Ketoketenegem-Dithiols in the Synthesis of Pyrimidine and Pyrazole Derivatives Pyrimidin- und Pyrazol-Derivate aus geminalen Dithiolen eines Ketoketens
作者:Salem E. Zayed、M. A. Hassan、Fatma M. Manhi、Ibrahim A. Hussin
DOI:10.1002/ardp.19893221116
日期:——
dimercaptal 1 prepared from 4‐acetylbiphenyl and CS21) is a subject of current interest. The reaction of α‐ketoketene‐S,S‐acetals and α‐cyanoketene‐S,S‐acetals with guanidine and thiourea to give pyrimidine derivatives was reported2,3).
由 4-乙酰联苯和 CS21) 制备的酮烯酮二巯基 1 是当前感兴趣的主题。据报道,α-酮烯酮-S、S-缩醛和α-氰基酮烯-S、S-缩醛与胍和硫脲反应生成嘧啶衍生物2,3)。