |
主分类号 |
C07C67/00 |
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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