作者:Albert Langendoen、Gerrit-Jan Koomen、Upendra K. Pandit
DOI:10.1016/s0040-4020(01)85992-5
日期:——
C(11)-hydroxyethyl derivative (3d), which has been coupled with ribose-, glucose- and galactose derivatives to give, after deprotection, novel ellipticine glycosides 3e-g. The sequence of reactions constitute a new strategy for the synthesis of a wide range of ellipticine derivatives with improved solubility characteristics.
为了制备各种官能化衍生物,已经研究了6-甲基玫瑰树碱(3a)的反应。碱-(LDA)介导的3a与甲醛的反应生成C(11)-羟乙基衍生物(3d),该衍生物已与核糖,葡萄糖和半乳糖衍生物偶联,脱保护后得到新型玫瑰树碱糖苷3e- G。反应顺序构成了一种新的合成策略,用于合成具有改善的溶解度特性的玫瑰树碱衍生物。