发明名称 |
Trifluoroacetic acid process to prepare [2,3-B]pyridine intermediates |
摘要 |
The invention is a process for the preparation of a [2,3-b]pyridine of formula (II) which comprises: (1) contacting a malonate diester of formula (I) with trifluoroacetic acid; and (2) adjusting the pH with aqueous base to from about 9 to about 10.5.
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申请公布号 |
US2003212271(A1) |
申请公布日期 |
2003.11.13 |
申请号 |
US20030409801 |
申请日期 |
2003.04.09 |
申请人 |
SCOTT ALLEN |
发明人 |
SCOTT ALLEN |
分类号 |
C07D215/56;C07D491/04;C07D495/04;(IPC1-7):C07D491/02;C07D498/02;C07D413/02;C07D215/36 |
主分类号 |
C07D215/56 |
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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