📜Hosenkoside K置于sodium Dihydrogenphosphate体系中,用 乙醇 用作溶剂,化学反应 48.0H,以10 Mg的收率获得prasapogenin Iv
参考文献:Hosenkosides F,G,H,I,J,And K,Novel Baccharane Glycosides From The Seeds Of Impatiens Balsamina.
标题:Hosenkosides F,G,H,I,J,And K,Novel Baccharane Glycosides From The Seeds Of Impatiens Balsamina.
摘要:From The Seeds Of Impatiens Balsamina We Have Isolated Six Novel Baccharane Glycosides,Hosenkosides F-K. The Structures Of All Isolates Were Determined By The Use Of Two Dimensional (2D) NMR Techniques (1H-1H Correlation Spectroscopy (Cosy),Heteronuclear Multiple Quantum Coherence (Hmqc),Heteronuclear Multiple-Bond Correlation (Hmbc),Rotating Frame Overhauser Enhancement Spectroscopy (Roesy),Total Correlation Spectroscopy (Tocsy)) And Chemical Derivatization. Hosenkosides F,H And I Are Hosenkol B 3-O-Sambubiosido-26-O-Glucoside,3-O-Sambubioside And 3,26-O-Diglucoside,Respectively. Hosenkoside G Is Hosenkol C 3-O-Sambubiosido-28-O-Glucoside. Hosenkosides J And K Are Hosenkol A 3-O-Sophoroside And 3-O-Sophorosido-26-O-Glucosyl-28-O-Glucoside,Respectively.
Doi:10.1248/cpb.42.1422