发明授权
US4680420A Process for the producing 2,5-dimethoxytetrahydrofuran and
2,5-diethoxytetrahydrofuran
失效
制备2,5-二甲氧基四氢呋喃和2,5-二乙氧基四氢呋喃的方法
- 专利标题: Process for the producing 2,5-dimethoxytetrahydrofuran and 2,5-diethoxytetrahydrofuran
- 专利标题(中): 制备2,5-二甲氧基四氢呋喃和2,5-二乙氧基四氢呋喃的方法
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申请号: US936296申请日: 1986-12-01
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公开(公告)号: US4680420A公开(公告)日: 1987-07-14
- 发明人: Juan Andrade , Gunter Prescher
- 申请人: Juan Andrade , Gunter Prescher
- 申请人地址: DEX Frankfurt
- 专利权人: Degussa Aktiengesellschaft
- 当前专利权人: Degussa Aktiengesellschaft
- 当前专利权人地址: DEX Frankfurt
- 优先权: DEX3544046 19851213
- 主分类号: C07D307/20
- IPC分类号: C07D307/20
摘要:
A process is described for producing 2,5-dimethoxytetrahydrofuran and 2,5-diethoxytetrahydrofuran by treating 4,4-dimethoxy-1-butanal and 4,4-diethoxy-1-butanal with a strongly acidic ion exchange resin at a temperature of between 0.degree. and 70.degree. C.
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