[O:1]=[C:2]1[C:8]2[CH:9]=[CH:10][CH:11]=[CH:12][C:7]=2[S:6][C:5]2[CH:13]=[C:14]([C:17]([O:19][CH3:20])=[O:18])[CH:15]=[CH:16][C:4]=2[NH:3]1.ClC1C=CC=C(C(OO)=[O:29])C=1>C(Cl)Cl>[O:1]=[C:2]1[C:8]2[CH:9]=[CH:10][CH:11]=[CH:12][C:7]=2[S:6](=[O:29])[C:5]2[CH:13]=[C:14]([C:17]([O:19][CH3:20])=[O:18])[CH:15]=[CH:16][C:4]=2[NH:3]1Suspend 1.14 gm (4 mmole) of the ester of Example 23 in 60 ml of methylene chloride and add 1.035 gm of commercial m-chloroperbenzoic acid. Stir at room temperature for 45 minutes and filter. Concentrate the filtrate and separate the solids. Combine the solids to obtain the title product (yield 1.21 gm).
불러오는 중…