发明名称 |
Semicarbazide intermediates for preparing 4-substituted indoles |
摘要 |
A new chemical sequence for preparing certain indoles is disclosed which employes certain 2-substituted-6-nitrophenylacetaldehyde semicarbazones claimed here. Said semicarbazones are cyclized to the indoles by low pressure hydrogenation.
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申请公布号 |
US4454337(A) |
申请公布日期 |
1984.06.12 |
申请号 |
US19830471572 |
申请日期 |
1983.03.02 |
申请人 |
SMITHKLINE BECKMAN CORPORATION |
发明人 |
KRUSE, LAWRENCE I. |
分类号 |
C07D209/08;(IPC1-7):C07C79/46;C07C79/35;C07C79/00 |
主分类号 |
C07D209/08 |
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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