Synthesis of <i>N</i>-(Isoquinolin-1-yl)sulfonamides via Ag<sub>2</sub>O-Catalyzed Tandem Reaction of <i>ortho</i>-Alkynylbenzaldoximes with Benchtop Stabilized Ketenimines
this project, a moderately efficient approach to multisubstituted N-(isoquinolin-1-yl)sulfonamide derivatives was illustrated, utilizing ortho-alkynylbenzaldoximes and zwitterionic ketenimine salts in a tandem reaction catalyzed by silver oxide. The oxophilicity of Ag2O, along with its nature as Lewisacid, pave the way for a smooth [3 + 2] cycloaddition between isoquinoline N-oxides and ketenimine species
Palladium-catalyzed oxidative carbamoylation of isoquinoline N-oxides with formylamides by means of dual C–H oxidative coupling
作者:Bo Yao、Chen-Liang Deng、Yan Liu、Ri-Yuan Tang、Xing-Guo Zhang、Jin-Heng Li
DOI:10.1039/c4cc10140e
日期:——
A new palladium-catalyzed oxidative carbamoylation reaction of isoquinoline N-oxides with formylamides for the synthesis of isoquinoline-1-carboxamides is described.
Silver Triflate Catalyzed Reaction of 2-Alkynylbenzaldoxime with Phenol: A General and Facile Route to 1-Aroxyisoquinolines
作者:Zhiyong Wang、Jie Wu、Danqing Zheng
DOI:10.1055/s-0030-1260121
日期:2011.9
2-Alkynylbenzaldoxime reacts with phenol under the catalysis of silver triflate in the presence of bromo-tris-pyrrolidino-phosphonium hexafluorophosphate (PyBroP) under mild conditions, leading to the formation of 1-aroxyisoquinolines in good to excellent yields. cyclizations - isoquinoline - phosphorus ligands - phenol - silver triflate
Base-controlled [3+3] cycloaddition of isoquinoline N-oxides with azaoxyallyl cations
作者:Yuanyuan An、Hongguang Xia、Jie Wu
DOI:10.1039/c6cc03650c
日期:——
A base-controlled [3+3] cycloaddition reaction of isoquinolineN-oxides with azaoxyallyl cations is developed. 1,11b-Dihydro-[1,2,4]oxadiazino[3,2-a]isoquinolin-2(3H)-ones are obtained when isoquinolineN-oxides are treated with [small alpha]-halohydroxamates in the presence of sodium carbonate, while...