Cornforth reagent → HCID 68625259, compound

Participants

Reaction Steps

Using the pyridinium dichromate oxidation analogous to Example 139C, (5-{1-ethyl-1-[4-(3-hydroxy-4,4-dimethyl-pentyl)-3-methyl-phenyl]-propyl}-3-methyl-thiophene-2-sulfonylamine)-acetic acid methyl ester gives the title compound (96%). 1H NMR (CDCl3) δ 6.96, 7.02 (m, 3H), 6.59 (s, 1H), 5.22 (t, 1H), 3.83 (d, 1H, J=5.7 Hz), 3.65 (s, 3H), 2.82 (t, 2H), 2.72 (t, 2H), 2.40 (s, 3H), 2.27 (s, 3H), 2.07 (m, 4H), 1.10 (s, 9H), 0.68 (t, 6H);

Provenance & Evidence