Starting from juglone derivative 5, a series of frenolicin B analogs 15 (R1 = R2 = Me), 19a (R1 = H, R2 = Ph), and 19b (R1 = Ph, R2 = H) were obtained via the key β-hydroxy ester intermediate 10 in a twelve step synthesis.
从丁香酮衍
生物 5 开始,通过关键的δ-羟基酯中间体 10,以十二步合成法获得了一系列
枸橘苷 B 类似物 15(R1 = R2 = Me)、19a(R1 = H,R2 = Ph)和 19b(R1 = Ph,R2 = H)。