[CH2:1]1[N:6]([CH2:7][C:8]2[O:12][C:11]([C:13]3[CH:21]=[C:20]([C:22]4[CH:23]=[C:24]([NH:30][S:31]([CH3:34])(=[O:33])=[O:32])[C:25]([O:28][CH3:29])=[N:26][CH:27]=4)[CH:19]=[C:18]4[C:14]=3[CH:15]=[N:16][N:17]4S(C3C=CC=CC=3)(=O)=O)=[N:10][N:9]=2)[CH2:5][CH2:4][N:3]2[CH2:44][CH2:45][CH2:46][C@@H:2]12.[OH-].[Na+]>O1CCOCC1>[CH2:1]1[N:6]([CH2:7][C:8]2[O:12][C:11]([C:13]3[CH:21]=[C:20]([C:22]4[CH:23]=[C:24]([NH:30][S:31]([CH3:34])(=[O:32])=[O:33])[C:25]([O:28][CH3:29])=[N:26][CH:27]=4)[CH:19]=[C:18]4[C:14]=3[CH:15]=[N:16][NH:17]4)=[N:10][N:9]=2)[CH2:5][CH2:4][N:3]2[CH2:44][CH2:45][CH2:46][C@@H:2]12N-[5-[4-{5-[(8aS)-Hexahydropyrrolo[1,2-a]pyrazin-2(1H)-ylmethyl]-1,3,4-oxadiazol-2-yl}-1-(phenylsulfonyl)-1H-indazol-6-yl]-2-(methyloxy)-3-pyridinyl]methanesulfonamide (95 mg, 0.143 mmol) was dissolved in 1,4-dioxane (1 ml) and sodium hydroxide (1 ml, 0.143 mmol) was added. The mixture was stirred at room temperature for 1 h. The mixture was dried down under a stream of nitrogen and the residue partitioned between ethyl acetate (5 ml) and saturated ammonium chloride (2 ml). The organic layer was separated, dried by passing through a hydrophobic frit and the solvent removed in vacuo to give an orange oil. This was triturated with cyclohexane to give the title compound as an orange solid (26 mg).
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