公开(公告)号：US06617454B1

公开(公告)日：2003-09-09

申请号：US10113208

申请日：2002-03-28

申请人： Boyapati Manoranjan Choudary ,  Chinta Reddy Venkat Reddy ,  Billakanti Veda Prakash ,  Balagam Bharathi ,  Mannepalli Lakshmi Kantam

发明人： Boyapati Manoranjan Choudary ,  Chinta Reddy Venkat Reddy ,  Billakanti Veda Prakash ,  Balagam Bharathi ,  Mannepalli Lakshmi Kantam

IPC分类号： C07D41300

CPC分类号： C07D295/24 ,  C07C291/04 ,  C07D207/46 ,  C07D211/94 ,  C07D217/02 ,  Y02P20/584

摘要： The present invention provides a process for the preparation of amine oxide by reacting a tertiary or a secondary amine with hydrogen peroxide as an oxidant in the presence of a recyclable heterogeneous catalyst comprising a layered double hydroxide exchanged with an anion in the presence of an additive selected from the group consisting of benzonitrile, propionitrile, isobutyronitrile, benzamide and isobutyraride.

摘要翻译： 本发明提供了一种通过使叔胺或仲胺与过氧化氢作为氧化剂在存在可再循环的非均相催化剂的条件下反应来制备氧化胺的方法，所述可再循环的非均相催化剂包括在选择的添加剂存在下与阴离子交换的层状双氢氧化物 由苯甲腈，丙腈，异丁腈，苯甲酰胺和异丁酰肼组成。

公开(公告)号：US06316674B1

公开(公告)日：2001-11-13

申请号：US09538641

申请日：2000-03-30

申请人： Mannepalli Lakshmi Kantam ,  Mutyala Sateesh ,  Boyapati Manoranjan Choudary ,  Billakanti Veda Prakash ,  Kondapuram Vijaya Raghavan

发明人： Mannepalli Lakshmi Kantam ,  Mutyala Sateesh ,  Boyapati Manoranjan Choudary ,  Billakanti Veda Prakash ,  Kondapuram Vijaya Raghavan

IPC分类号： C07C4500

CPC分类号： C07C45/46 ,  B01J29/7007 ,  Y10S977/775 ,  Y10S977/835 ,  Y10S977/896 ,  Y10S977/915 ,  C07C49/84

摘要： An improved process for the preparation of acyl aromatic ethers useful as important intermediates for drugs and pharmaceuticals by reacting an aromatic ether with an acylating agent selected from a C2-C8 acid anhydrides, employing nano- and microcrystalline zeolite beta as catalyst is disclosed.

摘要翻译： 公开了一种用于制备酰基芳族醚的改进方法，其用作药物和药物的重要中间体，其通过使用纳米和微晶β沸石作为催化剂使芳族醚与选自C 2 -C 8酸酐的酰化剂反应。