[reaction: see text] An efficient and straightforward method for the preparation of highly enantiomerically enriched C2-symmetrical vicinal diamines by the reductive homocoupling of aromatic N-tert-butanesulfinyl imines in the presence of SmI2 and HMPA was developed. It gives access to a variety of enantiopure C2-symmetrical 1,2-diamines in a very mild and practical way.
[反应:见正文]开发了一种通过在
SmI2和HMPA存在下通过芳族N-叔
丁烷亚磺
酰亚胺亚胺的还原均偶联来制备高度对映体富集的C2对称邻二胺的高效简单方法。它以非常温和且实用的方式提供了各种对映体纯的C2对称1,2-二胺的访问。