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Electro-inductive effect: Electrodes as functional groups with tunable electronic properties

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Title
Electro-inductive effect: Electrodes as functional groups with tunable electronic properties
Author(s)
Joon Heo; Hojin Ahn; Joonghee Won; Jin Gyeong Son; Hyun Kyong Shon; Tae Geol Lee; Sang Woo Han; Mu-Hyun Baik
Subject
SELF-ASSEMBLED MONOLAYERS, ; ENHANCED RAMAN-SCATTERING, ; 4-MERCAPTOBENZOIC ACID, ; TRIPLE ROLE, ; SERS, ; ELIMINATION, ; DESORPTION, ; SURFACES, ; CATALYST, ; IONS
Publication Date
2020-10
Journal
SCIENCE, v.370, no.6513, pp.214 - 219
Publisher
AMER ASSOC ADVANCEMENT SCIENCE
Abstract
© 2020, The Authors. In place of functional groups that impose different inductive effects, we immobilize molecules carrying thiol groups on a gold electrode. By applying different voltages, the properties of the immobilized molecules can be tuned. The base-catalyzed saponification of benzoic esters is fully inhibited by applying a mildly negative voltage of -0.25 volt versus open circuit potential. Furthermore, the rate of a Suzuki-Miyaura cross-coupling reaction can be changed by applying a voltage when the arylhalide substrate is immobilized on a gold electrode. Finally, a two-step carboxylic acid amidation is shown to benefit from a switch in applied voltage between addition of a carbodiimide coupling reagent and introduction of the amine
URI
https://pr.ibs.re.kr/handle/8788114/7593
DOI
10.1126/science.abb6375
ISSN
0036-8075
Appears in Collections:
Center for Catalytic Hydrocarbon Functionalizations(분자활성 촉매반응 연구단) > 1. Journal Papers (저널논문)
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