Ethylene Glycol → N-benzyloxycarbonyl-2(R,S)-(dioxolan2-yl)-3,4-dihydro-2H-1,4-benzoxazine

Reaction equation

C(NC(=O)[C@H](C)C[C@H](O)[C@@H](N)CC(C)(C)C[C:14]([N:16]1[C:21]2[CH:22]=[CH:23][CH:24]=[CH:25][C:20]=2[O:19][CH:18]([CH:26]2[O:30][CH2:29][CH2:28][O:27]2)[CH2:17]1)=[O:15])CCC.[CH2:37]([O:44]C(N1C2C=CC=CC=2OC(C=O)C1)=O)[C:38]1[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=1.C(O)CO.O.C1(C)C=CC(S(O)(=O)=O)=CC=1>C1(C)C=CC=CC=1.C(OCC)(=O)C.O>[CH2:37]([O:44][C:14]([N:16]1[C:21]2[CH:22]=[CH:23][CH:24]=[CH:25][C:20]=2[O:19][CH:18]([CH:26]2[O:27][CH2:28][CH2:29][O:30]2)[CH2:17]1)=[O:15])[C:38]1[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=1