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| Yb(NTf) was thought to be the best catalyst in the system of catalysts as La(NTf) 、Sm(NTf) and Yb(NTf) . Nevertheless, the tedious workup to recover the catalyst after reactions make it economically unusable and retrain it for laboratory use only. |
中文意思：
研究发现,在同类催化剂La(NTf) 、Sm(NTf) 和Yb(NTf) 中,Yb(NTf) 的催化活性最好,并且催化性能稳定,但反应后为了回收催化剂需要烦琐的后处理过程。 |
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