作者:Alina Montero、Holger Feist、Manfred Michalik、Jose Quincoces、Klaus Peseke
DOI:10.1055/s-2002-23543
日期:——
The ring transformations of 2-formylglycals with 2-cyano-N-(4-methoxyphenyl)acetamide, 2-benzimidazolylacetonitrile, 2-nitromethylbenzimidazole yielded 5-(1,2,4-tri-O-benzyl-D-arabino/lyxo-1,2,3,4-tetrahydroxybutyl)-1,2-dihydro-1-(4-methoxyphenyl)-2-oxopyridine-3-carbonitriles (2), 2-(1,2,4-tri-O-benzyl-D-arabino/lyxo-1,2,3,4-tetrahydroxybutyl)benzo[4,5]imidazo[1,2-a]pyridine-4-carbonitriles (3) and
2-甲酰基糖与 2-氰基-N-(4-甲氧基苯基)乙酰胺、2-苯并咪唑基乙腈、2-硝基甲基苯并咪唑的环转化产生 5-(1,2,4-三-O-苄基-D-阿拉伯/lyxo- 1,2,3,4-四羟基丁基)-1,2-二氢-1-(4-甲氧基苯基)-2-氧代吡啶-3-腈(2), 2-(1,2,4-三-O-苄基) -D-阿拉伯/lyxo-1,2,3,4-四羟基丁基)苯并[4,5]咪唑并[1,2-a]吡啶-4-腈(3)和2-(1,2,4-三) -O-苄基-D-lyxo-1,2,3,4-四羟基丁基)-4-硝基苯并[4,5]咪唑并[1,2-a]吡啶(4)。