15645-64-4Relevant academic research and scientific papers
Reactions of N-Allyl- and N-Propargyltriflimides with N,N′-Disubstituted Carbodiimides
Tolstikova,Danilevich, Yu. S.,Shainyan
, p. 1103 - 1105 (2018)
The alkylating activity of N-allyl- and N-propargyltriflimides toward N,N′-dicyclohexyl- and N,N′-diphenylcarbodiimides has been studied. Activation of the nitrogen atom by two electron-withdrawing trifluoromethanesulfonyl groups favors cleavage of the C–N bond in the absence of a catalyst with the formation of N-substituted unsaturated ureas.
Facile Electrochemical Intramolecular Amination of Urea-Tethered Terminal Alkenes for the Synthesis of Cyclic Ureas
Ahmed, Nisar,Khatoon, Saira
, p. 576 - 582 (2018/07/31)
Facile intramolecular amination of unactivated alkenes has been achieved by using electricity as a catalyst that helps to generate an intermediate and accelerates formation of cyclic ureas in high yields. Using this method, no metal catalysts were used. D
Combining gold(I)/gold(III) catalysis and C-H functionalization: A formal intramolecular [3+2] annulation towards tricyclic indolines and mechanistic studies
Zhang, Guozhu,Luo, Yingdong,Wang, Yanzhao,Zhang, Liming
supporting information; experimental part, p. 4450 - 4454 (2011/06/22)
Gold rush: A combination of oxidative gold(I)/gold(III) catalysis and C-H functionalization led to the first oxidative coupling between in situ generated alkyl gold reagents and C sp 2-H bonds, affording tricyclic indolines through a formal [3+2] annulation between a vinyl group and an aniline moiety [see scheme; Tf=trifluoromethanesulfonyl, Selectfluor=1-chloromethyl-4-fluoro-1,4- diazoniabicyclo[2.2.2]octane bis(tetrafluoroborate)]. Copyright
