23982-84-5Relevant academic research and scientific papers
An intramolecular C(sp3)-H imination using PhI-m CPBA
Bose, Anima,Maiti, Saikat,Sau, Sudip,Mal, Prasenjit
, p. 2066 - 2069 (2019/02/19)
Herein, a highly exothermic primary amine-polyvalent iodine reaction has been used successfully for selective functionalization of acidic C(sp3)-H groups for a dehydrogenative C-H imination reaction by 4H elimination. Overall, C(sp3)-H imination at 1,5 distances was readily done via organocatalysis using PhI (10 mol%)-mCPBA under ambient conditions.
Copper-mediated synthesis of substituted 2-aryl-N-benzylbenzimidazoles and 2-arylbenzoxazoles via C-H functionalization/C-N/C-O bond formation
Guru, Murali Mohan,Ali, Md Ashif,Punniyamurthy, Tharmalingam
experimental part, p. 5295 - 5308 (2011/08/05)
An efficient method for the transformation of N-benzyl bisarylhydrazones and bisaryloxime ethers to functionalized 2-aryl-N-benzylbenzimidazoles and 2-arylbenzoxazoles is described. The protocol involves a copper(II)-mediated cascade C-H functionalization/C-N/C-O bond formation under neutral conditions. Substrates having either electron-donating or -withdrawing substituents undergo the cyclization to afford the target heterocycles at moderate temperature.
