[CH3:1][C:2]1[S:3][CH:4]=[C:5]([C:7]([N:9]2[CH2:27][CH2:26][C:13]3([CH2:18][CH2:17][N:16](C(OC(C)(C)C)=O)[CH2:15][CH2:14]3)[O:12][CH2:11][CH2:10]2)=[O:8])[N:6]=1.[F:28][C:29]([F:34])([F:33])[C:30]([OH:32])=[O:31].C1(C)C=CC=CC=1>C(Cl)Cl>[F:28][C:29]([F:34])([F:33])[C:30]([OH:32])=[O:31].[CH3:1][C:2]1[S:3][CH:4]=[C:5]([C:7]([N:9]2[CH2:27][CH2:26][C:13]3([CH2:18][CH2:17][NH:16][CH2:15][CH2:14]3)[O:12][CH2:11][CH2:10]2)=[O:8])[N:6]=1A solution of tert-butyl 10-(2-methylthiazole-4-carbonyl)-7-oxa-3,10-diazaspiro[5.6]dodecane-3-carboxylate (example 89, step f) (0.21 g) in DCM (10 mL) was treated with trifluoroacetic acid (10 mL) and the solution allowed to stand at 20° C. for 25 minutes. Toluene (40 mL) was added and the solvents evaporated under reduced pressure. The residue was azeotroped with acetonitrile to afford the subtitled compound. Yield 0.21 g.
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