ES2054483T3 - Metodo mejorado para preparar un producto intermedio para la fabricacion de bambuterol. - Google Patents

Metodo mejorado para preparar un producto intermedio para la fabricacion de bambuterol.

Info

Publication number
ES2054483T3
ES2054483T3 ES91900394T ES91900394T ES2054483T3 ES 2054483 T3 ES2054483 T3 ES 2054483T3 ES 91900394 T ES91900394 T ES 91900394T ES 91900394 T ES91900394 T ES 91900394T ES 2054483 T3 ES2054483 T3 ES 2054483T3
Authority
ES
Spain
Prior art keywords
bambuterol
improved method
preparing
manufacture
intermediate product
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
ES91900394T
Other languages
English (en)
Inventor
Peter Jaksch
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.)
AstraZeneca AB
Original Assignee
Astra AB
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 Astra AB filed Critical Astra AB
Application granted granted Critical
Publication of ES2054483T3 publication Critical patent/ES2054483T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C269/00Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
    • C07C269/04Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups from amines with formation of carbamate groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Steroid Compounds (AREA)
  • Fats And Perfumes (AREA)

Abstract

LA PRESENTE INVENCION SE REFIERE A UN METODO MEJORADO PARA LA PREPARACION DE UN INTERMEDIARIO PARA BAMBUTEROL, I. E. PARA LA PREPARACION DE 2''-BROMO-3,5-DI[N, N-DIMETILCARBANILOXI]ACETOFENONA (1) , HACIENDO REACCIONAR 3,5-DIHIDROXIACETOFENONA CON N, N -DIMETILCARBANILALORURO EN ACETATO DE ETILO, ISOPROPILACETATO, BUTILACETATO , ETILMETILCETONA O ISOBUTILMETILCETONA COMO SOLVENTE CON UNA PEQUEÑA CANTIDAD DE PIRIDINA COMO CATALIZADOR Y UTILIZANDO CARBONATO DE POTASIO CRISTALIZADO COMO BASE, APAGANDOLO CON AGUA, ELIMINANDO EL SOLVENTE Y DISOLVIENDO LA 3,5-DI[N, N-DIMETILCARBAMILOXI] ACETOFENONA RESULTANTE EN ACETATO DE ETILO, AL QUE SE AÑADE BROMURO DE HIDROGENO DISUELTO Y LUEGO BROMO, DESPUES DE LO CUAL EL INTERMEDIARIO RESULTANTE (1) SE RECOGE EN FORMA DE CRISTALES.
ES91900394T 1989-12-01 1990-11-29 Metodo mejorado para preparar un producto intermedio para la fabricacion de bambuterol. Expired - Lifetime ES2054483T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8904064A SE8904064D0 (sv) 1989-12-01 1989-12-01 Improved method of preparing an intermediate for the manufacture of bambuterol

Publications (1)

Publication Number Publication Date
ES2054483T3 true ES2054483T3 (es) 1994-08-01

Family

ID=20377664

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91900394T Expired - Lifetime ES2054483T3 (es) 1989-12-01 1990-11-29 Metodo mejorado para preparar un producto intermedio para la fabricacion de bambuterol.

Country Status (14)

Country Link
US (1) US5200551A (es)
EP (1) EP0456799B1 (es)
JP (1) JPH04503218A (es)
AT (1) ATE106388T1 (es)
AU (1) AU630013B2 (es)
CA (1) CA2045554A1 (es)
DE (1) DE69009461T2 (es)
DK (1) DK0456799T3 (es)
ES (1) ES2054483T3 (es)
IE (1) IE65994B1 (es)
NO (1) NO174804B (es)
PT (1) PT96051B (es)
SE (1) SE8904064D0 (es)
WO (1) WO1991008197A1 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2301294A1 (es) * 2005-08-31 2008-06-16 Universidad De Malaga Uso de aminoacido tipo micosporina(m-gly) en productos para prevenciony tratamiento de eritema actinico fotocarcinogenesis y fotoenvejecimiento.

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101168211B1 (ko) * 2004-11-08 2012-07-25 엠큐어 파마슈티컬즈 리미티드 (s)-3-[(1-디메틸아미노)에틸]-페닐-n-에틸-n-메틸-카바메이트의 제조를 위한 효과적인 방법
KR100701743B1 (ko) 2005-10-05 2007-03-29 주식회사 라이트팜텍 밤부테롤의 신규한 제조 방법
CN102617404A (zh) * 2012-04-06 2012-08-01 张长利 盐酸班布特罗及其中间体的制备工艺
CN104262202B (zh) * 2014-09-12 2016-12-07 广东东阳光药业有限公司 班布特罗中间体的制备工艺
CN106187820B (zh) * 2016-07-02 2017-09-19 深圳市康立生生物科技有限公司 一种班布特罗杂质b的制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3404975A (en) * 1964-12-18 1968-10-08 Fmc Corp m-(carbamoyloxy)-carbanilates as herbicides
CY1273A (en) * 1980-07-09 1985-03-08 Draco Ab 1-(dihydroxyphenyl)-2-amino-ethanol derivatives;preparation,compositions and intermediates
DE3441108A1 (de) * 1984-11-10 1986-05-15 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von o-(1-methoxy-2-chlor)-ethoxyphenyl-n-methylcarbamat
US4925971A (en) * 1987-12-08 1990-05-15 Asahi Kasei Kogyo Kabushiki Kaisha Method for producing aliphatic o-arylurethanes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2301294A1 (es) * 2005-08-31 2008-06-16 Universidad De Malaga Uso de aminoacido tipo micosporina(m-gly) en productos para prevenciony tratamiento de eritema actinico fotocarcinogenesis y fotoenvejecimiento.
ES2301439A1 (es) * 2005-08-31 2008-06-16 Universidad De Malaga Uso de aminoacido tipo micosporina (m-gly) como antioxidante o aditivo en productos alimenticios.

Also Published As

Publication number Publication date
NO174804C (es) 1994-07-13
IE904247A1 (en) 1991-06-05
CA2045554A1 (en) 1991-06-02
AU6898191A (en) 1991-06-26
SE8904064D0 (sv) 1989-12-01
NO912853D0 (no) 1991-07-19
NO912853L (no) 1991-07-19
DE69009461D1 (de) 1994-07-07
JPH04503218A (ja) 1992-06-11
IE65994B1 (en) 1995-11-29
WO1991008197A1 (en) 1991-06-13
ATE106388T1 (de) 1994-06-15
NO174804B (no) 1994-04-05
EP0456799B1 (en) 1994-06-01
US5200551A (en) 1993-04-06
PT96051A (pt) 1991-09-13
PT96051B (pt) 1998-02-27
AU630013B2 (en) 1992-10-15
DK0456799T3 (da) 1994-10-03
DE69009461T2 (de) 1994-10-13
EP0456799A1 (en) 1991-11-21

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