Trihydroborates and Dihydroboranes Bearing a Pentacoordinated Phosphorus Atom: Double Ring Expansion To Balance the Coordination States | Zendy

Kano Naokazu | Zendy; O'Brien Nathan J. | Zendy; Uematsu Ryohei | Zendy; Ramozzi Romain | Zendy; Morokuma Keiji | Zendy

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Trihydroborates and Dihydroboranes Bearing a Pentacoordinated Phosphorus Atom: Double Ring Expansion To Balance the Coordination States

Author(s) -

Kano Naokazu,

O'Brien Nathan J.,

Uematsu Ryohei,

Ramozzi Romain,

Morokuma Keiji

Publication year - 2017

Publication title -

angewandte chemie

Language(s) - English

Resource type - Journals

eISSN - 1521-3757

pISSN - 0044-8249

DOI - 10.1002/ange.201701718

Subject(s) - chemistry , hydroboration , phosphine , ring (chemistry) , reactivity (psychology) , phosphorus , double bond , boron , bicyclic molecule , hydride , pyridine , atom (system on chip) , stereochemistry , medicinal chemistry , organic chemistry , catalysis , medicine , computer science , embedded system , hydrogen , alternative medicine , pathology

The first trihydroborate bearing a pentacoordinated phosphorus atom was synthesized as a new P−B bonded compound. Hydride abstraction of the trihydroborate gave an intermediary dihydroborane, which showed hydroboration reactivity and was trapped with pyridine whilst maintaining the P−B bond. The dihydroborane underwent a rearrangement, which involved a double ring expansion to compensate for the unbalanced coordination states of the phosphorus and boron atoms, to give a new fused bicyclic phosphine‐boronate.

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