反应条件
1: sodium (1S,2S)-2-vinyl-1-carbamoylcyclopropanecarboxylate With hypochlorous acid in tetrahydrofuran; water T=0 - 60°C; 3 h; 2: di-tert-butyl dicarbonate in tetrahydrofuran; water T=26°C; 3 h; 3: With hydrogenchloride in tetrahydrofuran; water pH=3;
