With ethyl alcohol as solvent and sodium iodide as catalyst, 1,4-dibutoxybenzene was synthesized from metal sodium, hydroquinone and n-butyl bromide.
以乙醇为溶剂，碘化钠为催化剂，由金属钠、对苯二酚和溴丁烷合成了1 ，4 -二丁氧基苯。
2
As to metal halide torch with gallium iodide is special rise 403nm and 417nm wave crest, and the highest wave crest 417nm has conspicuousness and good effect to exposal Diazo material.