[CH2:1]([NH:17][C:18]1[CH:30]=[CH:29][C:21]([C:22]([O:24][CH2:25][CH:26]2[O:28][CH2:27]2)=O)=[CH:20][CH:19]=1)[CH2:2][CH2:3][CH2:4][CH2:5][CH2:6][CH2:7][CH2:8][CH2:9][CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][CH2:15][CH3:16].[C:31]([OH:34])(=[O:33])[CH3:32].[OH2:35]>>[CH2:1]([NH:17][C:18]1[CH:19]=[CH:20][C:21]([C:22]([O:24][CH2:25][CH:26]([O:33][C:31](=[O:34])[CH3:32])[CH2:27][OH:28])=[O:35])=[CH:29][CH:30]=1)[CH2:2][CH2:3][CH2:4][CH2:5][CH2:6][CH2:7][CH2:8][CH2:9][CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][CH2:15][CH3:16]A mixture of 8.35 g of 2,3-epoxypropyl 4-(n-hexadecylamino)benzoate and 7.0 ml of acetic acid is heated at 100° C for four hours, allowed to cool, and diluted with water. Filtration affords 2-acetoxy-3-hydroxypropyl 4-(n-hexadecylamino)benzoate, mp 67° C unchanged by recrystallization.
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