A room-temperature protocol to access isoquinolines through Ag(i) catalysed annulation of o-(1-alkynyl)arylaldehydes and ketones with NH4OAc: elaboration to berberine and palmatine
Facile Synthesis of 3-Substituted Isoquinolines Derivatives via Microwave-assisted Tandem Three-component Coupling Cyclization
作者:Long Lin、Qiongyou Wu、Shaowei Huang、Guangfu Yang
DOI:10.1002/cjoc.201100560
日期:2012.5
A novel three‐component reaction of o‐bromobenzaldehyde, terminal alkynes and tert‐butyl amine has been established, which proceeded smoothly to give 3‐substituted isoquinolines in good yields in the presence of palladium/copper catalysts under microwave irradiation.
Efficient synthesis of isoquinolines and pyridines via copper(i)-catalyzed multi-component reaction
作者:Kommuri Shekarrao、Partha Pratim Kaishap、Sanjib Gogoi、Romesh C. Boruah
DOI:10.1039/c3ra46722h
日期:——
A wide range of 3-substitutedisoquinolines, steroidal pyridines, 5,6-dihydrobenzo[f]isoquinolines and 1,6-naphthyridine were synthesized in good yield via a ligand-free copper-catalyzed three-component reaction of β-halovinyl/aryl aldehyde, aromatic/aliphatic terminal alkyne and tert-butylamine/benzamidine in DMF under microwave irradiation. A catalyst-free reaction of ortho-alkynyl aryl/vinyl aldehydes
通过无配体铜催化的β-卤代戊基/芳基三组分反应,高收率合成了多种3-取代的异喹啉,甾族吡啶,5,6-二氢苯并[ f ]异喹啉和1,6-萘吡啶微波辐射下,DMF中的乙醛,芳族/脂肪族末端炔烃和叔丁胺/苯甲m 微波辐射下邻炔基芳基/乙烯基醛与苯甲idine的无催化剂反应也以优异的产率提供了3-取代的异喹啉和取代的吡啶衍生物。