Hiroki Koizumi

One-Pot Synthesis of N-Substituted Carbamic Acid Esters from Low Concentrations of CO2

Jun‐Chul Choi, Hiroki Koizumi, K. Takeuchi, 2022, ACS Sustainable Chemistry & Engineering.

A Ru(II)–Mn(I) Supramolecular Photocatalyst for CO2 Reduction

David C. Fabry, D. Ghosh, Hiroki Koizumi, 2020 .

Photocatalytic CO2 reduction using a Mn complex as a catalyst.

Hiroki Koizumi, O. Ishitani, Hiroyuki Takeda, 2014, Chemical communications.

CO2 capture by Mn(i) and Re(i) complexes with a deprotonated triethanolamine ligand

Hiroki Koizumi, O. Ishitani, K. Nozaki, 2019, Chemical science.

One-pot catalytic synthesis of urea derivatives from alkyl ammonium carbamates using low concentrations of CO2

Jun‐Chul Choi, Hiroki Koizumi, K. Takeuchi, 2021, Communications Chemistry.

Direct Conversion of Low-Concentration CO2 into N-Aryl and N-Alkyl Carbamic Acid Esters Using Tetramethyl Orthosilicate with Amidines as a CO2 Capture Agent and a Catalyst.

Jun‐Chul Choi, Hiroki Koizumi, K. Takeuchi, 2023, The Journal of organic chemistry.

Direct use of low-concentration CO2 in the synthesis of dialkyl carbonates, carbamate acid esters, and urea derivatives

Hiroki Koizumi, N. Fukaya, Katsuhiko Takeuchi, 2024, Journal of CO2 Utilization.