[OH:1][C:2]1[CH2:7][C:6]([CH2:11][CH2:12][C:13]2[CH:17]=[C:16]([CH2:18][OH:19])[S:15][CH:14]=2)([CH:8]([CH3:10])[CH3:9])[O:5][C:4](=[O:20])[CH:3]=1.[C:21]([C:25]1[CH:30]=[C:29]([CH2:31][OH:32])[C:28]([CH3:33])=[CH:27][C:26]=1[S:34]S(C1C=CC(C)=CC=1)(=O)=O)([CH3:24])([CH3:23])[CH3:22].C(=O)([O-])[O-].[K+].[K+]>CN(C=O)C>[C:21]([C:25]1[CH:30]=[C:29]([CH2:31][OH:32])[C:28]([CH3:33])=[CH:27][C:26]=1[S:34][C:3]1[C:4](=[O:20])[O:5][C:6]([CH2:11][CH2:12][C:13]2[CH:17]=[C:16]([CH2:18][OH:19])[S:15][CH:14]=2)([CH:8]([CH3:9])[CH3:10])[CH2:7][C:2]=1[OH:1])([CH3:24])([CH3:23])[CH3:22]The title compound was prepared as described in General Method 16a using 4-hydroxy-6-[2-(5-hydroxymethyl-thiophen-3-yl)-ethyl]-6-isopropyl-5,6-dihydro-pyran-2-one (Example E-23; 0.67 mmol), toluene-4-thiosulfonic acid S-(2-tert-butyl-4-hydroxymethyl-5-methyl-phenyl)ester (Example BB-2; 0.74 mmol), potassium carbonate (2.7 mmol) in DMF (5 mL), mp 76-80° C. MS (APCI): 503 (M−H).
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