发明名称 |
Process for producing chromans |
摘要 |
A process for producing chromans, comprising reacting a phenol, a formaldehyde and an alcohol in the presence of a secondary amine and an acid, to generate an alkoxymethylphenol compound with the ortho position to the phenolic hydroxyl group substituted with an alkoxymethyl group, and reacting the alkoxymethylphenol compound with an unsaturated compound having a carbon-carbon double bond.
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申请公布号 |
US6133471(A) |
申请公布日期 |
2000.10.17 |
申请号 |
US19990427117 |
申请日期 |
1999.10.26 |
申请人 |
KURARAY CO., LTD. |
发明人 |
MONOE, HIROYUKI;SATO, JUNKO;KANEHIRA, KOICHI;TAMAI, YOSHIN |
分类号 |
C07C43/178;C07C43/23;C07C69/017;C07D311/72;(IPC1-7):C07C43/115;C07C69/84 |
主分类号 |
C07C43/178 |
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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