isolation, structural elucidation, directed preparation and some derivatives of three previously unknown heterocycles is reported. Arising from a guanidine based thymine synthesis, these novel compounds exhibit substituted and fused pyrimidine structures repectively.
报道了三个以前未知的杂环的分离,结构阐明,定向制备和一些衍
生物。由于基于
胍的胸腺
嘧啶的合成,这些新颖的化合物分别显示出取代的和稠合的
嘧啶结构。