1: 2-chloro-1-methyl-1H-imidazole With n-butyllithium in tetrahydrofuran; cyclohexane T=-78°C; 1.16667 h; 2: carbon dioxide in tetrahydrofuran; cyclohexane T=-78 - 20°C; 0.25 h; 3: With hydrogenchloride; sodium hydroxide more than 3 stages;

1: With n-butyllithium in tetrahydrofuran; hexane T=-78 - 20°C; 2: With ammonium chloride in tetrahydrofuran; hexane; water