Synthesis of Functionalized Pyrazolo[1,5-a]pyridines: [3+2] Cycloaddition of N-Aminopyridines and α,β-Unsaturated Carbonyl Compounds/Alkenes at Room Temperature
作者:Chitrakar Ravi、Supravat Samanta、Darapaneni Mohan、N. Reddy、Subbarayappa Adimurthy
DOI:10.1055/s-0036-1588753
日期:2017.6
through oxidative [3+2] cycloaddition of N-aminopyridines with α,β-unsaturated carbonyl compounds or electron-withdrawing olefins is described. The reactions proceed in N-methylpyrrolidone as the solvent under metal-free conditions at room temperature. The synthesis of functionalized pyrazolo[1,5-a]pyridines through oxidative [3+2] cycloaddition of N-aminopyridines with α,β-unsaturated carbonyl compounds
摘要 描述了通过N-氨基吡啶与α,β-不饱和羰基化合物或吸电子烯烃的氧化[3 + 2]环加成反应,合成官能化的吡唑并[1,5- a ]吡啶。反应在室温下在无金属条件下在N-甲基吡咯烷酮作为溶剂中进行。 描述了通过N-氨基吡啶与α,β-不饱和羰基化合物或吸电子烯烃的氧化[3 + 2]环加成反应,合成官能化的吡唑并[1,5- a ]吡啶。反应在室温下在无金属条件下在N-甲基吡咯烷酮作为溶剂中进行。