Insertion of Benzynes into the PN Bond of P-Alkenyl(alkynyl)-λ5-phosphazenes
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Benzynes, generated from 2-(trimethylsilyl)phenyl triflates, have been found to react with P-Alkenyl-λ5-phosphazenes via a formal π-insertion into the PN bond. A subsequent retro [2 + 2] cycloaddition/6π electrocyclization/protonation cascade explains the formation of the resulting 1,4-benzazaphosphorinium triflates. P-Alkynyl λ5-phosphazenes and phosphane sulfides undergo similar transformations.
创建时间：
2016-02-22
