Noncryogenic Synthesis of Functionalized 2-Methoxypyridines by Halogen-Magnesium Exchange Using Lithium Dibutyl(isopropyl)magnesate(1-) and Lithium Chloride
作者:Jacek Sośnicki、Łukasz Struk
DOI:10.1055/s-0031-1289687
日期:2012.3
corresponding bromo or iodo analogues by using lithium dibutyl(isopropyl)magnesate(1-) and lithium chloride under noncryogenic conditions. The procedure was optimized in terms of the choice between two magnesates and the presence or absence of lithium chloride in the reaction medium. pyridines - magnesium - lithium - organometallicreagents
Deprotonative Metalation of Aromatic Compounds by Using an Amino-Based Lithium Cuprate
作者:Tan Tai Nguyen、Nada Marquise、Floris Chevallier、Florence Mongin
DOI:10.1002/chem.201100990
日期:2011.9.5
employed to attempt the interception of the generated aryl cuprates, aroyl chlorides, iodomethane, and diphenyl disulfide efficiently reacted. In addition, different oxidative agents were identified to afford symmetrical biaryls. Finally, palladium‐catalyzed coupling with arylhalides was optimized and allowed the synthesis of different arylderivatives in medium to good yields.