Cl[CH2:2][CH2:3][O:4][C:5]1[CH:10]=[CH:9][CH:8]=[CH:7][C:6]=1[CH:11]=[CH:12][C:13]1[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=1.[CH3:19][NH:20][CH3:21].Cl>>[CH3:19][N:20]([CH3:21])[CH2:2][CH2:3][O:4][C:5]1[CH:10]=[CH:9][CH:8]=[CH:7][C:6]=1[CH:11]=[CH:12][C:13]1[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=12-(β-Dimethylamino-ethoxy)-stilbene was prepared from 2-(β-chloro-ethoxy)-stilbene and dimethylamine, and the free base was converted into its hydrochloride, yielding 45% of theory of the compound of the formula ##STR14## which had a melting point of 199° C.
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