发明名称 |
Process for preparing 2-phenyl-3-naphthylpropionic acid derivatives |
摘要 |
A process for preparing a compound represented by general formulae (5) and (6) in the following reaction scheme or salts thereof, wherein R1 represents a protective group for a nitrogen atom; R2 represents a methanesulfonyl group or p-toluenesulfonyl group; R3 represents a hydrogen atom, an aralkyl group, or an alkyl group having 1 to 6 carbon atoms; and X represents a halogen atom.The above process is useful as an industrial process for preparing intermediates of anticoagulant aromatic amidine derivatives described in Japanese Patent Application Laid-Open (kokai) No. 208946/1993.
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申请公布号 |
US6252088(B1) |
申请公布日期 |
2001.06.26 |
申请号 |
US19990147785 |
申请日期 |
1999.03.08 |
申请人 |
DAIICHI PHARMACEUTICAL CO., LTD. |
发明人 |
YOKOYAMA YUKIO;KOBAYASHI TATSUYA;KOYAMA TAKEO |
分类号 |
C07C253/30;C07C255/50;C07C255/52;C07D207/12;(IPC1-7):C07D207/12 |
主分类号 |
C07C253/30 |
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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