等:硅钨酸催化合成缩醛(酮)_电子资料文库 关键词:硅钨酸;缩醛;缩酮;催化 [gap=6237]Key words:silicotungstic acid;acetal;ketal;catalysis
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Benzil Dimethyl Ketal 安息香双甲醚
vinyl ketal polymers 乙烯基缩醛聚体
ethylene ketal 亚乙基缩酮
amber ketal 琥珀缩醛
ketal formation 酮缩醇的形成
cyclic ketal 环状缩酮
Acetone ketal of glycerine 丙酮缩甘油
Benzophenone dimethyl ketal 苯甲酮二甲基乙缩醛
Toluene is used as azeotrope in the preparation of ketal.
缩酮制备时，采用甲苯为共沸剂；
Cyclopentanone ethylene ketal was synthesized with I_2 as catalyst.
以单质碘为催化剂合成了环戊酮乙二缩酮。
The invention relates to garland chrysanthemum extract compounds, and a synthesis method and application thereof. The compounds have enol ether-spiro ketal-acetals and unsaturated side chains.
本发明茼蒿素类化合物及其合成方法与应用，该化合物具有烯醇醚-螺环缩酮-缩醛和不饱和侧链。
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