实验结果表明:本体系中相转移催化剂的催化效率是苄基三乙基氯化铵大于四丁基溴化铵和四乙基溴化铵;
The results show that catalytic efficiency of the phase transfer catalyst BETAC is higher than TBAB, and TBAB is nearly as efficient as TEBA.
在DMF-四乙基溴化铵(TEAB)质子惰性介质中,马蔺子素连续两步单电子还原生成相应氢醌阴离子,无中间体半醌自由基的化学反应发生。
In DMF tetraethyl ammonium bromide(TEAB) media, the reduction of irisquinone was two successive single electron processes without the chemical reaction of the free radical semiquinone.
四丁基溴化铵和四乙基溴化铵的催化效率相当;采用2克相转移催化剂的催化效率大于采用4克催化剂的催化效率;壬二酸的产率随高锰酸钾用量的增加而增加。
The effects of 2 g PTCs used are better than those of 4 g PTCs, and the yield of azelaic acid is raised as the amount of potassium permanganate increases.
四丁基溴化铵和四乙基溴化铵的催化效率相当;采用2克相转移催化剂的催化效率大于采用4克催化剂的催化效率;壬二酸的产率随高锰酸钾用量的增加而增加。
The effects of 2 g PTCs used are better than those of 4 g PTCs, and the yield of azelaic acid is raised as the amount of potassium permanganate increases.
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