NDLI: TiO2-catalyzed synthesis of sugars from formaldehyde in extraterrestrial impacts on the early Earth

Content Provider	PubMed Central
Author	Civiš, Svatopluk Szabla, Rafał Szyja, Bartłomiej M. Smykowski, Daniel Ivanek, Ondřej Knížek, Antonín Petr, Kubelík Šponer, Jiří Martin, Ferus Šponer, Judit E.
Copyright Year	2016
Abstract	Recent synthetic efforts aimed at reconstructing the beginning of life on our planet point at the plausibility of scenarios fueled by extraterrestrial energy sources. In the current work we show that beyond nucleobases the sugar components of the first informational polymers can be synthesized in this way. We demonstrate that a laser-induced high-energy chemistry combined with TiO2 catalysis readily produces a mixture of pentoses, among them ribose, arabinose and xylose. This chemistry might be highly relevant to the Late Heavy Bombardment period of Earth’s history about 4–3.85 billion years ago. In addition, we present an in-depth theoretical analysis of the most challenging step of the reaction pathway, i.e., the TiO2-catalyzed dimerization of formaldehyde leading to glycolaldehyde.
Related Links	http://dx.doi.org/10.1038/srep23199
Starting Page	23199
File Format	PDF
ISSN	20452322
e-ISSN	20452322
Journal	Scientific Reports
Volume Number	6
Language	English
Publisher	Nature Publishing Group
Publisher Date	2016-03-01
Access Restriction	Open
Rights Holder	Nature Publishing Group
Subject Keyword	Science and technology Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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TiO2-catalyzed synthesis of sugars from formaldehyde in extraterrestrial impacts on the early Earth