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发明名称
Process for preparing substituted pyridines
摘要
A process for preparing a compound of the formula:wherein n, R<1>, R<2>, R<3 >and X are as defined above, used as an intermediate in the synthesis of beta-adrenergic receptor agonists.
申请公布号
US6844441(B2)
申请公布日期
2005.01.18
申请号
US20030684146
申请日期
2003.10.10
申请人
PFIZER INC
发明人
DOW ROBERT L.;SCHNEIDER STEVEN R.
分类号
C07D213/40;C07B61/00;C07D213/30;C07D213/61;C07D405/04;C07D405/12;C07D411/04;C07F7/18;(IPC1-7):C07D213/30
主分类号
C07D213/40
代理机构
代理人
主权项
地址
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