From 1H- and 13C-NMR. data, a crown conformation with trans amide bonds is deduced for 1,6-diaza-2,7-cyclodecadione (1) in solution. Compound 1 was obtained by reaction of 2-pyrrolidone with POCl3.
从1 H-和13 C-NMR。数据,推导了溶液中的1,6-二氮杂2,7-环癸二酮(1)具有反式酰胺键的冠构象。通过
2-吡咯烷酮与POCl 3的反应获得化合物1。