作者:Yilun Wang、Yue Sun、Wei Bai、Yan Zhou、Xiao Bao、Yang Li
DOI:10.1039/d1dt04096k
日期:——
The first rhena-analogues of pyridinium (cyclopropametalla-2-isoquinolinium complexes) are obtained from o-ethynyl benzonitriles. Structural analysis and DFT calculations confirm their aromatic nature. Compared to rhenapyrylium, rhenapyridinium has a slightly stronger Hückel π-aromaticity, while a chlorine substituent on the rhenapyridinium ring decreases its aromaticity, which is revealed by NICS
吡啶鎓的第一个铼类似物(环丙金属-2-异喹啉鎓配合物)是从邻乙炔基苯甲腈中获得的。结构分析和 DFT 计算证实了它们的芳香性。NICS、EDDB、MCI和ΔBV(ELF π )分析表明,与铼鎓相比,铼吡啶鎓具有稍强的Hückel π-芳香性,而铼环上的氯取代基降低了其芳香性。