The structure of these adducts was proved through the reaction with 2, 4-dinitrophenylhydrazine in acidic medium, yielding the 2, 4-dinitrophenyl-hydrazone of the corresponding ketone.

这些加成物的结构是借在酸性介质中与2,4 -二硝基苯肼作用生成相应酮的2,4 -二硝基苯腙而得到证明。

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Various factors that affect the condensation are discussed. The results show that the yield of 4-Nitrophenyl Benzyl Ether is 84.9 %, and the yield of 2,4-Dinitrophenyl Ethyl Ether is 72.3 %.

考察了不同反应条件下的反应结果，结果表明，在最佳条件下对-硝基苯基苄基醚和2 ，4-二硝基苯基乙基醚的收率分别为84.9%和72 .3 %。

youdao

Various factors that affect the condensation are discussed. The results show that the yield of 4-Nitrophenyl Benzyl Ether is 84.9 %, and the yield of 2,4-Dinitrophenyl Ethyl Ether is 72.3 %.

考察了不同反应条件下的反应结果，结果表明，在最佳条件下对-硝基苯基苄基醚和2 ，4-二硝基苯基乙基醚的收率分别为84.9%和72 .3 %。

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