ES8401973A1 - Procedimiento de preparacion de 3,7-dihidro-1h-purinas-2,6-diona sustituidas. - Google Patents

Procedimiento de preparacion de 3,7-dihidro-1h-purinas-2,6-diona sustituidas.

Info

Publication number
ES8401973A1
ES8401973A1 ES518050A ES518050A ES8401973A1 ES 8401973 A1 ES8401973 A1 ES 8401973A1 ES 518050 A ES518050 A ES 518050A ES 518050 A ES518050 A ES 518050A ES 8401973 A1 ES8401973 A1 ES 8401973A1
Authority
ES
Spain
Prior art keywords
derivs
purine
hydro
alkyl
prepd
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
ES518050A
Other languages
English (en)
Other versions
ES518050A0 (es
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.)
Prodesfarma SA
Original Assignee
Prodes 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 Prodes SA filed Critical Prodes SA
Priority to ES518050A priority Critical patent/ES518050A0/es
Publication of ES8401973A1 publication Critical patent/ES8401973A1/es
Publication of ES518050A0 publication Critical patent/ES518050A0/es
Granted legal-status Critical Current

Links

Landscapes

  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

PROCEDIMIENTO PARA LA PREPARACION DE 3,7-DIHIDRO-1H-PURINAS-2,6-DIONA SUSTITUIDAS, DE FORMULA GENERAL (I), EN LA QUE R1 EQUIVALE A UN GRUPO METILO O ETILO; R2 ES UN RADICAL ALQUILICO LINEAL DE 1 A 5 ATOMOS DE CARBONO; Y R3 PUEDE SER H O UNA CADENA ALQUILICA LINEAL O RAMIFICADA DE 1 A 4 ATOMOS DE CARBONO.CONSISTE EN HACER REACCIONAR MEDIANTE CALENTAMIENTO UN 5,6-DIAMINOURACILO DE FORMULA GENERAL (II), CON LA SAL DE UNA AMIDINA DE FORMULA GENERAL (III), EN LAS QUE R1, R2 Y R3 TIENEN LOS SIGNIFICADOS YA MENCIONADOS; Y X REPRESENTA EL ANION DE UN ACIDO ORGANICOE INORGANICO, DE PREFERENCIA HALURO Y ACETATO.
ES518050A 1982-12-09 1982-12-09 Procedimiento de preparacion de 3,7-dihidro-1h-purinas-2,6-diona sustituidas. Granted ES518050A0 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES518050A ES518050A0 (es) 1982-12-09 1982-12-09 Procedimiento de preparacion de 3,7-dihidro-1h-purinas-2,6-diona sustituidas.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES518050A ES518050A0 (es) 1982-12-09 1982-12-09 Procedimiento de preparacion de 3,7-dihidro-1h-purinas-2,6-diona sustituidas.

Publications (2)

Publication Number Publication Date
ES8401973A1 true ES8401973A1 (es) 1984-01-16
ES518050A0 ES518050A0 (es) 1984-01-16

Family

ID=8485041

Family Applications (1)

Application Number Title Priority Date Filing Date
ES518050A Granted ES518050A0 (es) 1982-12-09 1982-12-09 Procedimiento de preparacion de 3,7-dihidro-1h-purinas-2,6-diona sustituidas.

Country Status (1)

Country Link
ES (1) ES518050A0 (es)

Also Published As

Publication number Publication date
ES518050A0 (es) 1984-01-16

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20001009