ArticleProceedings of the National Academy of Sciences of the United States of America2014
Sphalerite is a geochemical catalyst for carbon-hydrogen bond activation.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 32 citations in OpenAlex.
- Activity-Based Fluorescent Probes for Hydrogen Sulfide and Related Reactive Sulfur Species.Chemical reviews · 2024Review
- NADPH-dependent and -independent disulfide reductase systems.Free radical biology & medicine · 2018Review
- Yellowstone Hot Springs are Organic Chemodiversity Hot Spots.Scientific reports · 2018Article
- Carbonaceous Chondrite Meteorites: the Chronicle of a Potential Evolutionary Path between Stars and Life.Origins of life and evolution of the biosphere : the journal of the International Society for the Study of the Origin of Life · 2017Article
- Hydrocarbons in phlogopite from Kasenyi kamafugitic rocks (SW Uganda): cross-correlated AFM, confocal microscopy and Raman imaging.Scientific reports · 2017Article
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Authors and funding
5 authors at 1 institution in 1 country.
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Abstract
Reactions among minerals and organic compounds in hydrothermal systems are critical components of the Earth's deep carbon cycle, provide energy for the deep biosphere, and may have implications for the origins of life. However, there is limited information as to how specific minerals influence the reactivity of organic compounds. Here we demonstrate mineral catalysis of the most fundamental component of an organic reaction: the breaking and making of a covalent bond. In the absence of mineral, hydrothermal reaction of cis- and trans-1,2-dimethylcyclohexane is extremely slow and generates many products. In the presence of sphalerite (ZnS), however, the reaction rate increases dramatically and one major product is formed: the corresponding stereoisomer. Isotope studies show that the sphalerite acts as a highly specific heterogeneous catalyst for activation of a single carbon-hydrogen bond in the dimethylcyclohexanes.
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