The 1,3-dipolar cycloaddition of linear azido alkynes derived from protected β-amino esters proceeds via diastereomeric differentiation to provide trans-disubstituted triazolodiazepines in good yields.
衍生自受保护的β-
氨基酯的线性
叠氮基
炔烃的1,3-偶极环加成反应通过非对映异构分化进行,以高收率提供反式-双取代的三唑并二氮杂pine。