发明名称 |
Process for preparing 2,5-dimethoxy benzaldehyde |
摘要 |
The present invention recites a process for the of 2,5-dimethoxy-benzaldehyde by reacting a 2-hydroxy-5 methoxy-benzaldehyde with a suitable metal hydroxide in the presence of a suitable solvent to make a metal salt of 2-hydroxy-5-methoxy benzaldehyde comprising. The invention further provides a method for alkylating said metal salts with dimethylsulfate in the presence of a suitable solvent so as to provide a 2,5-dimethoxy benzaldehyde.
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申请公布号 |
US2003199714(A1) |
申请公布日期 |
2003.10.23 |
申请号 |
US20020124856 |
申请日期 |
2002.04.18 |
申请人 |
SHANKS THOMAS ELBERT;MALESKI ROBERT JOSEPH |
发明人 |
SHANKS THOMAS ELBERT;MALESKI ROBERT JOSEPH |
分类号 |
C07C45/64;C07C45/68;C07C45/70;C07C45/81;C07C45/82;C07C47/575;(IPC1-7):C07C47/565;C07C45/61 |
主分类号 |
C07C45/64 |
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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