Tetraphenylphosphonium Tetrafluoroborate/1,1,1,3,3,3-Hexafluoroisopropanol (Ph4PBF4/HFIP) Effecting Epoxide-Initiated Cation–Olefin Polycyclizations
作者： Yan Tian , Xin Xu , Lin Zhang , Jin Qu
DOI: 10.1021/ACS.ORGLETT.5B03438
关键词:
摘要: … We propose that in HFIP, the epoxide substrate in a more organized chair–chair–chair conformation was activated by traces of HF generated by BF 4 solvolysis in HFIP, initiating …
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