Reactions of B 2 ( o ‐tolyl) 4  with Boranes: Assembly of the Pentaborane(9), HB[B( o ‐tolyl)(μ‐H)] 4 | Zendy

Bamford Karlee L. | Zendy; Qu ZhengWang | Zendy; Stephan Douglas W. | Zendy

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Reactions of B 2 ( o ‐tolyl) 4 with Boranes: Assembly of the Pentaborane(9), HB[B( o ‐tolyl)(μ‐H)] 4

Author(s) -

Bamford Karlee L.,

Qu ZhengWang,

Stephan Douglas W.

Publication year - 2021

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.202101054

Subject(s) - diborane , boranes , borane , chemistry , hydride , medicinal chemistry , arsine , tetra , stereochemistry , boron , organic chemistry , hydrogen , phosphine , catalysis

Reactions of the diborane(4) B 2 ( o ‐tolyl) 4 and monohydridoboranes are shown to give B( o ‐tolyl) 3 and (o‐tolyl)BR 2 (R 2 =(C 8 H 14 ) 3 , cat 4 , pin 5 , (C 6 F 5 ) 2 6 ) as the major products. The corresponding reaction with BH 3 ‐sources gives complex mixtures, resulting from hydride/aryl exchange, dimerization and borane elimination. This led to the isolation of the first tetra‐substituted pentaborane(9) HB[B( o ‐tolyl)(μ‐H)] 4 8 . The reaction pathways are probed experimentally and by computations.

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