A Cyclic Methyleneborane with Trapezoidal Geometry | Zendy

Höfner Andrea | Zendy; Ziegler Bernd | Zendy; Hunold Ralf | Zendy; Willershausen Peter | Zendy; Massa Werner | Zendy; Berndt Armin | Zendy

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A Cyclic Methyleneborane with Trapezoidal Geometry

Author(s) -

Höfner Andrea,

Ziegler Bernd,

Hunold Ralf,

Willershausen Peter,

Massa Werner,

Berndt Armin

Publication year - 1991

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.199105941

Subject(s) - ring (chemistry) , substituent , geometry , acceptor , boron , lewis acids and bases , transformation (genetics) , center (category theory) , molecular geometry , crystallography , pure mathematics , mathematics , chemistry , stereochemistry , physics , molecule , quantum mechanics , organic chemistry , catalysis , biochemistry , gene

The acceptor substituent on the dicoordinated boron of methyleneborane 1 increases the Lewis acidity of 1 . This explains the spontaneous transformation of 1 to the cyclic methyleneborane 2 . The unusual geometry of the five‐membered ring in 2 is due to strong σ–π interactions. The B‐B‐B three‐center two‐electron bond is the simplest of its kind. R = 2,3,5,6‐Me 4 C 6 H.

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