These catalytic mechanisms of interfacial agent in some chemical reactions are micelle catalysis and phase transfer catalysis.
表面活性剂催化化学反应过程的机理有胶束催化和相转移催化。
Polyethylene glycol 600 showed good phase transfer catalytic effect; the yield after purification was above 89%.
聚乙二醇600的相转移催化作用明显,精制后产品收率在89%以上。
Polymer imidazole salt 1 is a new kind of polymer phase transfer catalyst, which has the advantages of convenience for preparation, good thermal stability, and high catalytic activity.
高分子咪唑盐1是一种新型高分子相转移催化剂,具有制备简单、稳定性好、催化活性高等特点。
Some application advances of phase transfer catalytic technology in pharmaceutical industry are described in details.
着重记述了近年来相转移催化技术在医药工业中的应用进展。
The results show that catalytic efficiency of the phase transfer catalyst BETAC is higher than TBAB, and TBAB is nearly as efficient as TEBA.
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;
A detailed introduction to the types, character, mechanism, influential factors and accomplishment method of phase transfer catalytic reaction under ultrasonic radiation re-viewed.
本文对超声波辐射下相转移催化反应的类型、特点、机理及影响反应的因素和实现方法作了评述。
The catalytic oxidation of cinnamic acid with phase transfer catalyst(PTC), quaternary ammonium salt benzyltrimethylammonium chloride is reported.
研究了季铵盐催化下高锰酸钾氧化肉桂酸的反应。
Their phase transfer catalytic ability for the reaction of N-alkylation, O-alkylation and oxidation were also determined.
测定了其对氧烷基化反应、氮烷基化反应的相转移催化作用。
Benzyl chloride and isobutylaldehyde were transformed into muguet alcohol through phase-transfer reaction and catalytic hydrogenation.
从氯化苄和异丁醛经相转移反应及催化加氢的方法得铃兰醇。
Synthesis of azone was carried out from azacycloheptan-2-one and 1-bromododecane using KOH as condensation agent and PEG-400 as phase transfer catalytic agent.
以氮杂环庚—2—酮和1—溴十二烷为原料合成氮酮,用氢氧化钾为反应缩合剂,PEG—400为相转移催化剂。
METHODS Phase-transfer catalytic methylation and suitable method of aftertreatment were used. RESULTS The yield and content was both improved.
结果:反应主要控制在单甲基化阶段,且通过适当的后处理方法,可得产物含量较高的固体纯品。
METHODS Phase-transfer catalytic methylation and suitable method of aftertreatment were used. RESULTS The yield and content was both improved.
结果:反应主要控制在单甲基化阶段,且通过适当的后处理方法,可得产物含量较高的固体纯品。
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