Br[C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[NH:8][CH2:7][CH:6]([NH:12][S:13]([C:16]1[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=1)(=[O:15])=[O:14])[CH2:5]2.[C:22]1(B(O)O)[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=1>>[C:22]1([C:2]2[CH:3]=[C:4]3[C:9](=[CH:10][CH:11]=2)[NH:8][CH2:7][CH:6]([NH:12][S:13]([C:16]2[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=2)(=[O:15])=[O:14])[CH2:5]3)[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=1Compound 170A was prepared from 87A and phenylboronic acid by procedures analogous to those described in Example 91A.
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