A selective route to aryl-triphosphiranes and their titanocene-induced fragmentation.
作者： André Schumann , Fabian Reiß , Haijun Jiao , Jabor Rabeah , Jan-Erik Siewert
DOI: 10.1039/C9SC02322D
关键词: Homoleptic 、 Aryl 、 Reaction conditions 、 Diphosphene 、 Combinatorial chemistry 、 Reaction mechanism 、 Fragmentation (mass spectrometry) 、 Reactive intermediate 、 Synthon 、 Chemistry
摘要: Triphosphiranes are three-membered phosphorus cycles and their fundamental reactivity has been studied in recent decades. We recently developed a high-yielding, selective synthesis for various aryl-substituted triphosphiranes. Variation of the reaction conditions combination with theoretical studies helped to rationalize formation these homoleptic ring systems highly reactive intermediates could be isolated. In addition we showed that titanocene synthon [Cp2Ti(btmsa)] facilitates conversion triphosphiranes into diphosphene complexes. This unexpected mode was further theoretically experimental evidence is presented proposed mechanism.
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