The azidation of 2,2-bis(2-cyanoethyl)-20-hydroxydammar-24-en-3-one afforded new tetrazole derivatives of natural dipterocarpol, 2-(2-cyanoethyl)-2-[2-(1H-tetrazol-5-yl)ethyl]-20-hydroxydammar-24-en- 3-ones, 2,2-bis[2-(1H-tetrazol-5-yl)ethyl]-20-hydroxydammar-24-en-3-one, and 2,2-bis[2-(1H-tetrazol-5-yl)- ethyl]-3-oxo-25,26,27-trinordammaran-(20S),24-olide. The structure of the final and intermediate
的2,2-双(2-
氰基乙基)
叠氮化-20- hydroxydammar-24烯-3-酮天然dipterocarpol,得到新的
四唑衍
生物,2-(2-
氰基乙基)-2- [2-(1 ħ -
四唑-5-基)乙基] -20-羟基达马-24-en- 3-ones,2,2-双[2-(1 H-
四唑-5-基)乙基] -20-羟基达马-24-en- 3-一和2,2-双[2-(1 H-
四唑-5-基)-乙基] -3-氧代25,26,27-三正丁喃-(20 S),24-内酰胺。最终产物和中间产物的结构通过NMR光谱和X射线分析确定。