ES2112545T3 - Proceso para la preparacion de 2-hidroxiarilaldehidos. - Google Patents

Proceso para la preparacion de 2-hidroxiarilaldehidos.

Info

Publication number
ES2112545T3
ES2112545T3 ES94917099T ES94917099T ES2112545T3 ES 2112545 T3 ES2112545 T3 ES 2112545T3 ES 94917099 T ES94917099 T ES 94917099T ES 94917099 T ES94917099 T ES 94917099T ES 2112545 T3 ES2112545 T3 ES 2112545T3
Authority
ES
Spain
Prior art keywords
pct
date jan
preparation
formaldehyde
sec
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES94917099T
Other languages
English (en)
Inventor
Daniel Levin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Syngenta Ltd
Original Assignee
Zeneca Ltd
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 Zeneca Ltd filed Critical Zeneca Ltd
Application granted granted Critical
Publication of ES2112545T3 publication Critical patent/ES2112545T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

UN METODO PARA LA PREPARACION DE UN 2-HIDROXIARILALDEHIDOS QUE CONSISTE EN REACCIONAR UN BIS-HIDROCARBILIXIDO DE MAGNESIO, DERIVADO AL MENOS EN PARTE DE UN COMPUESTO HIDROXIAROMATICO QUE TIENE AL MENOS UNA POSICION LIBRE ORTO RESPECTO DEL GRUPO HIDROXILO, CON FORMALDEHIDO BAJO CONDICIONES SUSTANCIALMENTE ANHIDROSAS A UNA PRESION DE 50 A 700 MM DE HG ABSOLUTO.
ES94917099T 1993-07-08 1994-06-06 Proceso para la preparacion de 2-hidroxiarilaldehidos. Expired - Lifetime ES2112545T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939314159A GB9314159D0 (en) 1993-07-08 1993-07-08 Chemical process

Publications (1)

Publication Number Publication Date
ES2112545T3 true ES2112545T3 (es) 1998-04-01

Family

ID=10738501

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94917099T Expired - Lifetime ES2112545T3 (es) 1993-07-08 1994-06-06 Proceso para la preparacion de 2-hidroxiarilaldehidos.

Country Status (10)

Country Link
US (1) US5763675A (es)
EP (1) EP0707561B1 (es)
JP (1) JP3562586B2 (es)
AT (1) ATE163287T1 (es)
AU (1) AU6853294A (es)
DE (1) DE69408578T2 (es)
ES (1) ES2112545T3 (es)
GB (2) GB9314159D0 (es)
IN (1) IN187514B (es)
WO (1) WO1995001951A1 (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5762683A (en) * 1994-12-09 1998-06-09 Asarco Incorporated Ferric fluoborate/organic extractant hydrometallurgical process for recovering metals
US5856583A (en) 1997-05-21 1999-01-05 Allco Chemical Corp. Synthesis of 2-hydroxyarylaldehydes
WO2000040534A1 (en) * 1998-12-30 2000-07-13 Cognis Deutschland Gmbh Salicylaldoximes and method of preparation
AP2376A (en) * 2005-09-21 2012-03-07 Star Orechem Internat Pvt Ltd A novel process for the manufacture of 5-nonyl salicylaldoxime.
US8455640B2 (en) 2006-05-03 2013-06-04 Msn Laboratories Limited Process for statins and its pharmaceutically acceptable salts thereof
US8404841B2 (en) * 2006-10-09 2013-03-26 Msn Laboratories Limited Process for the preparation of statins and their pharmaceutically acceptable salts thereof
US8487105B2 (en) 2009-01-19 2013-07-16 Msn Laboratories Limited Process for preparing pitavastatin, intermediates and pharmaceuctically acceptable salts thereof
WO2011086584A2 (en) 2010-01-18 2011-07-21 Msn Laboratories Limited Improved process for the preparation of amide intermediates and their use thereof
US20120022102A1 (en) 2010-01-20 2012-01-26 Cadila Healthcare Limited Method for preparation of pitavastatin and its pharmaceutical acceptable salts thereof
WO2012025939A1 (en) 2010-08-25 2012-03-01 Cadila Healthcare Limited Pitavastatin calcium and process for its preparation
JP5817614B2 (ja) * 2012-03-26 2015-11-18 日本ゼオン株式会社 ２，５−ジヒドロキシベンズアルデヒド化合物の製造方法
EP3121161B1 (en) * 2015-07-23 2018-03-07 S.P.C.M. Sa A method for the preparation of alkylsalicylaldehyde and alkylsalicylaldoxime, and use thereof
CN106966921A (zh) * 2017-03-29 2017-07-21 江西理工大学 一种特辛基水杨醛肟及其合成方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9217008D0 (en) * 1991-08-23 1992-09-23 Ici Plc Chemical process
GB9217723D0 (en) * 1992-08-20 1992-09-30 Ici Plc Chemical process

Also Published As

Publication number Publication date
GB9411090D0 (en) 1994-07-27
AU6853294A (en) 1995-02-06
EP0707561B1 (en) 1998-02-18
JPH08512307A (ja) 1996-12-24
ATE163287T1 (de) 1998-03-15
US5763675A (en) 1998-06-09
EP0707561A1 (en) 1996-04-24
IN187514B (es) 2002-05-11
GB9314159D0 (en) 1993-08-18
DE69408578D1 (de) 1998-03-26
JP3562586B2 (ja) 2004-09-08
WO1995001951A1 (en) 1995-01-19
DE69408578T2 (de) 1998-09-17

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