Potassium Carbonate → tert-butyl (2R,5S)-5-({[tert-butyl(dimethyl)silyl]oxy}methyl)-2-[(E)-2-(2-nitrophenyl)ethenyl]morpholine-4-carboxylate

Reaction equation

[Si:1]([O:8][CH2:9][C@H:10]1[N:15]([C:16]([O:18][C:19]([CH3:22])([CH3:21])[CH3:20])=[O:17])[CH2:14][C@@H:13]([CH:23]=O)[O:12][CH2:11]1)([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2].[Br-].[N+:26]([C:29]1[CH:54]=[CH:53][CH:52]=[CH:51][C:30]=1[CH2:31][P+](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)([O-:28])=[O:27].C(=O)([O-])[O-].[K+].[K+]>COCCOC>[Si:1]([O:8][CH2:9][C@H:10]1[N:15]([C:16]([O:18][C:19]([CH3:21])([CH3:22])[CH3:20])=[O:17])[CH2:14][C@@H:13](/[CH:23]=[CH:31]/[C:30]2[CH:51]=[CH:52][CH:53]=[CH:54][C:29]=2[N+:26]([O-:28])=[O:27])[O:12][CH2:11]1)([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2]