Facile proton-coupled electron transfer enabled by coordination-induced E-H bond weakening to boron

Anthony Wong, Arunavo Chakraborty, Deependra Bawari, Guang Wu, Roman Dobrovetsky, Gabriel Ménard*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We report the facile activation of aryl E-H (ArEH; E = N, O, S; Ar = Ph or C6F5) or ammonia N-H bondsviacoordination-induced bond weakening to a redox-active boron center in the complex, (1). Substantial decreases in E-H bond dissociation free energies (BDFEs) are observed upon substrate coordination, enabling subsequent facile proton-coupled electron transfer (PCET). A drop of >50 kcal mol−1in H2N-H BDFE upon coordination was experimentally determined.

Original languageEnglish
Pages (from-to)6903-6906
Number of pages4
JournalChemical Communications
Volume57
Issue number56
DOIs
StatePublished - 18 Jul 2021

Funding

FundersFunder number
National Science FoundationCHE-1900651
United States-Israel Binational Science Foundation2018221

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