Cyanoacetyl urea in heterocyclic synthesis part V: Facile synthesis of poly-functionalized pyrimdines via different behaviors of its free urea amino group
作者:Hoda Othman、Maher Al-Hashash、Galal Nawwar
DOI:10.21608/ejchem.2018.2297.1190
日期:2018.1.22
The poly-functional precursor, cyano-acetyl urea, could be utilized in the synthesis of various pyrimidens utilizing its benzothiazole derivative 1. The free amino group in 1 undergoes different chemical behavior according to the reaction conditions to afford pyrimidines 3,4,5,6,7a,b and 9a,b, respectively.
多官能团的前体氰基-乙酰基脲可用于利用其苯并噻唑衍生物1合成各种嘧啶类化合物。1中的游离氨基根据反应条件进行不同的化学行为,得到嘧啶3,4,5, 6,7a,b和9a,b。