The influence of mineral catalysts on racemization of secondary alcohols under pyrolytic temperatures

Keheyan, Yeghis; Montesano, Camilla

doi:10.1016/j.jaap.2010.09.005

Cited by 5 publications

(2 citation statements)

References 32 publications

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“…The implication of inorganic minerals in biasing the chirality of prebiotic molecules remains uncertain given that no strong asymmetric adsorption values have been reported to date and that certain minerals were even found to promote the racemization of amino acids 286 and secondary alcohols. 287 However, evidence exists that minerals could have served as hosts and catalysts for prebiotic reactions, including the polymerization of nucleotides. 288 In addition, minute chiral biases provided by inorganic minerals could have driven SMSB processes into a deterministic outcome (Part 4).…”

Section: Chiral Surfacesmentioning

confidence: 99%

Possible chemical and physical scenarios towards biological homochirality

et al. 2022

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Section: Chiral Surfacesmentioning

confidence: 99%

Possible chemical and physical scenarios towards biological homochirality

et al. 2022

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“…104 Activated nucleotide monomers may preferentially form homochiral oligomers when elongated over homoionic montmorillonite. 219 On the other hand, zirconium dioxide surfaces have been shown to catalyze the racemization of secondary alcohols, 220 and montmorillonite has been shown to catalyze the racemization of amino acids. 221 Nucleic acids and their components.…”

Section: Mineral Surfaces As Catalystsmentioning

confidence: 99%

Mineral–organic interfacial processes: potential roles in the origins of life

et al. 2012

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Life is believed to have originated on Earth B4.4-3.5 Ga ago, via processes in which organic compounds supplied by the environment self-organized, in some geochemical environmental niches, into systems capable of replication with hereditary mutation. This process is generally supposed to have occurred in an aqueous environment and, likely, in the presence of minerals. Mineral surfaces present rich opportunities for heterogeneous catalysis and concentration which may have significantly altered and directed the process of prebiotic organic complexification leading to life. We review here general concepts in prebiotic mineral-organic interfacial processes, as well as recent advances in the study of mineral surface-organic interactions of potential relevance to understanding the origin of life.

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Pyrolytic behavior of simple chiral molecules: secondary aromatic alcohols

Keheyan

2013

Rend. Fis. Acc. Lincei

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The influence of mineral catalysts on racemization of secondary alcohols under pyrolytic temperatures

Cited by 5 publications

References 32 publications

Possible chemical and physical scenarios towards biological homochirality

Possible chemical and physical scenarios towards biological homochirality

Mineral–organic interfacial processes: potential roles in the origins of life

Pyrolytic behavior of simple chiral molecules: secondary aromatic alcohols

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