α-fructofuranosides were stereospecifically synthesized from 2-O-Ac-1,3,4,6-O-tetra-benzoylfructose by employing TMSOTf as a catalyst. Meanwhile,one diastereoisomer derivative of sucrose and two of fructan oligomers ...α-fructofuranosides were stereospecifically synthesized from 2-O-Ac-1,3,4,6-O-tetra-benzoylfructose by employing TMSOTf as a catalyst. Meanwhile,one diastereoisomer derivative of sucrose and two of fructan oligomers were synthesized.The structure of all products were confirmed by ^(13)C-NMR and ~1H-NMR spectra.展开更多
文摘α-fructofuranosides were stereospecifically synthesized from 2-O-Ac-1,3,4,6-O-tetra-benzoylfructose by employing TMSOTf as a catalyst. Meanwhile,one diastereoisomer derivative of sucrose and two of fructan oligomers were synthesized.The structure of all products were confirmed by ^(13)C-NMR and ~1H-NMR spectra.