Potassium Carbonate → 2-{[Methoxycarbonylmethyl-(toluene-4-sulfonyl)-amino]-methyl}-4-(pyridin-2-yloxy)-benzoic acid ethyl ester

Reaction equation

[CH2:1]([O:3][C:4](=[O:20])[C:5]1[CH:10]=[CH:9][C:8]([O:11][C:12]2[CH:17]=[CH:16][CH:15]=[CH:14][N:13]=2)=[CH:7][C:6]=1[CH2:18]Br)[CH3:2].[NH:21]([S:27]([C:30]1[CH:36]=[CH:35][C:33]([CH3:34])=[CH:32][CH:31]=1)(=[O:29])=[O:28])[CH2:22][C:23]([O:25][CH3:26])=[O:24].C(=O)([O-])[O-].[K+].[K+]>CN(C=O)C.CCOC(C)=O>[CH2:1]([O:3][C:4](=[O:20])[C:5]1[CH:10]=[CH:9][C:8]([O:11][C:12]2[CH:17]=[CH:16][CH:15]=[CH:14][N:13]=2)=[CH:7][C:6]=1[CH2:18][N:21]([CH2:22][C:23]([O:25][CH3:26])=[O:24])[S:27]([C:30]1[CH:31]=[CH:32][C:33]([CH3:34])=[CH:35][CH:36]=1)(=[O:29])=[O:28])[CH3:2]