中文摘要：

Pyridine-N-oxide 在温和条件下面与各种各样的芳基 thiols 为 N-tosylaziridines 的戒指洞反应用作有效催化剂。这转变是高度有效的，它产生相应氨基的硫化物在对优秀收益好。

英文摘要：

Pyridine-N-oxide serves as an efficient catalyst for the ring-opening reactions of N-tosylaziridines with various aryl thiols under mild conditions. This transformation is highly effective, which gives rise to the corresponding β-amino sulfides in good to excellent yields.