ES8802143A1 - Procedimiento para la obtencion de 4-hidroxi-2-metil-2h-1,2-benzotiazin-3-carboxamidas-1,1-dioxido - Google Patents

Procedimiento para la obtencion de 4-hidroxi-2-metil-2h-1,2-benzotiazin-3-carboxamidas-1,1-dioxido

Info

Publication number
ES8802143A1
ES8802143A1 ES549904A ES549904A ES8802143A1 ES 8802143 A1 ES8802143 A1 ES 8802143A1 ES 549904 A ES549904 A ES 549904A ES 549904 A ES549904 A ES 549904A ES 8802143 A1 ES8802143 A1 ES 8802143A1
Authority
ES
Spain
Prior art keywords
benzothiazine
methyl
substd
hydroxy methyl
carboxamide
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
Application number
ES549904A
Other languages
English (en)
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.)
Laboratorios Roger SA
Original Assignee
Laboratorios Roger SA
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 Laboratorios Roger SA filed Critical Laboratorios Roger SA
Priority to ES549904A priority Critical patent/ES8802143A1/es
Publication of ES8802143A1 publication Critical patent/ES8802143A1/es
Expired legal-status Critical Current

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  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE 4-HIDROXI-2-METIL-2H-1,2-BENZOTIAZIN-3-CARBOXAMIDAS-1-DIOXIDO, DE FORMULA (I), EN DONDE R ES RADICAL 2-PIRIDILO, 2-TIENILO O 5-METIL-3-ISOXAZOLILO. SE PARTE DE LA AMINA H2N-R, QUE SE HACE REACCIONAR CON TRIMETILALUMINIO EN SOLUCION DE CLORURO DE METILENO, EN ATMOSFERA INERTE Y A TEMPERATURA AMBIENTE, SE OBTIENE AMIDURO DE DIMETILALUMINIO. ESTE SE HACE REACCIONAR, EN PROPORCION MOLAR 2:1 Y A TEMPERATURA ENTRE LA DE AMBIENTE Y LA DE EBULLICION DE CLORURO DE METILENO, CON EL 3-METOXICARBONIL-4-HIDROXI-2-METIL-2H-1,2-BENZOTIAZINA-1,1-DIOXIDO DE FORMULA (II), OBTENIENDOSE EL COMPUESTO DE FORMULA (I). POR SU ACTIVIDAD ANTIINFLAMATORIA TIENE APLICACION COMO MEDICAMENTO. *FORMULA*
ES549904A 1985-12-13 1985-12-13 Procedimiento para la obtencion de 4-hidroxi-2-metil-2h-1,2-benzotiazin-3-carboxamidas-1,1-dioxido Expired ES8802143A1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES549904A ES8802143A1 (es) 1985-12-13 1985-12-13 Procedimiento para la obtencion de 4-hidroxi-2-metil-2h-1,2-benzotiazin-3-carboxamidas-1,1-dioxido

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES549904A ES8802143A1 (es) 1985-12-13 1985-12-13 Procedimiento para la obtencion de 4-hidroxi-2-metil-2h-1,2-benzotiazin-3-carboxamidas-1,1-dioxido

Publications (1)

Publication Number Publication Date
ES8802143A1 true ES8802143A1 (es) 1988-04-01

Family

ID=8490435

Family Applications (1)

Application Number Title Priority Date Filing Date
ES549904A Expired ES8802143A1 (es) 1985-12-13 1985-12-13 Procedimiento para la obtencion de 4-hidroxi-2-metil-2h-1,2-benzotiazin-3-carboxamidas-1,1-dioxido

Country Status (1)

Country Link
ES (1) ES8802143A1 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994014817A1 (en) * 1992-12-21 1994-07-07 E.I. Du Pont De Nemours And Company Herbicidal imidazolones and a process for their manufacture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994014817A1 (en) * 1992-12-21 1994-07-07 E.I. Du Pont De Nemours And Company Herbicidal imidazolones and a process for their manufacture

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