南洋理工大学罗德平(Teck-Peng Loh)、南京工业大学贾振华等报道三芳基碳正离子与芳基硼构建的离子对催化剂,实现了色胺(tryptamines)和芳基醛/环酮的Pictet-Spengler反应。
参考文献
Zhenguo Zhang, Xiaoxiao Liu, Liang Ji, Ting Zhang, Zhenhua Jia*, and Teck-Peng Loh*, Metal-Free Access to (Spirocyclic)Tetrahydro-β-carbolines in Water Using an Ion-Pair as a Superacidic Precatalyst, ACS Catal. 2022, 12, 2052–2057
DOI: 10.1021/acscatal.1c05546
https://pubs.acs.org/doi/10.1021/acscatal.1c05546