| Summary: | The multiplicity of simple molecules available on the primitive Earth probably made possible the development of extremely diverse prebiotic chemistry. The importance of thiols is widely recognized in the community studying the origin of life. De Duve’s “thioester world” has been considered a major contribution in this regard, where thioester bonds have high energies and thus can contribute to several chemical reactions. Herein, we propose specific models of thiols that exhibit unique activities toward several chemical reactions. Thanks to aminothiol and aminonitrile behaviors, we were able to obtain thiol-rich peptides with interesting catalytic activities leading to the formation of structurally diverse molecules. In a broader context, such chemistry could be introduced into systems chemistry scenarios in which it would be associated with the chemistry of nucleic acids or their precursors, as well as that of fatty acids.
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