期刊
ACS CATALYSIS
卷 9, 期 10, 页码 9485-9498出版社
AMER CHEMICAL SOC
DOI: 10.1021/acscatal.9b02951
关键词
acridines; alkenes; biomass; carboxylic acids; dual catalysis; photocatalysis
资金
- Welch Foundation [AX-1788]
- NSF [CHE-1455061, CHE-1625963]
- Brown Foundation
Direct conversion of renewable biomass and bioderived chemicals to valuable synthetic intermediates for organic synthesis and materials science applications by means of mild and chemoselective catalytic methods has largely remained elusive. Development of artificial catalytic systems that are compatible with enzymatic reactions provides a synergistic solution to this enduring challenge by leveraging previously unachievable reactivity and selectivity modes. We report herein a dual catalytic dehydrodecarboxylation reaction that is enabled by a crossover of the photoinduced acridine-catalyzed O-H hydrogen atom transfer (HAT) and cobaloxime-catalyzed C-H-HAT processes. The reaction produces a variety of alkenes from readily available carboxylic acids. The reaction can be embedded in a scalable triple-catalytic cooperative chemoenzymatic lipase-acridine-cobaloxime process that allows for direct conversion of plant oils and biomass to long-chain terminal alkenes, precursors to bioderived polymers.
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