研究了水溶性铑膦络合催化剂两相催化1 -己烯氢甲酰化反应。
The use of the water-soluble Rh-phosphine complexes for catalytic hydroformylation of 1-hexene in two-phase system was studied.
对于水溶性差的高碳烯烃,其氢甲酰化反应速度远远低于低碳烯烃。
For higher olefin that has poor solubility in water, the hydroformylation reaction rate is much less than short-chain alkenes.
在催化烯烃氢甲酰化反应时,观察到烯烃与膦配体之间有一定的链长匹配效应;
The catalytic systems containing the surface-active phosphine show a clear matching relation between the length of olefin chain and hydrophobic chain of the surface-active phosphine.
溶剂也有显著影响,溶剂甲苯的结果最好。还考察了几种官能团烯烃的氢甲酰化反应。
Hydroformylation of olefins with different functional groups as Well as the effect of Solvent are also investigated.
并考察了HZ - 1沸石交换次数等制备条件和催化剂用量对甲苯的苯甲酰化反应的影响。
The effects of the catalyst dosage and the preparation conditions of HZ-1 zeolite, for example, number of exchange times on the benzoylation of toluene were studied.
本文综述了对化学工业具有潜在经济价值的油酸甲酯和油醇的氢甲酰化反应的进展,并介绍了反应产物的应用前景。
In this text, the developments of hydroformylation of methyl oleate and oleyl alcohol, as well as the reactions and applications of its final products were reviewed.
方法采用对硝基苯胺为原料,经还原、加保护基、甲酰化、氯化、环合、脱保护基六步反应法可进行化学合成。
Methods Apraclonidine was synthesized from P-Nitraniline by reaction with reduction, adding protection group, formylation, chlorination, cyclization, off-protecting group.
以苯甲酰氯为原料,经酰化,还原,环合等反应合成左旋西替利嗪盐酸盐,反应总收率为8。05%。
Levocetirizine dihydrochloride was prepared from benzoyl chloride by acids lation hydrogenation cyclization with an overall yield of8.05%.
以苯甲酰氯为原料,经酰化,还原,环合等反应合成左旋西替利嗪盐酸盐,反应总收率为8.05%。
Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation, hydrogenation, cyclization with an overall yield of 8.05%.
同时对反应过程中的甲酰化、环合方法、反应时间进行了探讨,优化了反应条件,提高了产率,并对化合物的荧光光谱进行了分析。
Also the optimum reaction conditions including formylation, method and reaction time of cyclization were studied to enhance the yield. In the end, their fluorescence spectrum are analyzed.
通过对(-)-表儿茶素的苯甲酰化物的分析,研究了单宁的苯甲酰化位置与次序,从而比较合理地说明了与异氰酸酯反应的羟基的位置。
The position and sequence of benzoylation in tannin were studied by the analysis of benzoylated (-) epicatechin derivatives. The position of hydroxyl groups which react with isocya…
最后,研究了叔辛胺和环氧氯丙烷反应得到的1-叔辛基-3-羟基氮杂环丁烷盐酸盐的甲磺酰化和硝化的反应性。
At Iast, the possibility of the 1-tert-octyl-3-hydroxyl azetidine's hydrochloric salt methyl-sulfuric-acyl reaction and nitration reaction is studied.
最后,研究了叔辛胺和环氧氯丙烷反应得到的1-叔辛基-3-羟基氮杂环丁烷盐酸盐的甲磺酰化和硝化的反应性。
At Iast, the possibility of the 1-tert-octyl-3-hydroxyl azetidine's hydrochloric salt methyl-sulfuric-acyl reaction and nitration reaction is studied.
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