pyrimidine, pyrazolo [1,5‐a] pyrimidine, and pyrazolyl triazoles have been prepared via reaction of ethyl 5‐amino‐3‐phenylpyrazole‐4‐carboxylate with isothiocyanic esters, α,β‐unsaturated nitriles, and some active methylene reagents. J. Heterocyclic Chem., (2010).
通过5-
氨基-
3-苯基吡唑-4-
羧酸乙酯与异
硫氰酸酯α,的反应制备了一系列
吡唑并[3,4-d]
嘧啶,
吡唑并[1,5-a]
嘧啶和
吡唑基三唑。 β-不饱和腈和一些活性亚甲基试剂。J.杂环化学。(2010)。