Problem: The present invention solves the problem of providing an alternative metal-free method for intermolecular amination of C-H bonds applicable to a broad range of substrates, wherein the substrate is essentially in stoichiometric amounts with respect to the amination reagent.
Solution: The present invention relates to a photochemical method for the intermolecular coupling of an amination agent with a compound comprising a fragment of formula -Ca-H, said method converting the fragment of formula - Ca-H in a fragment of formula -Ca-NSO2R1, and comprising the step of contacting under light irradiation and in an aprotic solvent an amination agent with a compound comprising a fragment of formula -Ca-H in the presence of a compound of formula (I)
Arl(O2CR3)2 (I)
and a catalytically effective amount of iodine wherein the amination agent is selected from the compounds of formula R1SO2NHR2 and the compounds of formula R1SO2N=IR2'.
问题:本发明要解决的问题是提供一种适用于多种底物的 C-H 键分子间胺化的无
金属替代方法,其中底物与胺化试剂的量基本上成比例。
解决方案本发明涉及一种将胺化剂与包含式-Ca-H片段的化合物进行分子间偶联的光
化学方法,所述方法将式-Ca-H片段转化为式-Ca-NSO2R1片段,并包括以下步骤:在光照射下,在无相溶剂中,在式(I)化合物存在的情况下,将胺化剂与包含式-Ca-H片段的化合物接触。
Arl(O2CR3)2 (I)
和催化有效量的
碘,其中胺化剂选自式 R1SO2NHR2 化合物和式 R1SO2N=IR2' 化合物。