Synthesis of Some<i>N</i>-Galactosides of 3-Aryl-5-benzyl (or Substituted Benzyl)-1,2,4-triazin-6(1<i>H</i>)-/ones or Thiones of Expected Biological Activity
作者:Abdel Kader Mansour、Mohga M. Eid、Nasser S. A. M. Khalil
DOI:10.1081/ncn-120023275
日期:2003.10
The 1-(2,3,4,6-tetra-O-acetyl-beta-D-galactopyranosyl)-3-aryl-5-benzyl (or substituted benzyl)-1,2,4-triazin-6(1H)-/ones or thiones were prepared via galactosidation of 3-aryl-5-benzyl (or substituted benzyl)-1,2,4-triazin-6(1H)-/ones or thiones with 2,3,4,6-tetra-O-acetyl-alpha-D-galactopyranosyl bromide. The structure of the new galactosyl derivatives was based on both spectroscopic and chemical
1-(2,3,4,6-四-O-乙酰基-β-D-吡喃半乳糖基)-3-芳基-5-苄基(或取代的苄基)-1,2,4-三嗪-6(1H)通过对3-芳基-5-苄基(或取代的苄基)-1,2,4-三嗪-6(1H)进行半乳糖苷化反应,制得一酮或硫酮。一酮或硫酮与2,3,4,6-四酮-O-乙酰基-α-D-吡喃半乳糖基溴化物。新的半乳糖基衍生物的结构基于光谱和化学证据。