appropriate 3-aminopyrazoles with the appropriate sodium (3-oxocycloalkylidene)methenolate, β-diketone, β-keto esters or 1,2-disubstituted acrylonitrile. Elemental analyses, spectral data, alternative synthesis route and X-ray elucidated structures of the newly synthesized compounds.
由适当的
3-氨基吡唑与适当的(3-氧代环亚烷基)
甲磺酸钠,
β-二酮,β-
酮酸酯或1,2-二取代的
丙烯腈合成
吡唑并[1,5- a ]
嘧啶。新合成化合物的元素分析,光谱数据,替代合成路线和X射线阐明的结构。