[NH2:1][CH2:2][CH:3]1[O:7][CH2:6][CH:5]([S:8][C:9]2[CH:15]([CH3:16])[CH:14]3[N:11]([C:12](=[O:20])[CH:13]3[CH:17]([OH:19])[CH3:18])[C:10]=2[C:21]([OH:23])=[O:22])[CH2:4]1.P([O-])([O-])([O-])=O.[Na+].[Na+].[Na+].Cl.[C:33](=[NH:38])(OCC)[CH3:34]>>[OH:19][CH:17]([CH:13]1[C:12](=[O:20])[N:11]2[CH:14]1[CH:15]([CH3:16])[C:9]([S:8][CH:5]1[CH2:4][CH:3]([CH2:2][NH:1][C:33](=[NH:38])[CH3:34])[O:7][CH2:6]1)=[C:10]2[C:21]([OH:23])=[O:22])[CH3:18]The title compound is prepared by the procedure of Example 47 using 0.052 g of product from Example 46, 5 ml of sodium phosphate buffer (pH 7) adjusted to pH 8.5 and 0.097 g of ethyl acetimidate hydrochloride to give 0.045 g of the desired product.
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