公开(公告)号：WO2013110998A8

公开(公告)日：2014-06-12

申请号：PCT/IB2013000083

申请日：2013-01-25

Applicant: COUNCIL SCIENT IND RES ,  AHER RAVINDRA DATTATRAY ,  GADE MADHURI HANUMANT ,  REKULA REDDY SANTHOSH ,  KARABAL PRATIBHA UTTAM ,  SURYAVANSHI GURUNATH MALLAPPA ,  SUDALAI ARUMUGAM

Inventor： AHER RAVINDRA DATTATRAY ,  GADE MADHURI HANUMANT ,  REKULA REDDY SANTHOSH ,  KARABAL PRATIBHA UTTAM ,  SURYAVANSHI GURUNATH MALLAPPA ,  SUDALAI ARUMUGAM

IPC: C07C51/15 ,  C07C57/18 ,  C07C57/42 ,  C07C59/64

CPC classification number: C07C51/15 ,  C07C57/18 ,  C07C57/42 ,  C07C59/64

Abstract: The invention provides a simple, efficient, environmental friendly catalytic system for the direct carboxylation reaction using C02 under mild condition. A single step heterogeneous catalytic process for preparation of alkynyl carboxylic acids of formula I is disclosed.

Abstract translation: 本发明提供了在温和条件下使用CO 2的直接羧化反应的简单，有效的环境友好的催化体系。 公开了用于制备式I的炔基羧酸的单步非均相催化方法。

公开(公告)号：WO2005063679A1

公开(公告)日：2005-07-14

申请号：PCT/IN2003/000403

申请日：2003-12-29

Applicant: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH ,  MANER, Asif ,  BAVIKAR, Sudhir ,  SUDALAI, Arumugam ,  SIVARAM, Swaminathan

Inventor： MANER, Asif ,  BAVIKAR, Sudhir ,  SUDALAI, Arumugam ,  SIVARAM, Swaminathan

IPC: C07C209/10

CPC classification number: C07C209/36 ,  C07C211/55

Abstract: Present application relates to a process for the preparation of pure high quality 3,3¢, 4,4¢-tetraminobiphenyl (TAB) in high yields.More particularly, it relates to a process for preparation of 3,3¢, 4,4¢ tetraminobiphenyl (TAB) involving a three step process (1) oxidation of 3,3¢,-dichloro 4,4'-diaminobiphenyl (DCB) with 50% aq. H2O2, (2) ammonolysis of the resulting 3,3'-dinitro 4,4'-dinitrobiphenyl (DCDNB) and (3) the reduction of 3,3'-diamino-4,4'-dinitrobiphenyl (DADNB)with stannous chloride and concentrated hydrochloric acid.

Abstract translation: 本申请涉及以高产率制备纯高质量3,3¢，4,4¢四氨基联苯（TAB）的方法。更具体地说，涉及制备3,3¢，4,4 ¢四聚苯乙烯（TAB）涉及三步法（1）用50％水溶液氧化3,3¢，二氯4,4'-二氨基联苯（DCB） H 2 O 2，（2）得到的3,3'-二硝基4,4'-二硝基联苯（DCDNB）的氨解和（3）用氯化亚锡还原3,3'-二氨基-4,4'-二硝基二苯（DADNB） 和浓盐酸。

公开(公告)号：WO2013110998A4

公开(公告)日：2013-08-01

申请号：PCT/IB2013/000083

申请日：2013-01-25

Applicant: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH (AN INDIAN REGISTERED BODY INCORPORATED UNDER THE REGISTRATION OF SOCIETIES ACT (ACT XXI OF 1860) ,  AHER, Ravindra, Dattatray ,  GADE, Madhuri, Hanumant ,  REKULA, Reddy, Santhosh ,  KARABAL, Pratibha, Uttam ,  SURYAVANSHI, Gurunath, Mallappa ,  SUDALAI, Arumugam

Inventor： AHER, Ravindra, Dattatray ,  GADE, Madhuri, Hanumant ,  REKULA, Reddy, Santhosh ,  KARABAL, Pratibha, Uttam ,  SURYAVANSHI, Gurunath, Mallappa ,  SUDALAI, Arumugam

IPC: C07C51/15 ,  C07C57/18 ,  C07C57/42 ,  C07C59/64

Abstract: The invention provides a simple, efficient, environmental friendly catalytic system for the direct carboxylation reaction using C0 2 under mild condition. A single step heterogeneous catalytic process for preparation of alkynyl carboxylic acids of formula I is disclosed.

公开(公告)号：WO2013110998A1

公开(公告)日：2013-08-01

申请号：PCT/IB2013000083

申请日：2013-01-25

Applicant: COUNCIL OF SCIENT & IND RES AN INDIAN REGISTERED BODY INC UNDER THE REGISTRATION OF SOCIETIES ACT AC ,  AHER RAVINDRA DATTATRAY ,  GADE MADHURI HANUMANT ,  REKULA REDDY SANTHOSH ,  KARABAL PRATIBHA UTTAM ,  SURYAVANSHI GURUNATH MALLAPPA ,  SUDALAI ARUMUGAM

Inventor： AHER RAVINDRA DATTATRAY ,  GADE MADHURI HANUMANT ,  REKULA REDDY SANTHOSH ,  KARABAL PRATIBHA UTTAM ,  SURYAVANSHI GURUNATH MALLAPPA ,  SUDALAI ARUMUGAM

IPC: C07C51/15 ,  C07C57/18 ,  C07C57/42 ,  C07C59/64

CPC classification number: C07C51/15 ,  C07C57/18 ,  C07C57/42 ,  C07C59/64

Abstract: The invention provides a simple, efficient, environmental friendly catalytic system for the direct carboxylation reaction using C02 under mild condition. A single step heterogeneous catalytic process for preparation of alkynyl carboxylic acids of formula I is disclosed.

Abstract translation: 本发明提供了在温和条件下使用CO 2的直接羧化反应的简单，有效的环境友好的催化体系。 公开了用于制备式I的炔基羧酸的单步非均相催化方法。

公开(公告)号：US20050215823A1

公开(公告)日：2005-09-29

申请号：US10811157

申请日：2004-03-29

Applicant: Sudhir Bavikar ,  Asif Maner ,  Ramesh Chidambaram ,  Sudalai Arumugam ,  Sivaram Swaminathan

Inventor： Sudhir Bavikar ,  Asif Maner ,  Ramesh Chidambaram ,  Sudalai Arumugam ,  Sivaram Swaminathan

IPC: C07C209/36 ,  C07C209/50 ,  C07C211/50 ,  C07C211/52 ,  C07C231/12 ,  C07C233/43 ,  C07C237/32 ,  C07C29/36

CPC classification number: C07C211/50 ,  C07C209/36 ,  C07C209/50 ,  C07C231/12 ,  C07C211/52 ,  C07C233/43 ,  C07C237/32

Abstract: This invention relates to a process for the production of 3,3′,4,4′-tetraminobiphenyl (TAB) of formula (1) from non-carcinogenic raw materials, employing Suzuki type biaryl coupling as the key step. sMore particularly, it relates to a three steps process for the production of TAB comprising biaryl aryl coupling of 2-nitro-4-bromoacetanilide (NBA) of formula (2) catalyzed by sulfilimine based palladacycles as catalysts followed by the basic hydrolysis of acetyl group and the reduction of nitro groups with conventional reducing agents.

Abstract translation: 本发明涉及以非致癌原料生产式（1）的3,3'，4,4'-四磺酰联苯（TAB）的方法，采用铃木型联芳基偶联作为关键步骤。 更具体地说，本发明涉及一种制备TAB的三步法，其包括由以亚硫酰亚胺为基础的催化剂催化的式（2）的2-硝基-4-溴乙酰苯胺（NBA）的联芳基偶合，然后乙酰基的碱性水解 和用常规还原剂还原硝基。

公开(公告)号：US06979749B2

公开(公告)日：2005-12-27

申请号：US10811157

申请日：2004-03-29

Applicant: Sudhir Bavikar ,  Asif Maner ,  Ramesh Kumar Chidambaram ,  Sudalai Arumugam ,  Sivaram Swaminathan

Inventor： Sudhir Bavikar ,  Asif Maner ,  Ramesh Kumar Chidambaram ,  Sudalai Arumugam ,  Sivaram Swaminathan

IPC: C07C209/36 ,  C07C209/50 ,  C07C211/50 ,  C07C211/52 ,  C07C231/12 ,  C07C233/43 ,  C07C237/32 ,  C07C211/00

CPC classification number: C07C211/50 ,  C07C209/36 ,  C07C209/50 ,  C07C231/12 ,  C07C211/52 ,  C07C233/43 ,  C07C237/32

Abstract: This invention relates to a process for the production of 3,3′,4,4′-tetraminobiphenyl (TAB) of formula (1) from non-carcinogenic raw materials, employing Suzuki type biaryl coupling as the key step. More particularly, it relates to a three steps process for the production of TAB comprising biaryl aryl coupling of 2-nitro-4-bromoacetamide (NBA) of formula (2) catalyzed by sulfilimine based palladacycles as catalysts followed by the basic hydrolysis of acetyl group and the reduction of nitro groups with conventional reducing agents.

Abstract translation: 本发明涉及以非致癌原料生产式（1）的3,3'，4,4'-四磺酰联苯（TAB）的方法，采用铃木型联芳基偶联作为关键步骤。 更具体地说，本发明涉及一种制备TAB的三步法，其包括由以亚硫酰亚胺为基础的催化剂催化的式（2）的2-硝基-4-溴乙酰胺（NBA）的联芳基芳基偶联，然后乙酰基的碱性水解 和用常规还原剂还原硝基。