Anellation and Ring Transformations of Push-pull-functionalized Deoxypyranosiduloses
作者:Marcus Kordian、Holger Feist、Klaus Peseke
DOI:10.1515/znb-2009-0613
日期:2009.6.1
d-2-ulose 5 with substituted 5- aminopyrazoles afforded the pyrano-anellated pyrazolo[1,5-a]pyrimidines 8. The treatment of the corresponding (E)-2-aminomethylene-α-D-erythro-hexopyranosid-3-ulose 6 with 5-aminopyrazoles and (benzimidazol-2-yl)acetonitrile yielded in a ring transformation process the D-erythronoyl-pyrazolo[ 1,5-a]pyrimidine-3-carbonic acid derivatives 10 and D-erythronoyl-pyrido[1
(E)-3-氨基亚甲基-α-D-erythro-hexopyranosid-2-ulose 5 与取代的 5-aminopyrazoles 反应得到吡喃烷化的吡唑并 [1,5-a] 嘧啶 8. 相应的 (E) 的处理)-2-氨基亚甲基-α-D-erythro-hexopyranosid-3-ulose 6 与 5-aminopyrazoles 和 (benzimidazol-2-yl) 乙腈在环转化过程中产生 D-erythronoyl-pyrazolo[1,5-a] pyrimidine-3-carbonic acid 衍生物 10 和 D-erythronoyl-pyrido[1,2-a]benzimidazole-4-carbonitrile (12),分别是推拉功能化的脱氧吡喃糖苷糖的图形摘要编环和环转化