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Dibenzothiophenesulfilimines: A Convenient Approach to Intermolecular Rhodium-Catalysed C-H Amidation.
Chemistry - A European Journal ( IF 4.3 ) Pub Date : 2020-05-19 , DOI: 10.1002/chem.202002371
Patrick W Antoni 1 , Alexandra V Mackenroth 1 , Florian F Mulks 1 , Matthias Rudolph 1 , Günter Helmchen 1 , A Stephen K Hashmi 1, 2
Affiliation  

A sulfilimine‐based Group 9 transition‐metal‐catalysed C−H amidation procedure is reported. Dibenzothiophene‐based sulfilimines were shown to constitute a class of novel amidation reagents which enable the transfer of a wide range of N‐sulfonyl and N‐acyl moieties. It was demonstrated that sulfilimines, which are easily accessible from cheap reagents, are safe‐to‐handle and represent broadly applicable amidation reagents. The dibenzothiophene can be recycled after use. The C−H amidation was shown to proceed with high selectivity and gave the mono‐amidated products, mostly in good to excellent yields.

中文翻译:

Dibenzothiophenesulfilimines:一种方便的方法,在分子间铑催化的CH酰胺化反应中。

据报道,基于亚硫胺的第9族过渡金属催化的CH 3酰胺化过程。研究表明,基于二苯并噻吩的硫亚胺可构成一类新型的酰胺化试剂,可转移各种N-磺酰基和N-酰基部分。事实证明,可以从便宜的试剂中容易获得的亚硫胺类,操作安全,代表着广泛适用的酰胺化试剂。使用后可以将二苯并噻吩回收。CH-H酰胺化反应具有很高的选择性,可以得到单酰胺化的产物,大部分收率良好。
更新日期:2020-07-02
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