理學院: 化學研究所指導教授: 邱靜雯李婉華Lee, Wan-HuaWan-HuaLee2017-03-022018-07-102017-03-022018-07-102016http://ntur.lib.ntu.edu.tw//handle/246246/272127Boron mono- and di-cations featuring nucleophilic N-heterocyclic olefin (NHO) and pentamethylcyclopentadienyl (Cp*) substituent have been prepared and structurally characterized. Experimental and theoretical investigations show that [η5-Cp*B-NHO]2+ is considerably more Lewis acidic than [η5-Cp*B-IMes]2+ due to the steric congestion between NHO and Cp* leading much expose around the central boron atom. However, the weak interaction between NHO ligand and boron center result in the reaction product are generally unstable to isolate and characterize.7335665 bytesapplication/pdf論文公開時間: 2018/8/24論文使用權限: 同意有償授權(權利金給回饋學校)硼硼陽離子硼雙陽離子氮雜環烯烴路易士酸boroncationsboreniumboron cationsN-heterocyclic olefin.thesis10.6342/NTU201600893http://ntur.lib.ntu.edu.tw/bitstream/246246/272127/1/ntu-105-R03223142-1.pdf