Heinz-Jürgen Schmidt

Electron density study on a saponin from the leaves of Panax notoginseng

Abstract The title saponin, notoginsenoside Fa, consists of a core unit of four annulated rings, a 30 atoms triterpene of steroid type and five sugar substituents, three and two at both core termini. The molecular structure thus exhibits components of different polarity, a non-po...