Aqueous glyoxal, which is used to scavenge hydrogen sufide in crude oil, reacts with an excess of the gas to yield a white crystalline material, the structure of which is deduced to be one of four isomers of trans,trans-4,4′,5,5′-tetrahydroxy-2,2′-bi(1,3-thioxolane)(8a–d).
C. T. Bedford, A. Fallah, E. Mentzer and F. A. Williamson, J. Chem. Soc., Chem. Commun., 1992, 1035 DOI: 10.1039/C39920001035
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