A novel reduction system is reported here in which the compounds with terminal C-C triple bond and disubstituted C-C triple bond react with NaBH4/Pd(PPh3)(4) in a base condition and only terminal C-C triple bond is re...A novel reduction system is reported here in which the compounds with terminal C-C triple bond and disubstituted C-C triple bond react with NaBH4/Pd(PPh3)(4) in a base condition and only terminal C-C triple bond is reduced.展开更多
Our present study unveils a new and efficient N-heterocyclic carbene(NHC)-boryl radical-catalyzed cycloisomerization of N-(2-ethynylaryl)arylamides.This catalytic process is triggered by the addition of an NHC-boryl r...Our present study unveils a new and efficient N-heterocyclic carbene(NHC)-boryl radical-catalyzed cycloisomerization of N-(2-ethynylaryl)arylamides.This catalytic process is triggered by the addition of an NHC-boryl radical to the alkynyl moiety,followed by a radical cascade comprising of an intramolecular cyclization,successive 1,5-and 1,2-aryl migrations,and the reorganization of a C–C triple bond.展开更多
基金the National Natural Science Foundation of China (No. 29772012)
文摘A novel reduction system is reported here in which the compounds with terminal C-C triple bond and disubstituted C-C triple bond react with NaBH4/Pd(PPh3)(4) in a base condition and only terminal C-C triple bond is reduced.
基金This work was supported by the National Natural Science Foundation of China(21672195 and 21702201)the Fundamental Research Funds for the Central Univer-sitiesthe University of Science and Technology of China.
文摘Our present study unveils a new and efficient N-heterocyclic carbene(NHC)-boryl radical-catalyzed cycloisomerization of N-(2-ethynylaryl)arylamides.This catalytic process is triggered by the addition of an NHC-boryl radical to the alkynyl moiety,followed by a radical cascade comprising of an intramolecular cyclization,successive 1,5-and 1,2-aryl migrations,and the reorganization of a C–C triple bond.
