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Wyeth Holdings LLC
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American Cyanamid Co
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Application filed by American Cyanamid CofiledCriticalAmerican Cyanamid Co
Publication of ES179772A2publicationCriticalpatent/ES179772A2/es
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Un método de preparar pterinas queal menos en una forma tautómeraposeen la fórmula **(Ver fórmula)** donde R es OR'' o NR''R''''siendo R'' y R'''' hidrógenoradicales aromáticos o radicales alifáticoscaracterizado por mezclar: (i) 2:4:5-triamino-6-hidroxipirimidina o un tautómero de la misma; (ii) una 1:1:3-trihaloacetona; (iii) un ácido aminobenzoico o una saléster o amida del mismo.
ES0179772A1946-10-041947-09-16UN MÉTODO DE PREPARAR PTERIDINAS SUSTITUiDAS Y PRODUCTOS INTERMEDIOS DE LAS MISMAS
ExpiredES179772A2
(es)
Sätt för framställning av aminoföreningar, t.ex. aminoreten av sådana dialkylsubstituerade fenantrenderivat, vilkas alkylgrupper befinna sig i 1,7-ställning