Electrocarboxylation of Spiropyran Switches through Carbon-Bromide Bond Cleavage Reaction

Autor: Sara Santiago, Clara Richart, Silvia Mena, Iluminada Gallardo, Jordi Hernando, Gonzalo Guirado
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Dipòsit Digital de Documents de la UAB
Universitat Autònoma de Barcelona
Popis: Acord transformatiu CRUE-CSIC Altres ajuts: Autonomous University of Barcelona predoctoral PIF grant This manuscript deals with carbon capture and utilization to synthetize high-added chemicals using CO as a C1-organic building block for C−C bond formation. The study focuses on the electrocarboxylation of 1,3,3-trimethylindolino-6'-bromobenzopyrylospiran switch (Br-BIPS). Prior to the electrocarboxylation process, the electrochemical reduction mechanism of Br-BIPS and CO is disclosed in polar aprotic solvents using two different cathodes (glassy carbon and silver) under nitrogen atmosphere. Once the role of the cathode in the reduction carbon-bromide bond cleavage is understood, carboxylated spiropyran derivatives can be synthesized in moderate yields and conversion rates through an electrocarboxylation process using CO silver cathode and polar aprotic solvents. The "green" efficient route described in the current work would open a new sustainable strategy for designing and building "smart" surfaces with switchable physical properties.
Databáze: OpenAIRE