An intriguing example of how chirally enriched amino acids in the prebiotic world can generate sugars with D- configuration & with enantioenrichment: L-proline:
L-proline: a 2 ° amine; popular as an organocatalyst because it forms enamines readily
Amino Acids and Peptides Precursors of Proteins. Proteins (Amino Acids) Only 20 naturally-occurring amino acids Only linear structures.
