公开(公告)号：US06323367B1

公开(公告)日：2001-11-27

申请号：US09721585

申请日：2000-11-22

申请人： Boyapati Manoranjan Choudary ,  Balagam Bharathi ,  Mannepalli Lakshmi Kantam ,  Chinta Venkat Reddy Reddy ,  Kondapuram Vijaya Raghavan

发明人： Boyapati Manoranjan Choudary ,  Balagam Bharathi ,  Mannepalli Lakshmi Kantam ,  Chinta Venkat Reddy Reddy ,  Kondapuram Vijaya Raghavan

IPC分类号： C07C29104

CPC分类号： C07D265/30 ,  C07C291/04 ,  C07D211/94 ,  C07D217/08 ,  C07D295/24

摘要： A process for the preparation of high quality amine oxides by reacting a tertiary or secondary amine with hydrogen peroxide as an oxidant in the presence of a recyclable heterogeneous layered double hydroxide exchanged with one of the anions of transition metal oxides as a catalyst in an organic solvent at a temperature ranging between 10-25° C. for a period of 1-6 hours under continuous stirring and separating the product by simple filtration and subsequently evaporation of solvents by known methods.

摘要翻译： 在有机溶剂中作为催化剂与过渡金属氧化物阴离子之一交换的可回收的异质层状双氢氧化物存在下，使叔胺或仲胺与过氧化氢作为氧化剂反应来制备高质量的氧化胺的方法 在10-25℃的温度下连续搅拌1-6小时，通过简单的过滤分离产物，随后通过已知方法蒸发溶剂。

公开(公告)号：US06387033B1

公开(公告)日：2002-05-14

申请号：US09721510

申请日：2000-11-22

申请人： Boyapati Manoranjan Choudary ,  Naidu Sreenivasa Chowdari ,  Mannepalli Lakshmi Kantam ,  Kondapuram Vijaya Raghavan ,  Chinta Venkat Reddy Reddy

发明人： Boyapati Manoranjan Choudary ,  Naidu Sreenivasa Chowdari ,  Mannepalli Lakshmi Kantam ,  Kondapuram Vijaya Raghavan ,  Chinta Venkat Reddy Reddy

IPC分类号： C07C3118

CPC分类号： C01G55/002 ,  B01J23/466 ,  C01F7/005 ,  C01P2002/22 ,  C01P2006/80 ,  C07B2200/07 ,  C07B2200/09 ,  C07C29/03 ,  Y02P20/584 ,  C07C33/26

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.

摘要翻译： 式[MII（1-x）MIIIx（OH）2] [OsO42-] x / 2.zH2O的LDH-锇酸盐其中MII是选自Mg2 ​​+，Mn2 +，Fe2 +，Co2 +，Ni2 +， Cu2 +，Zn2 +和Ca2 +，MIII是选自Al3 +，Cr3 +，Mn3 +，Fe3 +和Co3 +的三价离子，x是积分值为0.2〜0.33的摩尔分数，z为水分子数 范围为1〜4，可用作催化剂，其制备方法及其制备邻二醇的用途。