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Photoinduced Electron Transfer Reaction for Synthesis of Tetrahydroquinoline Derivatives with Conjugated Structure Using Chlorophyll B‐modified Magnetic Titanium Dioxide Photocatalyst by Aida Heidari; Reza Teimuri‐Mofrad; Kazem D. Safa is a Chemistry article available to read on EtoBox.

What is Photoinduced Electron Transfer Reaction for Synthesis of Tetrahydroquinoline Derivatives with Conjugated Structure Using Chlorophyll B‐modified Magnetic Titanium Dioxide Photocatalyst about?

Photocatalytic conversion of organic compounds has recently emerged as a cost‐effective, safe, and easy‐to‐operate procedure to synthesize value‐added materials. In this study, the magnetic titanium dioxide‐based (Fe3O4/SiO2/TiO2) photocatalyst was designed to synthesize conjugated derivatives of tetrahydroquinoline through a photoinduced electron transfer (PET) reaction. Chlorophyll b was immobilized on the surface of magnetic titanium dioxide, as a natural visible‐light‐sensitive compound using 3‐aminopropyltriethoxysilane (APTES) as a coupling agent containing terminal amine (Fe3O4/SiO2/TiO2‐NH2‐Chb) to improve light harvesting ability. Fourier transform infrared (FT‐IR), powder X‐ray diffraction (PXRD), thermogravimetric analysis (TGA), energy‐dispersive X‐ray spectrometer (EDS), and vibrating sample magnetometer (VSM) results confirmed the successful synthesis of Fe3O4/SiO2/TiO2‐NH2‐Chb. Scanning electron microscope (SEM) and transmission electron microscope (TEM) images displayed the preserved spherical morphology of Fe3O4/SiO2/TiO2‐NH2‐Chb. Chlorophyll b‐modified magnetic titanium dioxide was highly active under visible‐light irradiation toward the cyclization of (*E*)‐3‐[4‐

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Author

Aida Heidari; Reza Teimuri‐Mofrad; Kazem D. Safa

Publisher

Wiley

Published

2023

Language

EN

Field

Chemistry (Physical Sciences)