A simple and efficient protocol for the electrophilic thiocyanation of indoles and aromatic amines with thiourea/NCS/NH4SCN system has been developed. The major features of the present procedure are the mild condition...A simple and efficient protocol for the electrophilic thiocyanation of indoles and aromatic amines with thiourea/NCS/NH4SCN system has been developed. The major features of the present procedure are the mild conditions, good yields, short reaction times, and the use of inexpensive and readily available organocatalyst. Moreover, N-chlorosueeinimide (NCS) was found to be indispensable, and thiourea could greatly promote the reaction.展开更多
A novel copper-catalyzed direct C–N formation reaction of simple arenes with cheap and pharmacological saccharin derivatives under relatively mild conditions was developed with arenes as limiting reagents.This work p...A novel copper-catalyzed direct C–N formation reaction of simple arenes with cheap and pharmacological saccharin derivatives under relatively mild conditions was developed with arenes as limiting reagents.This work provided a new method for oxidative coupling of aromatic C(sp2)–H bonds and N–H bonds.展开更多
基金This project was financially supported by the National Natural Science Foundation of China (No. 21302014).
文摘A simple and efficient protocol for the electrophilic thiocyanation of indoles and aromatic amines with thiourea/NCS/NH4SCN system has been developed. The major features of the present procedure are the mild conditions, good yields, short reaction times, and the use of inexpensive and readily available organocatalyst. Moreover, N-chlorosueeinimide (NCS) was found to be indispensable, and thiourea could greatly promote the reaction.
基金financially supported by the National Natural Science Foundation of China(21172033,21372041,21302017)
文摘A novel copper-catalyzed direct C–N formation reaction of simple arenes with cheap and pharmacological saccharin derivatives under relatively mild conditions was developed with arenes as limiting reagents.This work provided a new method for oxidative coupling of aromatic C(sp2)–H bonds and N–H bonds.