Activated Acetic Acid by Carbon Fixation on (Fe,Ni)S Under Primordial Conditions
- 11 April 1997
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 276 (5310) , 245-247
- https://doi.org/10.1126/science.276.5310.245
Abstract
In experiments modeling the reactions of the reductive acetyl–coenzyme A pathway at hydrothermal temperatures, it was found that an aqueous slurry of coprecipitated NiS and FeS converted CO and CH 3 SH into the activated thioester CH 3 -CO-SCH 3 , which hydrolyzed to acetic acid. In the presence of aniline, acetanilide was formed. When NiS-FeS was modified with catalytic amounts of selenium, acetic acid and CH 3 SH were formed from CO and H 2 S alone. The reaction can be considered as the primordial initiation reaction for a chemoautotrophic origin of life.Keywords
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