公开(公告)号：US06812186B2

公开(公告)日：2004-11-02

申请号：US10106807

申请日：2002-03-27

申请人： Boyapati Manoranjan Choudary ,  Aduri Ravindra ,  Mannepalli Lakshmi Kantam ,  Chinta Reddy Venkat Reddy ,  Balagam Bharathi

发明人： Boyapati Manoranjan Choudary ,  Aduri Ravindra ,  Mannepalli Lakshmi Kantam ,  Chinta Reddy Venkat Reddy ,  Balagam Bharathi

IPC分类号： B01J3118

CPC分类号： B01J37/30 ,  B01J23/007

摘要： The present invention relates to design and preparation of LDH-diisopropylamide through simple exchange process for the first time and its use in catalytic amounts for preparing aldols/&agr;,&bgr;-unsaturated nitriles/&agr;,&bgr;-unsaturated esters/transesterified products/&bgr;-nitroalkanols/Michael adducts and epoxide, resulting in higher yields.

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：US06245950B1

公开(公告)日：2001-06-12

申请号：US09538640

申请日：2000-03-30

申请人： Mannepalli Lakshmi Kantam ,  Katuri Jeevaratnam ,  Boyapati Manoranjan Choudary ,  Chinta Reddy Venkat Reddy ,  Kondapuram Vijaya Raghavan ,  Lanka Venkata Sivaji ,  Thumma Someshwar

发明人： Mannepalli Lakshmi Kantam ,  Katuri Jeevaratnam ,  Boyapati Manoranjan Choudary ,  Chinta Reddy Venkat Reddy ,  Kondapuram Vijaya Raghavan ,  Lanka Venkata Sivaji ,  Thumma Someshwar

IPC分类号： C07C3916

CPC分类号： C07C37/62 ,  B01J23/007 ,  B01J23/30 ,  B01J27/236 ,  C07C39/367

摘要： The invention relates to a process for the preparation of high quality tetrabromobisphenol-A by reacting bisphenol-A with bromine and hydrogen peroxide as an oxidant in the presence of a heterogeneous catalyst in a biphase system consisting of water and water immiscible organic solvents.

摘要翻译： 本发明涉及通过双相-A与溴和过氧化氢作为氧化剂在多相催化剂存在下在由水和水不混溶的有机溶剂组成的双相体系中反应来制备高质量的四溴双酚A的方法。

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：US06815566B2

公开(公告)日：2004-11-09

申请号：US10460468

申请日：2003-06-13

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

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

IPC分类号： C07C3326

CPC分类号： B01J31/1658 ,  B01J21/08 ,  B01J23/466 ,  B01J31/08 ,  B01J31/1608 ,  B01J31/165 ,  B01J31/1805 ,  B01J2231/32 ,  B01J2531/825 ,  C07B2200/07 ,  C07C29/48 ,  C07C33/26 ,  C07C31/20 ,  C07C33/24

摘要： The present invention provides a supported osmate useful as a reusable catalyst in the preparation of vicinal diols. The present invention also relates to a process for the preparation of supported osmates of the formula (S—NR3)2OsO4.nH2O wherein S is a support, R is an alkyl group, n is the number of water molecules and use thereof in the preparation of vicinal diols by asymmetric dihydroxylation (AD) of olefins in presence of cinchona alkaloid compounds.

摘要翻译： 本发明提供了在邻位二醇的制备中可用作可重复使用的催化剂的负载型渗透剂。 本发明还涉及一种制备式（S-NR 3）2 O·4HH 2的负载型锇酸盐的方法，其中S是载体，R是烷基，n是水分子的数目及其在制备中的用途 的邻位二醇通过在金雀绿素生物碱化合物存在下的烯烃的不对称二羟基化（AD）。

公开(公告)号：US06787119B2

公开(公告)日：2004-09-07

申请号：US10098170

申请日：2002-03-13

申请人： Boyapati Manoranjan Choudary ,  Mannepalli Lakshmi Kantam ,  Katuri Jeeva Ratnam ,  Vijayakumar Karasala ,  Sridhar Chidara ,  Venkatachalam Subbiah ,  Santosh Gopalakrishnan ,  Ramaswamy Rajagopalan ,  Ninan Ninan Kovoor ,  Kuchibhatla Sitarama Sastri

发明人： Boyapati Manoranjan Choudary ,  Mannepalli Lakshmi Kantam ,  Katuri Jeeva Ratnam ,  Vijayakumar Karasala ,  Sridhar Chidara ,  Venkatachalam Subbiah ,  Santosh Gopalakrishnan ,  Ramaswamy Rajagopalan ,  Ninan Ninan Kovoor ,  Kuchibhatla Sitarama Sastri

IPC分类号： C01B2120

CPC分类号： C01B21/0923 ,  C01B21/082 ,  C01B21/087 ,  C01P2006/80 ,  C06B31/00 ,  Y10S149/122

摘要： The present invention provides an ecofriendly method for preparing dinitramidic acid and its salts by nitration of ammonium sulfamate with fuming nitric acid as a nitrating agent using solid acid catalysts selected from the group consisting of a montmorillonite clay catalyst and metal ion exchanged K10 montmorillonite clay catalysts and surface supported catalysts and preparation of ammonium dinitramide by neutralization of the dinitramidic acid with ammonia and separation of ammonium dinitramide.

摘要翻译： 本发明提供了一种通过使用选自蒙脱石粘土催化剂和金属离子交换的K10蒙脱土粘土催化剂的固体酸催化剂硝化作为硝化剂的氨基磺酸铵硝化铵二氨基甲酸及其盐的环保方法， 表面负载型催化剂和二硝基铵硝酸铵的制备，并用氨分解硝酸二铵。

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。

公开(公告)号：US07060859B2

公开(公告)日：2006-06-13

申请号：US11144594

申请日：2005-06-06

申请人： Francois Figueras ,  Boyapati Manoranjan Choudary ,  Mannepalli Lakshmi Kantam ,  Vattipally Neeraja ,  Kottapalli Koteswara Rao

发明人： Francois Figueras ,  Boyapati Manoranjan Choudary ,  Mannepalli Lakshmi Kantam ,  Vattipally Neeraja ,  Kottapalli Koteswara Rao

IPC分类号： C07C45/00 ,  C07C209/00 ,  C07C69/00 ,  C07C255/00

CPC分类号： C07C253/30 ,  B01J23/007 ,  C01F7/005 ,  C01P2002/22 ,  C07B37/00 ,  C07B37/02 ,  C07C67/347 ,  C07C201/12 ,  C07C2601/08 ,  C07C2601/10 ,  C07C2601/14 ,  C07C2601/16 ,  C07C69/738 ,  C07C69/716 ,  C07C205/45 ,  C07C205/51 ,  C07C255/41 ,  C07C255/34 ,  C07C255/37 ,  C07C255/36 ,  C07C255/35 ,  C07C255/31

摘要： The invention concerns the use of a solid basic catalyst comprising a hydrotalcite structure wherein part at least of the compensating anions are fluoride anions F− for producing Knoevenagel of Michael condensation reactions. The invention also concerns novel solid basic catalysts comprising a hydrotalcite structure characterized by a Mg/Al molar ratio ranging between 2.5 and 3.8 wherein at least part of the compensating anions are fluoride anions F−, and methods for preparing said novel catalysts.

摘要翻译： 本发明涉及使用包含水滑石结构的固体碱性催化剂，其中至少补偿阴离子的一部分是用于产生迈克尔缩合反应的Knoevenagel的氟化物阴离子F 0 - 。 本发明还涉及包含水滑石结构的新型固体碱性催化剂，其特征在于Mg / Al摩尔比范围在2.5和3.8之间，其中补偿阴离子的至少一部分是氟化物阴离子F 0 - 和 说新型催化剂。

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。

公开(公告)号：US06320082B1

公开(公告)日：2001-11-20

申请号：US09538639

申请日：2000-03-30

申请人： Mannepalli Lakshmi Kantam ,  Mutyala Sateesh ,  Boyapati Manoranjan Choudary ,  Kalluri Venkata Sri Ranganath ,  Kondapuram Vijaya Raghavan

发明人： Mannepalli Lakshmi Kantam ,  Mutyala Sateesh ,  Boyapati Manoranjan Choudary ,  Kalluri Venkata Sri Ranganath ,  Kondapuram Vijaya Raghavan

IPC分类号： C07C4500

CPC分类号： C07C45/46 ,  B01J29/7007 ,  C07C49/84

摘要： An improved process for the preparation of acyl naphthyl ethers useful as important intermediates for drugs, pharmaceuticals and polyesters by reacting a naphthyl ether with a C2-C5 acid anhydride as an acylating agent employing a zeolite beta catalyst is disclosed.

摘要翻译： 公开了一种改进的制备酰基萘基醚的方法，其用作药物，药物和聚酯的重要中间体，通过使萘基醚与C2-C5酸酐作为使用β沸石催化剂的酰化剂进行反应。