C(OCC)(=O)C#C.[C:8]([CH:10]1[CH2:12][N:11]1[CH:13]=[CH:14][C:15](OCC)=[O:16])#[N:9]>>[C:8]([CH:10]1[CH2:12][N:11]1[CH:13]=[CH:14][CH:15]=[O:16])#[N:9]ethyl propiolate: ethyl 3-(2-cyanoaziridin-1-yl)-acrylate; oily substance, purified with a silica gel column; yield 24% of theory.
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