Journal
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN
Volume 92, Issue 2, Pages 344-351Publisher
CHEMICAL SOC JAPAN
DOI: 10.1246/bcsj.20180301
Keywords
Iridium; Functional Ligand; Dehydrogenation
Categories
Funding
- JSPS KAKENHI [19750075, 22550098, 25105732, 26620153, 26288047, 16H01018, 18H04255]
- UBE Industries Foundation
- Asahi Glass Foundation
- Tonen General Sekiyu Research/Development Encouragement & Scholarship Foundation
- Mitsubishi Foundation
- Research Foundation for the Electrotechnology of Chubu
- ENEOS Hydrogen Trust Fund
- Yashima Environment Technology Foundation
- Grants-in-Aid for Scientific Research [26288047, 26620153, 18H04255, 25105732, 22550098, 19750075, 16H01018] Funding Source: KAKEN
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In this paper, development and application of iridium catalysts for dehydrogenative reactions including (1) dehydrogenative oxidation of alcohols into carbonyl compounds, (2) hydrogen storage systems based on the reversible interconversion between saturated N-heterocycles and unsaturated aromatic N-heterocycles by catalytic dehydrogenation and hydrogenation, and (3) efficient hydrogen production from methanolwater solution under very mild conditions, are reported. The key point of the study described in this paper is designing a series of catalysts based on the cooperation of a metal center and a functional ligand, which is based on reversible transformation of two catalytically active species (an iridium species bearing a-pyridonate-based functional ligand and an iridium species bearing a-hydroxypyridine-based functional ligand). Various novel iridium catalysts have been synthesized and a number of catalytic dehydrogenative reactions have been developed. In addition to providing new methods for organic synthetic chemistry, these investigations would contribute to the fields of environmental chemistry and sustainable energy research.
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