(4-Methanesulfonamidophenyl)boronic acid → HCID 87237198, compound

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The title compound was prepared in analogy to example 166, from (+)-5-{3-(4-bromo-phenyl)-3-(4-chloro-2-methyl-phenyl)-1-[(E)-hydroxyimino]-propyl}-1-methyl-1H-pyridin-2-one (example 415) and 4-(methanesulfonylamino)phenylboronic acid (CAS RN 380430-57-9). The compound was purified by silica gel chromatography on a 20 g column using a MPLC system eluting with a gradient of dichloromethane:methanol (100:0 to 90:10). Light brown foam. MS (ESI+): m/z=550.2 ([M+H]+).

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