| 摘要 |
<p>The present invention relates to a method for the preparation of 1-[ 6-(morpholino-4-yl)-pyrimidino-4-yl]-4-(1H-1,2,3-triazolo-1-yl) -1H-pyrazolo-5-ol (I - enol form) or 2-[6-(morpholino-4-yl)-pyrimidino-4-yl]-4-(1H-1,2,3-triazolo-1- yl)-1,2-dihydro-3H-pyrazolo-3-one (I - keto form) and sodium-1-[6-(morpholino-4-yl)-pyrimidino-4-yl]-4-(1H-1,2,3-tria zolo-1-yl)-1H-pyrazolo-5-olate (II) starting from 1, 2,3-triazole (III), methylbromoacetate (IV-Me-Br) or ethylbromoacetate (IV-Et-Br), 4,6-dichloropyrimidine (VIII), morpholine (IX) and hydrazine (XII).</p> |
