An Efficient Synthesis of Some Novel 3-Cyano-4-imino-2-(methylthio)4<i>H</i>-pyrido[1,2-<i>a</i>]pyrimidine and Their Derivatives
作者:Sambhaji P. Vartale、Nilesh K. Halikar、Shivraj B. Sirsat、Yogesh D. Pawar
DOI:10.1002/jhet.1565
日期:2013.3
Pyrazolo pyrimido pyrimidine (4a–k) was prepared by the reaction of compound 3‐cyano‐4‐imino‐2‐(methylthio)4H‐pyrido[1,2‐a]pyrimidine (3) with hydrazine hydrate, phenyl hydrazine, 2‐hydrazino benzothiazole, and 6‐substituted hydrazine benzothiazole in N,N‐dimethylformamide and anhydrous potassium carbonate. These synthesized compounds were characterized by elemental analysis IR, 1H NMR, and mass spectral
吡唑并嘧啶并嘧啶(4A-K )是通过化合物的反应制备的3-氰基-4-亚氨基-2-(甲硫基)4 ħ -吡啶并[1,2-一个]嘧啶(3)与水合肼,苯肼,N,N-二甲基甲酰胺和无水碳酸钾中的2-肼基苯并噻唑和6-取代肼苯并噻唑 这些合成的化合物通过元素分析IR,1 H NMR和质谱数据进行表征。