[OH:1][CH2:2][CH2:3][NH:4][C:5]1[CH:10]=[CH:9][CH:8]=[CH:7][CH:6]=1.[C:11](=[O:14])([O-])[O-].[Ca+2].Cl[CH2:17][CH:18]([OH:21])[CH2:19]Cl>O>[OH:1][CH2:2][CH2:3][N:4]([C:5]1[CH:10]=[CH:9][CH:8]=[CH:7][CH:6]=1)[CH2:17][CH:18]([OH:21])[CH2:19][N:4]([CH2:3][CH2:11][OH:14])[C:5]1[CH:10]=[CH:9][CH:8]=[CH:7][CH:6]=1The mixture consisting of 2 moles (274.4 g) of N-β-hydroxyethylaniline, 140 g of calcium carbonate and 1.2 moles (154.8 g) of 1,3-dichloro-2-propanol in 1 liter of water is heated for 6 hours under water reflux.
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