HCID 10113866, compound → HCID 22678029, compound

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Reaction Steps

A sample of 5-[3-(4-Chlorophenyl)prop-2-ynyl]-5-(4-methoxy-benzenesulfonyl)thiazolidine-2,4-dione (U.S. Pat. No. 5,605,918; February 1997; Wrobel, et al.) was hydrogenated in the presence of palladium on charcoal (10%) in methanol plus 2% water to give the title compound as a colorless glass, NMR (CDCl3) δ1.57 (m, 1H); 1.97(m, 1H); 2.20 (triplet of doublet), 1H); 2.45 (m, 1H); 2.61 (q, 2H); 3.92 (s, 3H); 7.0 (dd, 4H); 7.26 (d, 2H) 7.98 (d, 2H).

Provenance & Evidence