[EN] FLUORANTHENE DERIVATIVE, LIGHT-EMITTING ELEMENT, AND PHOTOELECTRIC CONVERSION ELEMENT [FR] DÉRIVÉ DE FLUORANTHÈNE, ÉLÉMENT ÉLECTROLUMINESCENT ET ÉLÉMENT DE CONVERSION PHOTOÉLECTRIQUE [ZH] 荧蒽衍生物、发光元件以及光电转换元件
Metal-free Synthesis of 2,4,6-Trisubstituted Pyrimidines using α,β.- Unsaturated Ketones and Benzamidine via Tandem Annulation-Oxidation Pathway
Transition-metal-free selective pyrimidines and pyridines formation from aromatic ketones, aldehydes and ammonium salts
作者:Jinjin Chen、Huanxin Meng、Feng Zhang、Fuhong Xiao、Guo-Jun Deng
DOI:10.1039/c9gc02077b
日期:——
An efficient synthesis of pyrimidines and pyridines has been developed from readily available aromaticketones, aldehydes and ammonium salts under transition-metal-free conditions. In this strategy, ammonium salts were used as nitrogen sources and only water was generated as a nontoxic byproduct. A catalytic amount of NaIO4 played an important role in the selectivity control, whereas substituted pyridines