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 international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201701718

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

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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