化学
钾
加合物
硼烷
卡宾
药物化学
立体化学
有机化学
催化作用
作者
Ping Cui,Hao Gao,Yu Wang,Chen‐Ho Tung,Lingbing Kong
标识
DOI:10.1002/ejic.202200400
摘要
Abstract The complexation of dibromo‐fluorenylborane (FluH‐BBr 2 ) with bulky bis(2,6‐diisopropylphenyl)imidazol‐2‐ylidene (IPr) afforded N‐heterocyclic carbene (NHC) borane adduct 1 , which could be subsequently dehydrobrominated by smaller 1,3‐diisopropyl‐4,5‐dimethylimidazol‐2‐ylidene (IPr 2 Me 2 ) to give the alkylideneborane‐NHC complex 2 . Species 2 readily binds with potassium ion to form a potassium alkylideneborane complex 3 through exclusive cation‐π interactions.
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