[CH:1]([S:4][S:5][CH2:6][CH:7]([NH:17][C:18](=[O:24])[O:19][CH2:20][CH:21]([CH3:23])[CH3:22])[C:8](=[O:16])[NH:9][CH:10]1[CH2:15][CH2:14][NH:13][CH2:12][CH2:11]1)([CH3:3])[CH3:2].[O:25]=[P:26]([Cl:29])(Cl)[Cl:27].[CH3:30]CN(CC)CC>C(Cl)Cl>[C:1]([S:4][S:5][CH2:6][CH:7]([NH:17][C:18](=[O:24])[O:19][CH2:20][CH:21]([CH3:23])[CH3:22])[C:8]([NH:9][CH:10]1[CH2:11][CH2:12][N:13]([P:26]([Cl:29])([Cl:27])=[O:25])[CH2:14][CH2:15]1)=[O:16])([CH3:30])([CH3:3])[CH3:2]To the compound from Example 61 (7.746 g, 18.12 mmol) in DCM (200 ml) at −78° C. was slowly injected POCl3 (1.69 ml, 18.12 mmol) under Ar, followed by the addition of Et3N (7.58 ml, 54.36 mmol). The reaction was stirred at RT for 5 h, concentrated to remove excess base and solvent. The title compound was given as white solid after ISCO purification (50% EtAc/Hexane).
Wird geladen…