Robert Dyer’s favorite structure is:

Tartaric Acid

Tartaric Acid

Source: Dalton Trans., 2014, 43, 95-102

Why?

Enatiopurity in both research and industry is extremely important due to the potential adverse effects of enantiomers. Promising drugs like Thalomid have been completely reevaluated based on the adverse effects of the drug’s enantiomer illustrating the importance of ensuring enatiopurity in the synthesis of compounds. Using crystallization, Louis Pasteur was the first scientist to separate the enantiomers of tartaric acid by physically sorting the different crystals into D and L tartaric acid. Louis Pasteur's work helped to identify that the different crystals originated from the molecular asymmetry of the molecule, helping to discover the basis of chemical chirality.—Robert Dyer

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