反应详情

Using the method described for the preparation of 6,7,8,9-Tetrahydro-5H-1,4,10a-triaza-cyclohepta[f]inden-10-ol, the reaction of 4-oxo-tetrahydro-furan-3-carboxylic acid methyl ester and 2H-pyrazol-3-ylamine in acetic acid provided the desired 5H,7H-6-Oxa-1,4,8a-triaza-s-indacen-8-ol.