发明名称 |
Process for the preparation of (6-methoxy-2-naphthyl)-(1-bromoethyl)-ketone and its derivatives |
摘要 |
A process is described for the preparation of (6-methoxy-2-naphthyl)-(1-bromoethyl)-ketone or ketals thereof (I), by selective debromination of (5-bromo-6-methoxy-2-naphthyl)-(1-bromoethyl)-ketone or ketals thereof (III) by means of a bromine acceptor in the presence of an acid and of an inert organic solvent. The bromine acceptor is preferably a phenol, a phenol ether or an aromatic ketone. The acid is preferably an halogenidric acid.
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申请公布号 |
US4748256(A) |
申请公布日期 |
1988.05.31 |
申请号 |
US19860867954 |
申请日期 |
1986.05.29 |
申请人 |
ZAMBON SPA |
发明人 |
DONATI, DANIELE;GIORDANO, CLAUDIO;CASTALDI, GRAZIANO |
分类号 |
C07C45/00;C07C45/63;C07C45/65;C07C49/84;C07C67/00;C07D317/32;C07D319/06;(IPC1-7):C07D317/16 |
主分类号 |
C07C45/00 |
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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