Reaction of Dianion 8 with 4 To Form 7 and Enol 10.
反应形成酸根84710和醇.
Reaction of Dianion 8 with 4 To Form 7 and Enol 10.
反应形成酸根84710和醇.
Dihydrocodeinone enol acetate;
its salts 二可待因醇乙酸酯;
its salts 二可待因醇乙酸酯;
Dihydrocodeinone enol acetate;
Keto-enol tautomerizing of ethyl acetoacetate was studied by UV.It was conformed that the content of enol ethyl acetoacetate decreased with the increasing polarity of solvents.
本文以紫外光谱为手段研究乙酰乙酸乙酯-醇式互变异构现象;所得结果证实其醇式含量随溶剂极性增加而减少。
Keto-enol tautomerism is the most common tautomery phenomenon.Keto -enol themselves are the real chemical substance.
及醇互变是互变作用最普通现象,它们都是真实化学实体。
In this thesis, the reaction of aldehydes with dimethyl -- dichlorosilane producingdimethylsilyl bis -- enol ethers has been studied.
本文对醛和二甲基二氯硅烷反应合成二甲硅基双醇醚进行了研究。
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