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Activation of Methane by Gaseous Metal Ions

✍ Scribed by Detlef Schröder

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
253 KB
Volume
49
Category
Article
ISSN
0044-8249

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✦ Synopsis

CÀC coupling • CÀH activation • gas-phase reactions • metal ions • methane

Methane is one of the most ubiquitous feedstocks available in large amounts from petrological as well as biogenic resources. Its economic use for purposes other than mere combustion remains a conceptual problem, however. Steam reforming converts methane into syngas [Eq. ( 1)] from which methanol can be produced in a second step [Eq. ( 2)]; the CO:H 2 ratio of the syngas can be adjusted by the water-gasshift reaction. [1] While the technology of this process is well developed, investment volumes are large and smaller sources of methane cannot be exploited this way.

In this respect, Lang et al. report in this issue that isolated Au 2 + cluster cations can mediate a C-C coupling of methane Scheme 1. CÀH bond activation of methane and subsequent C-O or C-C coupling.

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