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Progress toward artificial photosynthesis?

n is carbon monoxide (CO), which can be used directly for chemical syntheses.

From a purely formal point of view, this reaction cleaves the CO2 into an oxygen diradical and CO. However, like photosynthesis, the reaction seems to occur by way of carbamates: In the first step, CO2 binds to individual free amino groups present in the carbon nitride. It then oxidizes the benzene to phenol, and in the end the highly desirable CO separates from the catalyst. "This could make novel, previously unknown chemistry of CO2 accessible," hopes Antonietti. "It may even be the first step in artificial photosynthesis."
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Source:John Wiley & Sons, Inc.


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