发明名称 |
Process for preparation of a benzofuran derivative |
摘要 |
An industrially useful process for producing benzofuran derivatives of formula (1) by formylating a compound of formula (2) (where A1 is a protective group), followed by reaction with a compound of formula (4) (where X1 is a halogen atom), then performing a cyclizing reaction and subsequently performing a reaction for hydroxyl group deprotection.
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申请公布号 |
US2003204100(A1) |
申请公布日期 |
2003.10.30 |
申请号 |
US20030333220 |
申请日期 |
2003.01.21 |
申请人 |
TAMURA KUNIO;SHIMIZU HIROHITO;KATO YOSHIAKI;SHIMIZU MASAHIRO |
发明人 |
TAMURA KUNIO;SHIMIZU HIROHITO;KATO YOSHIAKI;SHIMIZU MASAHIRO |
分类号 |
C07D307/79;(IPC1-7):C07D307/87 |
主分类号 |
C07D307/79 |
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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