以（R）-叔丁基亚磺酰胺为手性助剂,与1,3-苯二甲醛经缩合反应制得关键中间体——（Rs,Rs）-双叔丁基亚磺酰亚胺（7）;锂化的羧酸酯与7经不对称......

A Wi-Fi fingerprinting localization approach has attracted increasing attention in recent years due to the ubiquity of A......