Cesium carbonate → (+/-)-tert-butyl ((3R,4R)-3-((tert-butyldimethylsilyl)oxy)-1-(2-chloro-5-cyano-3-((7-cyano-4-(cyclopropyl(4-methoxybenzyl)amino)imidazo[2,1-f][1,2,4]triazin-2-yl)amino)phenyl)piperidin-4-yl)carbamate

Reaction equation

[CH:1]1([N:4]([CH2:20][C:21]2[CH:26]=[CH:25][C:24]([O:27][CH3:28])=[CH:23][CH:22]=2)[C:5]2[C:10]3=[N:11][CH:12]=[C:13]([C:14]#[N:15])[N:9]3[N:8]=[C:7](S(C)(=O)=O)[N:6]=2)[CH2:3][CH2:2]1.[NH2:29][C:30]1[C:31]([Cl:60])=[C:32]([N:38]2[CH2:43][CH2:42][C@@H:41]([NH:44][C:45](=[O:51])[O:46][C:47]([CH3:50])([CH3:49])[CH3:48])[C@H:40]([O:52][Si:53]([C:56]([CH3:59])([CH3:58])[CH3:57])([CH3:55])[CH3:54])[CH2:39]2)[CH:33]=[C:34]([C:36]#[N:37])[CH:35]=1.C(=O)([O-])[O-].[Cs+].[Cs+]>CN(C=O)C.C(OCC)(=O)C>[Si:53]([O:52][C@H:40]1[C@H:41]([NH:44][C:45](=[O:51])[O:46][C:47]([CH3:50])([CH3:49])[CH3:48])[CH2:42][CH2:43][N:38]([C:32]2[CH:33]=[C:34]([C:36]#[N:37])[CH:35]=[C:30]([NH:29][C:7]3[N:6]=[C:5]([N:4]([CH:1]4[CH2:3][CH2:2]4)[CH2:20][C:21]4[CH:26]=[CH:25][C:24]([O:27][CH3:28])=[CH:23][CH:22]=4)[C:10]4=[N:11][CH:12]=[C:13]([C:14]#[N:15])[N:9]4[N:8]=3)[C:31]=2[Cl:60])[CH2:39]1)([C:56]([CH3:57])([CH3:58])[CH3:59])([CH3:55])[CH3:54]