EaStCHEM, School of Chemistry, University of Edinburgh, Edinburgh, EH9 3FJ, UK.
Angew Chem Int Ed Engl. 2017 Aug 7;56(33):9953-9957. doi: 10.1002/anie.201705050. Epub 2017 Jul 19.
Formal exchange of C=C units with isoelectronic B=N or B=P units can provide access to molecules with unique electronic or chemical properties. Herein, we report the simple solution-phase generation of highly reactive phosphaborenes, RP=BR, and demonstrate their use for the introduction of P=B units into organic systems. Ring opening of a P-B-containing cyclobutene isostere provided access to unique 1,4-boraphosphabutadiene systems with conjugated main-group multiple bonds.
C=C 单元与等电子 B=N 或 B=P 单元的正式交换可以提供具有独特电子或化学性质的分子。在此，我们报告了高反应性磷硼烷，RP=BR 的简单溶液相生成，并证明了它们在将 P=B 单元引入有机体系中的用途。含 P-B 的环丁烯等排物的开环提供了独特的 1,4-硼磷杂丁二烯体系，其中包含共轭主族多重键。
