Persistent Radical Pairs Between N-Substituted Naphthalimide and Carbanion Exhibit pKa-Dependent UV-vis Absorption

Xiancheng Nie; Tao Wang; Xiaoyu Chen; Wenhuan Huang; Linkun Huang; Biao Chen; Guoqing Zhang

doi:10.26434/chemrxiv.10011368.v2

Analytical Chemistry

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Persistent Radical Pairs Between N-Substituted Naphthalimide and Carbanion Exhibit pKa-Dependent UV-vis Absorption

31 December 2019, Version 2

Working Paper

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This content is a preprint and has not undergone peer review at the time of posting.

Abstract

A new strategy is constructed for estimating and screening pK_a values among different carbon acids under ambient conditions via the UV-vis absorption spectrum of persistent radical pair originating from an N-substituted naphthalimide (NNI) derivative in the presence of various carbanions in organic solutions

Keywords

Carbanion Radicals

UV-vis Absorption

pKa measurement

Supplementary materials

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