1) Silicon dioxide Supported on Phosphotungstic acid
SiO2负载磷钨酸
2) supported phosphotungstic acid
负载磷钨酸
1.
A series of trimethylolhexane triheptyl esters were synthesized from trimethylolhexane with special kinds of supported phosphotungstic acid catalyst.
以自制三羟甲基己烷为原料 ,采用自制的负载磷钨酸催化剂催化合成一系列三羟甲基己烷脂肪酸酯。
2.
The diesterification reaction happened with supported phosphotungstic acid by titania(PW12/TiO2) as catalyst.
此化合物的合成由两步酯化以及一步磺化反应组成,双酯化反应采用TiO2负载磷钨酸(PW12/TiO2)为催化剂。
4) phosphotungstic acid supported on MCM-41 molecular sieve
MCM-41负载磷钨酸
1.
Pheny lacetaldehyde ethylene glycol acetal was synthesized with phenylacetaldehyde and ethylene glycol as raw materials in the presence of phosphotungstic acid supported on MCM-41 molecular sieve.
以MCM-41负载磷钨酸作催化剂,对以苯乙醛和乙二醇为原料合成苯乙醛乙二醇缩醛的反应条件进行了研究。
5) activated carbon supported phosphotungstic acid
活性炭负载磷钨酸
1.
Synthesis of fructone catalyzed by activated carbon supported phosphotungstic acid;
活性炭负载磷钨酸催化合成苹果酯
2.
The synthesis of 1,2-ethanediol bischloroacetate catalyzed by activated carbon supported phosphotungstic acid was studied.
以氯乙酸、乙二醇为原料,活性炭负载磷钨酸为催化剂合成了氯乙酸乙二醇双酯,并根据酸醇摩尔比、催化剂用量、反应时间及带水剂苯加入量等条件对反应的影响,确定了最佳反应条件。
3.
Synthetic method of cyclohexanone Ethylene Glycol Ketal was investigated using activated carbon supported phosphotungstic acid.
研究了活性炭负载磷钨酸催化合成环己酮缩乙二醇的反应 ,考察了催化剂负载量、反应时间、酮醇物质的量比、反应温度等因素对缩酮反应的影响 。
6) Phosphotungstic Acid Supported on Active Carbon
活性炭负载磷钨酸
1.
Catalytic synthesis of alkyl bromides with phosphotungstic acid supported on active carbon(HPW/C);
活性炭负载磷钨酸催化合成烷基溴
2.
Five short-chain pentaerythritol diacetals(3a~3e) were synthesized by condensation reaction of pentaerythritol with short-chain aldehydes using phosphotungstic acid supported on active carbon as the catalyst under microwave irradiation.
以活性炭负载磷钨酸为催化剂,用微波辐射法合成了5种短链季戊四醇双缩醛(3a~3 e),其中季戊四醇双缩丙醛(3b)未见文献报道。
3.
Cyclohexene was synthesised by dehydration of cyclohexanol using phosphotungstic acid supported on active carbon as catalyst.
以活性炭负载磷钨酸作催化剂,对环己醇脱水制备环己烯的反应进行研究。
补充资料:磷钨酸
分子式:
分子量:
CAS号:
性质:H3PO4·12WO3·xH2O 白色或略带黄绿色的晶体。易潮解。在酸溶液中稳定,与碱共沸时分解为磷酸盐和钨酸盐。含水量一般是在9~17分子之间。主要用作生物化学试剂,也用于制颜料等。由钨酸钠溶液中加磷酸和盐酸酸化后,以乙醚萃取而得。
分子量:
CAS号:
性质:H3PO4·12WO3·xH2O 白色或略带黄绿色的晶体。易潮解。在酸溶液中稳定,与碱共沸时分解为磷酸盐和钨酸盐。含水量一般是在9~17分子之间。主要用作生物化学试剂,也用于制颜料等。由钨酸钠溶液中加磷酸和盐酸酸化后,以乙醚萃取而得。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条