tert-Butyl piperazine-1-carboxylate → tert-butyl 4-((6-((3-ethyl-4-(imidazo[1,2-a]pyridine-3-carboxamido)-1H-indazol-1-yl)methyl)pyridin-2-yl)methyl)piperazine-1-carboxylate

Reaction equation

[CH2:1]([C:3]1[C:11]2[C:6](=[CH:7][CH:8]=[CH:9][C:10]=2[NH:12][C:13]([C:15]2[N:19]3[CH:20]=[CH:21][CH:22]=[CH:23][C:18]3=[N:17][CH:16]=2)=[O:14])[N:5]([CH2:24][C:25]2[CH:30]=[CH:29][CH:28]=[C:27]([CH:31]=O)[N:26]=2)[N:4]=1)[CH3:2].C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].[N:47]1([C:53]([O:55][C:56]([CH3:59])([CH3:58])[CH3:57])=[O:54])[CH2:52][CH2:51][NH:50][CH2:49][CH2:48]1>ClCCl.CO>[CH2:1]([C:3]1[C:11]2[C:6](=[CH:7][CH:8]=[CH:9][C:10]=2[NH:12][C:13]([C:15]2[N:19]3[CH:20]=[CH:21][CH:22]=[CH:23][C:18]3=[N:17][CH:16]=2)=[O:14])[N:5]([CH2:24][C:25]2[N:26]=[C:27]([CH2:31][N:50]3[CH2:51][CH2:52][N:47]([C:53]([O:55][C:56]([CH3:59])([CH3:58])[CH3:57])=[O:54])[CH2:48][CH2:49]3)[CH:28]=[CH:29][CH:30]=2)[N:4]=1)[CH3:2]