“Umpolung” at Boron by Reduction of [B(CN) 4 ] −  and Formation of the Dianion [B(CN) 3 ] 2− | Zendy

Bernhardt Eduard | Zendy; BernhardtPitchougina Vera | Zendy; Willner Helge | Zendy; Ignatiev Nikolai | Zendy

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“Umpolung” at Boron by Reduction of [B(CN) 4 ] − and Formation of the Dianion [B(CN) 3 ] 2−

Author(s) -

Bernhardt Eduard,

BernhardtPitchougina Vera,

Willner Helge,

Ignatiev Nikolai

Publication year - 2011

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.201105848

Subject(s) - boron , chemistry , crystallography , umpolung , homoleptic , nucleophile , oxidation state , nuclear magnetic resonance spectroscopy , single crystal , medicinal chemistry , stereochemistry , organic chemistry , catalysis , metal

A homoleptic cyanoborate with nucleophilic boron atom : An unprecedented dianion in the salts M 2 [B(CN) 3 ] (M=Li, Na, K) with nucleophilic boron in the formal oxidation state +1 was obtained by reductive BC bond cleavage in the [B(CN) 4 ] − anion and characterized by NMR ( 11 B, 13 C), vibrational spectroscopy and single crystal X‐ray diffraction.

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