1.In this thesis, the reaction of aldehydes with dimethyl -- dichlorosilane producingdimethylsilyl bis -- enol ethers has been studied.

1.本文对醛和二甲基二氯硅烷成二甲硅基双烯醚进行了研究。

2.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.

2.本文以外光谱为手段研究乙酰乙酸乙酯的酮-烯变异构现象;所得结果证实其烯含量随溶剂极性的增加而减少。