[CH3:1][C:2]([C:5]1[CH:10]=[C:9]([SH:11])[CH:8]=[C:7]([C:12]([CH3:15])([CH3:14])[CH3:13])[C:6]=1[OH:16])([CH3:4])[CH3:3].C(N(CC)CC)C.[C:24]([O:28][CH3:29])(=[O:27])[CH:25]=[CH2:26]>CO>[CH3:4][C:2]([C:5]1[CH:10]=[C:9]([S:11][CH2:26][CH2:25][C:24]([O:28][CH3:29])=[O:27])[CH:8]=[C:7]([C:12]([CH3:15])([CH3:14])[CH3:13])[C:6]=1[OH:16])([CH3:1])[CH3:3]To a solution of 2,6-bis(1,1-dimethylethyl)-4-mercaptophenol (5.00 g, 0.021 mole) and triethylamine (0.5 ml) in methanol (50 ml) was added methyl acrylate (5.40 g, 0.063 mole). The mixture was stirred under argon at room temperature for about 20 hours. Volatiles were removed in vacuo to give an oil. Chromatography on silica gel and recrystallization from hexane gave the title compound, m.p. 63.5°-65.5°.
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