Pyrimidine Derivatives and Related Compounds: Synthesis of new 3-(2,3-Dimethyl-5-oxo-1-phenyl-pyrazolin-4-yl)-azopyrazolo[1,5-a]pyrimidines
作者:Aboul-fetouh E. Mourad、Kamal U. Sadek、Nadia Shehata、Mohamed H. Elnagdi
DOI:10.1002/ardp.19843170310
日期:——
Several 3‐(2,3‐dimethyl‐5‐oxo‐1‐phenyl‐3‐pyrazolin‐4‐yl)‐azopyrazolo[1,5‐a]pyrimidines were obtained by reacting the 5‐substituted 3‐amino‐4‐(2,3‐dimethyl‐5‐oxo‐1‐phenyl‐3‐pyrazolin‐4‐yl)hydrazonopyrazoles 1a, b with β‐bifunctional reagents and α,β‐unsaturated nitriles.
将5-取代的3-氨基-4-反应得到几种3-(2,3-二甲基-5-氧代-1-苯基-3-吡唑啉-4-基)-偶氮吡唑并[1,5-a]嘧啶(2,3-二甲基-5-氧代-1-苯基-3-吡唑啉-4-基) hydrazonopyrazoles 1a, b 与 β-双功能试剂和 α, β-不饱和腈。