Enantiomerically pure 2,3-dihydro-1,2,4-oxadiazoles were synthesized by a cycloaddition reaction between chiral oxaziridines and nitriles. Assignment of absolute configurations was made by X-ray diffraction analysis, NOESY spectra, and theoretical calculations.
对映体纯的2,3-二氢-1,2,4-噁二唑通过手性氧杂
环丁烯与腈的环加成反应合成。绝对构型的确定通过X射线衍射分析、NOESY光谱和理论计算进行。