Triethylamine → 6-allyl-3-((S)-3-(tert-butyldimethylsilyloxy)-3-methylbutan-2-yl)-6-phenyl-1,3-oxazinan-2-one

Reaction equation

[Si:1]([O:8][C:9]([CH3:27])([CH3:26])[C@@H:10]([NH:12][CH2:13][CH2:14][C:15]([C:20]1[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=1)([OH:19])[CH2:16][CH:17]=[CH2:18])[CH3:11])([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2].CCN(CC)CC.Cl[C:36](Cl)([O:38]C(=O)OC(Cl)(Cl)Cl)Cl>C(Cl)Cl>[CH2:16]([C:15]1([C:20]2[CH:21]=[CH:22][CH:23]=[CH:24][CH:25]=2)[O:19][C:36](=[O:38])[N:12]([C@H:10]([C:9]([O:8][Si:1]([C:4]([CH3:5])([CH3:6])[CH3:7])([CH3:3])[CH3:2])([CH3:26])[CH3:27])[CH3:11])[CH2:13][CH2:14]1)[CH:17]=[CH2:18]