Reactivity of a Tetra( o ‐tolyl)diborane(4) Dianion as a Diarylboryl Anion Equivalent | Zendy

Akiyama Seiji | Zendy; Yamada Kaito | Zendy; Yamashita Makoto | Zendy

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Reactivity of a Tetra( o ‐tolyl)diborane(4) Dianion as a Diarylboryl Anion Equivalent

Author(s) -

Akiyama Seiji,

Yamada Kaito,

Yamashita Makoto

Publication year - 2019

Publication title -

angewandte chemie

Language(s) - English

Resource type - Journals

eISSN - 1521-3757

pISSN - 0044-8249

DOI - 10.1002/ange.201907400

Subject(s) - diborane , chemistry , tetra , lithium (medication) , ion , dissociation (chemistry) , salt (chemistry) , bond dissociation energy , medicinal chemistry , reactivity (psychology) , ionic bonding , homo/lumo , inorganic chemistry , boron , molecule , organic chemistry , medicine , alternative medicine , pathology , endocrinology

Lithium and magnesium salts of tetra( o ‐tolyl)diborane(4) dianion, having B=B double bond character, were synthesized. It was clarified that the lithium salt of the dianion has a high‐lying HOMO and a narrow HOMO–LUMO gap, which were perturbed by dissociation of Li + cation, as judged by UV/Vis spectroscopy and DFT calculations. The lithium salt of the dianion reacted as two equivalents of a diarylboryl anion with CH 2 Cl 2 or S 8 to give boryl‐substituted products.

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