4-Toluenesulfonyl chloride → (S)-2-(4-isopropyl-2-oxo-3-(3-(4-(1-((2-(trimethylsilyl)ethoxy)methyl)-1H-1,2,4-triazol-3-yl)phenyl)pyrazolo[1,5-a]pyrimidin-5-yl)imidazolidin-1-yl)ethyl 4-methylbenzenesulfonate

Reaction equation

[OH:1][CH2:2][CH2:3][N:4]1[CH2:8][C@H:7]([CH:9]([CH3:11])[CH3:10])[N:6]([C:12]2[CH:17]=[CH:16][N:15]3[N:18]=[CH:19][C:20]([C:21]4[CH:26]=[CH:25][C:24]([C:27]5[N:31]=[CH:30][N:29]([CH2:32][O:33][CH2:34][CH2:35][Si:36]([CH3:39])([CH3:38])[CH3:37])[N:28]=5)=[CH:23][CH:22]=4)=[C:14]3[N:13]=2)[C:5]1=[O:40].[CH3:41][C:42]1[CH:47]=[CH:46][C:45]([S:48](Cl)(=[O:50])=[O:49])=[CH:44][CH:43]=1>N1C=CC=CC=1>[CH3:41][C:42]1[CH:47]=[CH:46][C:45]([S:48]([O:1][CH2:2][CH2:3][N:4]2[CH2:8][C@H:7]([CH:9]([CH3:11])[CH3:10])[N:6]([C:12]3[CH:17]=[CH:16][N:15]4[N:18]=[CH:19][C:20]([C:21]5[CH:22]=[CH:23][C:24]([C:27]6[N:31]=[CH:30][N:29]([CH2:32][O:33][CH2:34][CH2:35][Si:36]([CH3:37])([CH3:39])[CH3:38])[N:28]=6)=[CH:25][CH:26]=5)=[C:14]4[N:13]=3)[C:5]2=[O:40])(=[O:50])=[O:49])=[CH:44][CH:43]=1