1: 2,5-dibromo-pyridine With n-butyllithium in diethyl ether; hexane T=-78°C; 0.833333 h; 2: N-methoxy-N-methyl-2,4-dichlorobenzamide in diethyl ether; hexane T=-78°C; 1.16667 h; 3: With ammonium chloride in diethyl ether; hexane; water T=-10 - 25°C; Product distribution / selectivity;

1: 2,5-dibromo-pyridine With n-butyllithium in hexane; toluene T=-78°C; 2.5 h; 2: N-methoxy-N-methyl-2,4-dichlorobenzamide in hexane; toluene T=-78°C; 1 h; 3: With ammonium chloride in hexane; water; toluene T=-10 - 25°C; Product distribution / selectivity;