发明授权
US06387033B1 Preparation of new layered double hydroxides exchanged with osmate for asymmetric dihydroxylation of olefins to vicinal diols
有权
制备与锇酸盐交换的新的层状双氢氧化物，用于将烯烃不对称二羟基化为邻位二醇
- 专利标题： Preparation of new layered double hydroxides exchanged with osmate for asymmetric dihydroxylation of olefins to vicinal diols
- 专利标题（中）： 制备与锇酸盐交换的新的层状双氢氧化物，用于将烯烃不对称二羟基化为邻位二醇
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申请号： US09721510申请日： 2000-11-22
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公开(公告)号： US06387033B1公开(公告)日： 2002-05-14
- 发明人: Boyapati Manoranjan Choudary , Naidu Sreenivasa Chowdari , Mannepalli Lakshmi Kantam , Kondapuram Vijaya Raghavan , Chinta Venkat Reddy Reddy
- 申请人： Boyapati Manoranjan Choudary , Naidu Sreenivasa Chowdari , Mannepalli Lakshmi Kantam , Kondapuram Vijaya Raghavan , Chinta Venkat Reddy Reddy
- 主分类号： C07C3118
- IPC分类号： C07C3118
摘要：
LDH-osmate of the formula [MII(1−x)MIIIx(OH)2][OsO42−]x/2.zH2O wherein MII is a divalent cation selected from the group consisting of Mg2+, Mn2+, Fe2+, Co2+, Ni2+, Cu2+, Zn2+ and Ca2+ and MIII is a trivalent ion selected from the group consisting of Al3+, Cr3+, Mn3+, Fe3+ and Co3+, and x is the mole fraction having integral value ranging from 0.2 to 0.33, and z is the number of water molecules and ranges from 1 to 4, useful as, a catalyst, and a process for the preparation thereof and use thereof to manufacture vicinal diols.
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