[OH:1][CH:2]([CH2:9][OH:10])[CH2:3][NH:4][C:5](=[O:8])[CH2:6][Cl:7].[CH2:11]([O:14][CH:15](OCC=C)OCC=C)[CH:12]=[CH2:13].[Cl-].[NH4+]>ClC(Cl)C>[CH2:11]([O:14][CH:15]1[O:1][CH:2]([CH2:3][NH:4][C:5](=[O:8])[CH2:6][Cl:7])[CH2:9][O:10]1)[CH:12]=[CH2:13]Six and seven-tenths g (0.04 mole) of N-(2,3-dihydroxypropyl)chloroacetamide, 7.3 g (0.04 mole) of triallylorthoformate, 0.2 g of ammonium chloride, and 50 ml of dichloroethane were combined in a reaction flask and distilled to a head temperature of 82° C. The distillate was cooled to room temperature, stirred with potassium carbonate and filtered over Florisil. The filtrate was evaporated to yield 3.2 g of 2-allyloxy-4-(chloroacetylamino)methyl-1,3-dioxolane, a yellow oil. Structure was confirmed by NMR. nD30 =1.4888.
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