本实验采用氢溴酸法，用浓硫酸作催化剂，以正辛醇、工业废氢溴酸(48%)及浓硫酸为原料，合成1 -溴代正辛烷。

N-octyl bromide was synthesized by hydrobromic method in which took n-octanol and industrial waste hydrobromic acid (48%) as materials, concentrated sulfuric acid as a catalyst.

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以正辛醇为原料，合成1-溴辛烷，并将1-溴辛烷与对羟基苯甲酸甲酯反应，然后水解，得到了4 -辛氧基苯甲酸。

1-bromooctane was manufactured by n -octanol as material, and reacted with methyl o -hydroxybenzoate, the 4-octanoxy benzoic acid was obtained.

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