1) silicotungstic acid

硅钨酸
1.
Catalytic Synthesis of 2,2-dimethylolbutyraldehyde with Silicotungstic Acid;

硅钨酸催化合成2,2-二羟甲基丁醛
2.
Synthesis of ethyl cinnamate catalyzed by silicotungstic acid under microwave irradiation;
微波辐射硅钨酸催化合成肉桂酸乙酯
3.
Study on catalytical esterification by acticarbon adsorptive silicotungstic acid;

活性炭固载硅钨酸催化酯化反应的研究
2) 12-tungstosilicic acid

硅钨酸
1.
Catalytic synthesis of butanone glycol ketal with 12-tungstosilicic acid;

硅钨酸催化合成丁酮乙二醇缩酮
2.
Catalytic synthesis of butanone glycol ketal by 12-tungstosilicic acid/polyaniline;

硅钨酸掺杂聚苯胺催化剂催化合成丁酮乙二醇缩酮
3) tungstosilicic acid

硅钨酸
1.
Catalytic synthesis of 2-iso-propyl-1,3-dioxolane with polyaniline doped with tungstosilicic acid;
硅钨酸掺杂聚苯胺催化合成2-异丙基-1,3-二氧环戊烷
2.
The catalyst of tungstosilicic acid supported on acid activated palygorskite was prepared via adsorption through reflux and evaporation.
实验结果表明,酸化坡缕石负载硅钨酸催化合成柠檬酸三丁酯的优化反应条件为:n(柠檬酸)∶n(正丁醇)=1∶4(物质的量比),反应时间为2。
4) H_4SiW_(12)O_(40)

硅钨酸
1.
Preparation of H_4SiW_(12)O_(40) and catalytic synthesis ofisobutyraldehyde ethylene acetal;
硅钨酸的制备与异丁醛乙二醇缩醛的催化合成
2.
Catalytic synthesis of benzaldehyde glycol acetal with H_4SiW_(12)O_(40);

硅钨酸催化合成苯甲醛乙二醇缩醛
3.
Synthesis of Benzaldehyde 1,2-Propanediol Acetal Using H_4SiW_(12)O_(40)as a Catalyst;

硅钨酸催化合成苯甲醛1,2-丙二醇缩醛
5) Si-W heteropoly acid

硅钨酸
1.
The isoamyl acetate was synthesized by use of microwave radiation and catalyzed of Si-W heteropoly acid.
采用在微波辐射条件下,用硅钨酸作催化剂进行了乙酸异戊酯的合成研究,通过L934正交实验,探讨了醇酸比、催化剂的质量分数,微波的功率和微波辐射时间对合成的影响,得出合成的最佳工艺条件是:醇酸摩尔比1∶1 1、催化剂用量占投料量的5%、微波的功率350W、微波辐射时间5min;通过最佳工艺条件的重复实验证明,在该工艺条件下合成的收率达95%~96%。
2.
Usage of Si-W heteropoly acid as the catalyst for synthesis of fructone was studied in this short paper and the optimal reaction condition was determined involving 25.
5g新制的硅钨酸为催化剂,回流反应2h。
6) H4SiW6Mo6O40

硅钨钼酸
1.
A new environmentally friendly catalyst H4SiW6Mo6O40/Pan(Ⅳ) was prepared.

以H4SiW6Mo6O40(硅钨钼酸)/PAn(聚苯胺)为催化剂,通过丁酮和乙二醇反应合成了丁酮乙二醇缩酮。
2.
A new environmental friendly catalyst,H4SiW6Mo6O40/PAn was prepared and used for synthesizing n-butyraldehyde 1,2-propanediol acetal.
自制了硅钨钼酸(H4SiW6Mo6O40)/PAn(聚苯胺)催化剂。
3.
A new environmental friendly catalyst, H4SiW6Mo6O40/PAn was prepared.

通过环己酮和乙二醇为原料合成环己酮乙二醇缩酮,探讨了硅钨钼酸掺杂聚苯胺催化剂对缩酮反应的催化活性。
补充资料:硅钨酸
分子式:
分子量:
CAS号:
性质:SiO2·12WO2·xH2O 白色或略带黄色的晶体。溶于水、乙醚和乙醇。受热则溶于本身的结晶水。在600~650℃时分解。主要用作生物化学试剂。也用于颜料工业等方面。由钨酸钠溶液中加硅酸钠,再缓缓加盐酸。生成硅钨酸溶液后,以乙醚萃取而得。
分子量:
CAS号:
性质:SiO2·12WO2·xH2O 白色或略带黄色的晶体。溶于水、乙醚和乙醇。受热则溶于本身的结晶水。在600~650℃时分解。主要用作生物化学试剂。也用于颜料工业等方面。由钨酸钠溶液中加硅酸钠,再缓缓加盐酸。生成硅钨酸溶液后,以乙醚萃取而得。
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