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。
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.
研究了由二丙二醇单烯丙基醚制得的不饱和聚酯树脂的风干性能。
The air drying property of unsaturated polyester resin prepared from dipropylene glycol monoallyl ether was studied.
对于硫醯亚胺与矽基酮的自由基反应,则是得到低产率的简单环化产物,而不是预期的烯醇矽醚化合物。
In another direction, the radical cyclization of thioimide with acylsilane produced simple cyclization product in low yield without expected enol silyl ether compound.
研究了苯磺酸型树脂催化的异戊烯和甲醇的醚化,考查了温度、醇烯比和空速对反应的影响。
The etherification of isoamylenes and methanol to form tert all methyl ether (TAME) by benz-sulfonic acid cation exchange resin as catalyst, was studied.
用一缩二丙二醇单烯丙基醚所制备的不饱和聚酯树脂的气干性能,并对有关影响因素作了研究。
The air drying property of unsaturated polyester resin prepared from dipropylene glycol monoallyl ether was studied, the related influential effects were discussed.
报道了钨锗酸对醇脱水成醚或成烯的催化反应。
Tungstogermanic acid as a catalyst for dehydration of alcohol to form ether or alkene is reported.
本文在实验室条件下分别以JSH-01、JSH-02树脂为催化剂摸索出醇烯法合成异丙醚的适宜反应条件。
Through experiments, the optimal conditions of reaction using JSH-01 and JSH-02 resin catalysts were gained, respectively.
此外,采用一锅煮的方法,从烯醇硅醚出发,经过环丙化反应、酯化反应,以较好的产率合成了环丙基酯。
Moreover, we adopted an one - pot route combining the cyclopropanation and esterification of enoxysilane to prepare the cyclopropyl esters in moderate to good…
此外,采用一锅煮的方法,从烯醇硅醚出发,经过环丙化反应、酯化反应,以较好的产率合成了环丙基酯。
Moreover, we adopted an one - pot route combining the cyclopropanation and esterification of enoxysilane to prepare the cyclopropyl esters in moderate to good…
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