Methyl 4-oxobutyrate → 4-[(R)-2-{3-(2-fluoro-6-trifluoromethyl-benzyl)-4-methyl-2,6-dioxo-5-[4-(5-trifluoromethyl-furan-2-ylmethyl)-piperazin-1-yl]-3,6-dihydro-2H-pyrimidin-1-yl}-1-(2-hydroxy-phenyl)-ethylamino]-butyric acid methyl ester

Reaction equation

[NH2:1][C@H:2]([C:41]1[CH:46]=[CH:45][CH:44]=[CH:43][C:42]=1[OH:47])[CH2:3][N:4]1[C:9](=[O:10])[C:8]([N:11]2[CH2:16][CH2:15][N:14]([CH2:17][C:18]3[O:19][C:20]([C:23]([F:26])([F:25])[F:24])=[CH:21][CH:22]=3)[CH2:13][CH2:12]2)=[C:7]([CH3:27])[N:6]([CH2:28][C:29]2[C:34]([C:35]([F:38])([F:37])[F:36])=[CH:33][CH:32]=[CH:31][C:30]=2[F:39])[C:5]1=[O:40].[CH3:48][O:49][C:50](=[O:55])[CH2:51][CH2:52][CH:53]=O.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].C(=O)(O)[O-].[Na+]>>[CH3:48][O:49][C:50](=[O:55])[CH2:51][CH2:52][CH2:53][NH:1][C@H:2]([C:41]1[CH:46]=[CH:45][CH:44]=[CH:43][C:42]=1[OH:47])[CH2:3][N:4]1[C:9](=[O:10])[C:8]([N:11]2[CH2:16][CH2:15][N:14]([CH2:17][C:18]3[O:19][C:20]([C:23]([F:25])([F:24])[F:26])=[CH:21][CH:22]=3)[CH2:13][CH2:12]2)=[C:7]([CH3:27])[N:6]([CH2:28][C:29]2[C:34]([C:35]([F:38])([F:36])[F:37])=[CH:33][CH:32]=[CH:31][C:30]=2[F:39])[C:5]1=[O:40]