Hydrodeboration of potassium polyfluoroaryl(fluoro)borates with alcohols

被引：8
作者：
Adonin, Nicolay Yu. [1 ,2 ]
Shabalin, Anton Yu. [1 ]
Bardin, Vadim V. [2 ,3 ]
机构：
[1] SB RAS, GK Boreskov Inst Catalysis, Novosibirsk 630090, Russia
[2] Novosibirsk State Univ, Novosibirsk 630090, Russia
[3] SB RAS, NN Vorozhtsov Novosibirsk Inst Organ Chem, Novosibirsk 630090, Russia
来源：
JOURNAL OF FLUORINE CHEMISTRY | 2014年 / 168卷
关键词：
Pentafluorophenyltrifluoroborate; Hydrodeboration; NMR spectroscopy; POLYFLUOROORGANOBORON-OXYGEN COMPOUNDS; CROSS-COUPLING REACTION; NUCLEAR-MAGNETIC-RESONANCE; BORONIC ACID; COMPLEXES; CATALYSTS; SALTS; (FLUOROORGANO)FLUOROBORANES; PENTAFLUOROPHENYLTRIFLUOROBORATE; FLUOROORGANO;
D O I：
10.1016/j.jfluchem.2014.09.016
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Potassium polyfluoroaryltrifluoroborates, K[ArFBF3] (Ar-F = C6F5, HC6F4, MeC6F4, 4-MeOC6F4, 4-indol-1-ylC(6)F(4), 4-imidazol-1-ylC(6)F(4), 4-pyrazol-1-ylC(6)F(4), 2,4,6-C6F3H2 and 4-tetrafluoropyridyl), and K[(C6F6)(2)BF2] undergo hydrodeboration to ArFH in aliphatic alcohols at elevated temperature. At the same conditions, borates K[3,4,5-C6F3H2BF3], K[4-FC6H4BF3] and K[C6H5BF3] remain intact. The presence of base (Et3N, K2CO3 and NaOMe) retards or prevents conversion of K[C6F5BF3]. Attempted hydrodeboration of K[C6F5BF3] in MeCN failed. (C) 2014 Elsevier B.V. All rights reserved.
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页码：111 / 120
页数：10
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