Synthesis and absolute stereochemistry assignment of enantiopure dihydrofuro- and dihydropyrano-quinoline alkaloids
作者:Derek R. Boyd、Narain D. Sharma、Stephen A. Barr、Jonathan G. Carroll、Donald Mackerracher、John F. Malone
DOI:10.1039/b005285j
日期:——
were used to assign absolute configurations to platydesmine 3, geibalansine 7, ribalinine 10, araliopsine 12 and edulinine 9. Possible errors which earlier led to the incorrect assignment of absolute configurations of the quinoline alkaloids platydesmine 3, platydesmine methosalt 4, edulinine 9, araliopsine 12 and other related chiral quinoline alkaloids are discussed.
手性喹啉生物碱platydesmine 3,platydesmine methosalt 4和edulinine 9,通过非手性生物碱腺嘌呤1的不对称二羟基化反应合成为对映体形式。MTPA非对映体的色谱分离20从atanine的外消旋溴醇衍生物形成1是geibalansine的合成中的关键步骤7,edulinine 9,ribalinine 10,Ψ-ribalinine 11和araliopsine 12作为单一对映体。(+)-铂亚胺甲磺酸盐4的绝对构型和( - ) - Ψ-ribalinine 11被明确地通过X射线晶体学测定而立体化学相关性和圆二色性光谱学方法被用于分配绝对构型来platydesmine 3,geibalansine 7,ribalinine 10,araliopsine 12和edulinine 9。讨论了可能导致先前错误地导致喹啉生物碱platydesmine 3,platydesmine