lithium bromide in N,N-dimethyl-formamide Ambient temperatureelectrolysis: Pt as working el., Ag/Ag(+) in CH3CN as reference el.; Yield given. Further byproducts given. Yields of byproduct given;

pyridine; sodium bromide 1.) DMF, electrolysis: Pt as working el., Ag/Ag(+) in CH3CN as reference el., room temp., 2.) room temp.; Yield given. Multistep reaction. Yields of byproduct given;

pyridine; lithium hydride 1.) DMF, room temp., 2.) room temp.; Yield given. Multistep reaction. Further byproducts given. Yields of byproduct given;

pyridine; sodium hydride 1.) DMF, room temp., 2.) room temp.; Yield given. Multistep reaction. Further byproducts given. Yields of byproduct given;

pyridine; lithium bromide 1.) DMF, electrolysis: Pt as working el., Ag/Ag(+) in CH3CN as reference el., room temp., 2.) room temp.; Yield given. Multistep reaction. Further byproducts given. Yields of byproduct given;