Bis(pentafluorophenyl)borinic acid: a cyclic trimer in the solid state and a monomer, with hindered rotation around the B-OH bond, in solution

被引：38

作者：

Beringhelli, T

D'Alfonso, G

Donghi, D

Maggioni, D

Mercandelli, P

Sironi, A

机构：

[1] Dipartimento Chim Inorgan Metallorgan & Analit, I-20133 Milan, Italy

[2] Dipartimento Chim Strutturale & Stereochim Inorga, I-20133 Milan, Italy

[3] ISTM, CNR, I-20133 Milan, Italy

来源：

ORGANOMETALLICS | 2003年 / 22卷 / 08期

关键词：

D O I：

10.1021/om0300732

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The title molecule in the solid state exists as a cyclic trimer, with B-O(H)-B bridges and a cyclohexane-like structure (C-2 (twist-boat conformation); dissolution in toluene-d)(8) (affords the B(C)(F)())(OH monomer, in which the low-temperature 19F NMR data reveal restricted rotation of the OH substituent around the Ar)(B-OH bond (E)(6)(5)(2)(2)(a) = 39 kJ mol-1), as a result of the partial double-bond character of this interaction.

引用

页码：1588 / 1590

页数：3

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