反应详情

The compound was prepared from 5-(4-methoxy-benzyl)-2-(pyridin-2-yloxymethyl)-6,7-dihydro-5H-pyrazolo[1,5-a]pyrazin-4-one using the method described in the preceding example 58 (acetic acid 4-oxo-4,5,6,7-tetrahydro-pyrazolo[1,5-a]pyrazin-2-ylmethyl ester).