选择性远程DEPT的NMR法及其用于甙类化合物结构的研究

SELECTIVE LONG-RANGE DEPT NMR TECHNIQUE AND ITS APPLICATION TO STRUCTURAL STUDY OF GLYCOSIDE

摘要: 本文报告一种选择性远程DEPT的NMR新方法。实验结果表明,用该方法可以鉴别¹³C,¹⁵N和³¹P等NMR信号,连接被季碳和杂原子分割的自旋系统,而导出化合物的结构。本文着重讨论该方法在甙类化合物结构研究中的应用。

Abstract: This paper reports a new NMR technique: selective long-range DEPT.The result obtained showed that the technique can be used to assign NMR signal of ¹³C,¹⁵N and ³¹P nuclei, and connect the spin systems separated by quaternary carbon orheteroatom. This paper deals mainly with applying the technique for determining theglycosidation position in aglycone moiety and sequence of sugar moiety in anatural glycoside.