CS(O[CH2:6][CH2:7][C:8]1[C:12]2[CH:13]=[CH:14][CH:15]=[C:16]([O:17][CH2:18][C:19]([O:21][CH3:22])=[O:20])[C:11]=2[O:10][CH:9]=1)(=O)=O.[C:23]1([C:29]([C:32]2[CH:37]=[CH:36][CH:35]=[CH:34][CH:33]=2)([SH:31])[CH3:30])[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=1>>[CH3:22][O:21][C:19](=[O:20])[CH2:18][O:17][C:16]1[C:11]2[O:10][CH2:9][CH:8]([CH2:7][CH2:6][S:31][C:29]([C:23]3[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=3)([C:32]3[CH:37]=[CH:36][CH:35]=[CH:34][CH:33]=3)[CH3:30])[C:12]=2[CH:13]=[CH:14][CH:15]=1The same process as Example 17 was repeated except that methyl (3-(2-(methanesulfonyloxy)ethyl)benzofuran-7-yloxy)acetate (284 mg) and 1,1-diphenylethanethiol (240 mg) were used to obtain the object compound (310 mg, yield 95%).
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