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发明名称
Preparation of cyclic ethers
摘要
Cyclic ethers such as tetrahydrofuran, dioxane, and tetrahydropyran are produced by reacting dimethyl carbonate with an appropriate primary dihalide in the presence of a quaternary ammonium or phosphonium salt.
申请公布号
US4336195(A)
申请公布日期
1982.06.22
申请号
US19810230245
申请日期
1981.02.02
申请人
THE DOW CHEMICAL COMPANY
发明人
RENGA, JAMES M.
分类号
C07D307/08;C07D307/87;C07D309/04;C07D319/12;(IPC1-7):C07D319/10;C07D307/00;C07D307/77;C07D309/00
主分类号
C07D307/08
代理机构
代理人
主权项
地址
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