Dimercaprol → 5-[2-[(3-hydroxy-2-mercaptopropyl)thio]-2-(3-thienyl)ethyl]-2-methyl-2-phenylfuran-3(2H)-one

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According to the procedure of Method A, Example 1, (E)-2-methyl-2-phenyl-5-[2-(3-thienyl)ethenyl]-3(2H)-furanone was reacted with 2,3-dimercapto-1-propanol to provide 5-[2-[(3-hydroxy-2-mercaptopropyl)thio]-2-(3-thienyl)ethyl]-2-methyl-2-phenylfuran-3(2H)-one: 1H NMR (CDCl3) δ1.65 (m, 1H) and overlapping 1.65 and 1.68 (singlets, 3H), 1.92 (br s with fine structure, 1H), 2.65-2.80 (m, 2H), 2.89 (br s with fine structure, 1H), 3.10-3.28 (m, 2H), 4.43-4.60 (m, 1H), 5.38, 5.40 and 5.41 (singlets, 1H), 7.13-7.20 (m, 2H), 7.25-7.43 (m, 6H); MS (LR-ESI) m/z 407 (M+H calcd. for C20H23NO3S3 407).

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