Multiple C–B Bond Cleavage Reactions at [BArF4]− Anions Mediated by Terphenyl Phosphine Gold Catalysts

IF 2.9 3区 化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR Organometallics Pub Date : 2024-12-12 DOI:10.1021/acs.organomet.4c00484
Juan Miranda-Pizarro, Miquel Navarro and Jesús Campos*, 
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Abstract

Fluorinated borates have been widely used as innocent and weakly coordinating counteranions. Among those, [BArF4] ([B(C6H3-3,5-(CF3)2)4]) occupies a prominent position due to the robustness of its B–C carbon bonds. Herein, we investigate C–B bond cleavage in the [BArF4] anion mediated by cationic gold fragments of type [Au(PMe2Ar′)]+, where Ar′ stands for bulky terphenyl (C6H3-2,6-Ar2) substituents. In addition, we have exploited the stoichiometric B–C bond cleavage to construct a catalytic cycle for the synthesis of boranes under acidic conditions.

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三苯基膦金催化剂介导的[BArF4]−阴离子上多个C-B键断裂反应
氟化硼酸盐被广泛用作无害和弱配位的反阴离子。其中,[BArF4]−([B(c6h3 -3,5-(CF3)2)4]−)由于其B - c碳键的鲁棒性而占据突出地位。本文中,我们研究了[Au(PMe2Ar ‘)]+型阳离子金片段介导的[BArF4]−阴离子中C-B键的断裂,其中Ar ’代表大体积的terphenyl (C6H3-2,6-Ar2)取代基。此外,我们利用化学计量学的B-C键裂解构建了一个在酸性条件下合成硼烷的催化循环。
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来源期刊
Organometallics
Organometallics 化学-无机化学与核化学
CiteScore
5.60
自引率
7.10%
发文量
382
审稿时长
1.7 months
期刊介绍: Organometallics is the flagship journal of organometallic chemistry and records progress in one of the most active fields of science, bridging organic and inorganic chemistry. The journal publishes Articles, Communications, Reviews, and Tutorials (instructional overviews) that depict research on the synthesis, structure, bonding, chemical reactivity, and reaction mechanisms for a variety of applications, including catalyst design and catalytic processes; main-group, transition-metal, and lanthanide and actinide metal chemistry; synthetic aspects of polymer science and materials science; and bioorganometallic chemistry.
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