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Tuning the Electrochemical Potential of Perfunctionalized Dodecaborate Clusters Through Vertex Differentiation

26 April 2018, Version 1
Working Paper
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

We report a new class of redox-­‐active vertex-­‐differentiated dodecaborate clusters featuring pentafluoroaryl groups. These [B12(OR)11NO2] clusters share several unique photophysical properties with their [B12(OR)12] analogues, while exhibiting significantly higher (+0.5 V) redox potentials. This work describes the synthesis, characterization, and isolation of [B12(O-­‐CH2C6F5)11NO2] clusters in all 3 oxidation states (dianion, radical, and neutral). Reactivity to post-­‐functionalization with thiol species via SNAr on the pentafluoroaryl groups is also demonstated.

Keywords

boron clusters
dodecaborate
redox active
boron radical

Supplementary materials

Title
Description
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Title
WixtromEtAl vertexdiffB12 SI withspectra-pagenumbers
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Tuning the electrochemical potential of perfunctionalized dodecaborate clusters through vertex differentiation [opens in a new tab]
Alex I. Wixtrom, Zeeshan A. Parvez, Miles D. Savage, Elaine A. Qian, Dahee Jung, Saeed I. Khan, Arnold L. Rheingold, Alexander M. Spokoyny journal article
Chemical Communications , Volume 54, Issue 46
Online publication date: 2018

Version History

Apr 26, 2018 Version 1

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The content is available under CC BY NC ND 4.0 [opens in a new tab]

DOI

10.26434/chemrxiv.6187253.v1
D O I: 10.26434/chemrxiv.6187253.v1 [opens in a new tab]

Funding

NIGMS (R35GM124746 and T32GM008496), NSF (1532232 and 1625776), 3M Non-Tenured Faculty Award, Alfred P. Sloan Foundation Fellowship

Author’s competing interest statement

none

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