CH3(CH2)nCH2 (n=2 to 6), C6H5CH2CH2, (CH3)2 C=CHCH2CH2) in the presence of 5 mol% [NiCl2(Ph2PCH2CH2CH2PPh2)] in refluxing THF for 8 h to afford 6-aryl or 6-alkylpurines in 62–74% yields. By applying this reaction to 6-(methylthio)purine nucleoside, 6-(4-methyl-3-pentenyl)-9-β-D-ribofuranosylpurine was synthesized.
6-(甲
硫基)
嘌呤与 RMgX (R=
C6H5,
CH3(
CH2)n (n=2 to 6), , ( )2 C=CH ) 在 5 mol% [NiCl2(Ph2PCH2 PPh2)] 存在下反应将 THF 回流 8 小时,以 62-74% 的产率得到 6-芳基或 6-烷基
嘌呤。通过将该反应应用于 6-(甲
硫基)
嘌呤核苷,合成了 6-(4-甲基-3-
戊烯基)-9-β-D-
呋喃核糖基
嘌呤。