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.
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
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