N-(5-benzyloxy-6-hydroxymethyl-4-oxo-4H-pyran-2-ylmethyl)-benzene sulfonamide → N-(5-Benzyloxy-6-hydroxymethyl-4-oxo-4H-pyran-2-ylmethyl)-3-chloro-benzenesulfonamide
Reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]([S:8]([NH:11][CH2:12][C:13]2[O:14][C:15]([CH2:21][OH:22])=[C:16]([OH:20])[C:17](=[O:19])[CH:18]=2)(=[O:10])=[O:9])[CH:5]=[CH:6][CH:7]=1.[CH2:23](OC1C(=O)C=C(CNS(C2C=CC=CC=2)(=O)=O)OC=1CO)[C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=1>>[CH2:23]([O:20][C:16]1[C:17](=[O:19])[CH:18]=[C:13]([CH2:12][NH:11][S:8]([C:4]2[CH:5]=[CH:6][CH:7]=[C:2]([Cl:1])[CH:3]=2)(=[O:10])=[O:9])[O:14][C:15]=1[CH2:21][OH:22])[C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=1Participants
3
Reactant 2
Product 1
Procedure
N-(5-Benzyloxy-6-hydroxymethyl-4-oxo-4H-pyran-2-ylmethyl)-3-chloro-benzenesulfonamide (10-05) (2.2 g, 24.88%) was synthesized as a white solid from 3-chloro-N-(5-hydroxy-6-hydroxymethyl-4-oxo-4H-pyran-2-ylmethyl)-benzenesulfonamide (9-05) (7.0 g, 20.29 mmol) following the procedure described for N-(5-benzyloxy-6-hydroxymethyl-4-oxo-4H-pyran-2-ylmethyl)-benzenesulfonamide (10-01).