ATE425949T1 - Verfahren zur herstellung von diphensaure - Google Patents

Verfahren zur herstellung von diphensaure

Info

Publication number
ATE425949T1
ATE425949T1 AT02781714T AT02781714T ATE425949T1 AT E425949 T1 ATE425949 T1 AT E425949T1 AT 02781714 T AT02781714 T AT 02781714T AT 02781714 T AT02781714 T AT 02781714T AT E425949 T1 ATE425949 T1 AT E425949T1
Authority
AT
Austria
Prior art keywords
diphenic acid
till
mixture
residue
filtering
Prior art date
Application number
AT02781714T
Other languages
English (en)
Inventor
Kaushal K Tiwari
Kumares Bit
Sanjay Thakur
Kamlesh K Mishra
Sukuru Rao
Original Assignee
Council Scient Ind Res
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Council Scient Ind Res filed Critical Council Scient Ind Res
Application granted granted Critical
Publication of ATE425949T1 publication Critical patent/ATE425949T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/31—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT02781714T 2002-12-23 2002-12-23 Verfahren zur herstellung von diphensaure ATE425949T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2002/005612 WO2004056739A1 (en) 2002-12-23 2002-12-23 Process for the preparation of diphenic acid

Publications (1)

Publication Number Publication Date
ATE425949T1 true ATE425949T1 (de) 2009-04-15

Family

ID=32676703

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02781714T ATE425949T1 (de) 2002-12-23 2002-12-23 Verfahren zur herstellung von diphensaure

Country Status (8)

Country Link
EP (1) EP1575894B1 (de)
JP (1) JP4448035B2 (de)
CN (1) CN100336793C (de)
AT (1) ATE425949T1 (de)
AU (1) AU2002348768B2 (de)
CA (1) CA2511727C (de)
DE (1) DE60231663D1 (de)
WO (1) WO2004056739A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5052348B2 (ja) * 2004-10-25 2012-10-17 ザ ルブリゾル コーポレイション 重合体およびその組成物を調製する方法
CN101565368B (zh) * 2009-06-08 2012-07-25 渤海大学 一种制备2,2'-联苯二甲酸的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE580972A (de) * 1958-07-29
JPS6256451A (ja) * 1985-09-05 1987-03-12 Kawasaki Steel Corp ジフエン酸の製造方法
CN1023117C (zh) * 1989-04-12 1993-12-15 大连理工大学 菲用相转移催化氧化法制联苯二甲酸

Also Published As

Publication number Publication date
JP2006511574A (ja) 2006-04-06
DE60231663D1 (de) 2009-04-30
CN1735580A (zh) 2006-02-15
EP1575894A1 (de) 2005-09-21
AU2002348768B2 (en) 2009-04-23
CA2511727A1 (en) 2004-07-08
CN100336793C (zh) 2007-09-12
CA2511727C (en) 2011-09-06
JP4448035B2 (ja) 2010-04-07
WO2004056739A1 (en) 2004-07-08
AU2002348768A1 (en) 2004-07-14
EP1575894B1 (de) 2009-03-18

Similar Documents

Publication Publication Date Title
RU2009128C1 (ru) Гидрохлориды производных 1-бензил-4[(1-инданон)]-метилпиперидина
JP6216073B2 (ja) １ｈ−［１，２，３］トリアゾール及びその中間体１−ベンジル−１ｈ−［１，２，３］トリアゾールの大規模な製造方法
ATE455087T1 (de) Verfahren zur herstellung von 2,5- dimethylphenylessigsäure
DE69518901D1 (de) Verfahren zur Herstellung von Xylitol
DE60134472D1 (de) Oxidationsverfahren zur herstellung des zwischenproduktes 6.alpha.,9.alpha.-difluoro-11.beta.,17.alpone 17.beta.-karbonsäure
DE50308134D1 (de) Kontinuierliches verfahren zur herstellung von pseudojononen und jononen
ATE425949T1 (de) Verfahren zur herstellung von diphensaure
RU2256660C2 (ru) Способ получения (r)-5-(2-бензолсульфонилэтил)-3-n-метилпирролидин-2-илметил)-1н- индола
CN107879979B (zh) 一种右美托咪定的制备方法
DE69516529T2 (de) Verfahren zur herstellung von natrium-1-thyroxin durch oxidative kupplung von diiodo-l-thyrosine, katalysiert durch ein mangan-salz und in gegenwart eines amines
DE60000069T2 (de) Verfahren zur Herstellung von Dialkyl- und Trialkyl-substituierten Benzaldehyden
ATE309214T1 (de) Verfahren zur herstellung von 1,3,5- triaminobenzol und dessen hydrolyse zu hochreinem phloroglucinol
CN103086956A (zh) 一种丁酸氯维地平中间体的纯化方法
KR102193321B1 (ko) 베타-트리플루오로메틸 케톤 유도체의 제조방법
JP3545658B2 (ja) 硝酸イリジウム溶液の製造方法
EP2282990A1 (de) Neues verfahren zur herstellung von 3-(2,2,2-trimethylhydrazinium) propionat-dihydrat
CN1882598B (zh) 次膦酸衍生物
JP3001097B1 (ja) ソルビン酸の製造法
JP2006225272A (ja) （ｒ）−ｎ−（３，４−ジメトキシベンジル）−１−フェニルエチルアミンｌ−酒石酸塩およびそれを用いる（ｒ）−ｎ−（３，４−ジメトキシベンジル）−１−フェニルエチルアミンの精製方法
JP2008201736A (ja) ２ｅ，６ｅ−体が富化されたファルネサールの製造法
US6624316B2 (en) Method for obtaining 2-bromo-5-(2-bromo-2-nitrovinyl)-furan
JP3992787B2 (ja) ５−メチルクロマン−６−カルボン酸の精製法
ATE518838T1 (de) Verfahren zur herstellung von vorläufern für l-2- ä18füfluor-phenylalanin und 6-ä18füfluor- l-meta- tyrosin und deren alpha-methylierten derivaten, sowie die vorläufer
CN110550669A (zh) 一种自来水处理剂及制作方法
JPS63165348A (ja) 光学活性１−（２，５−ジメトキシフエニル）−２−アミノ−１−プロパノ−ルの製造方法

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties