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The phase transfer catalyst Q-l can be repeatedly used. 相转移催化剂可反复使用。
The synthesis of nerolin bromelia by use of various phase transfer catalysts at different conditionsis studied. 研究了利用多种相转移催化剂在不同条件下合成橙花素。
The results showed that poly( ethylene glycol) as a phase transfer catalyst can raise the conversion. 指出聚乙二醇作为相转移催化剂可增加转化率。
Polyethylene glycols can be used as effective phase transfer catalyst in halogen exchange fluorination. 聚乙二醇可作为卤素交换氟化反应有效的相转移催化剂。
The kinetic of hydrolysis of benzal chloride was studied by using a new kind of phase transfer catalyst in this paper. 研究了在新型相转移催化剂作用下苄叉二氯水解反应过程的动力学。
Vinyl benzyl alcohol was synthesized by hydrolysis of 4-chloromethyl styrene with phase transfer catalyst. 以相转移催化剂催化对氯甲基苯乙烯水解,合成了对乙烯基苯甲醇。
This paper discusses the principle with which phase transfer catalyst acts on the synthesis of paclobutrazol. 本文讨论了相转移催化剂在多效唑合成中的作用原理。
Tetrabutyl ammonium bromide is considered as the best phase transfer catalyst, with 85.7% yield. 实验结果表明：以四丁基溴化铵为相转移催化剂，氧化反应的收率可提高到85.;7%25。
The effect of the phase transfer catalysts on the synthesis of mercapto acetic acid iso -octyisster was investigated in this paper. 本文考察了相转移催化剂对合成疏基乙酸异辛酯产率的影响,并采用正交试验确定了反应的最佳操作条件。
By repeated tests, a proper amount of phase transfer catalyst in the tcr -step synthesis of paclobutrazol is fixed. 通过反复试验,确定了多效唑三步合成中相转移催化剂的最佳用量。
Polyvinyl chloride-polyethylene polyamine resin is a new polymer phase transfer catalyst. 它是一种新型的高分子相转移催化剂。
Dicyclohexyl disulfide was prepared by reaction of chlorocyclohexane and sodium disulfide using phase transfer catalyst(PTC). 采用相转移催化剂,氯代环已烷与二硫化钠溶液反应合成了二环已基二硫醚。
Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied. 以 BTEAC(苄基三乙基氯化铵 )为相转移催化剂合成了异烟酸乙酯。
With TBAB as the phase transfer catalyst,p\|nitroanisole is synthesized from p\|nitrochlor under the condition of microwave radiation. 以四丁基溴化铵(TBAB)为相转移催化剂,在微波辐射下,由对硝基氯苯合成对硝基苯甲醚。
Ethyl pyruvate was synthesized from ethyl lactate using TBHP as oxidant and TBAB as phase transfer catalyst,the purity of product was over 98 %. 以叔丁基过氧化氢(TBHP)为氧化剂,四丁基溴化铵(TBAB)为相转移催化剂,有效地将乳酸乙酯氧化合成丙酮酸乙酯,产品纯度达98%25以上。
The p-tolyl benzyl ether was synthesized by the reaction of p-cresol and benzyl chloride with phase transfer catalyst TBAB under microwave irradiation. 在相转移催化剂作用下,以氯化苄和对甲苯酚为主要原料,通过微波辐射合成对甲苯基苄基醚。
Trichloropyridine was synthesized by reacting pentachloropyridine with zinc powder in an alkaline medium in the presence of phase transfer catalyst. 以五氯吡啶和锌粉为原料,在碱性条件下用相转移催化剂催化还原合成2,3,5-三氯吡啶。
Methylene Bisthiocyanate was synthesized by dibromomethane with sodium thiocyanate in ethanol-water using compound R as phase transfer catalyst. 以二溴甲烷和硫氰酸钠为原料,乙醇-水为溶剂,化合物R为相转移催化剂合成了二硫氰基甲烷。
By using phase transfer catalyst, the yield of the preparation of cyclopropane carboxylic isopropyl ester was increased. 在环丙甲酸异丙酯的合成反应中,通过相转移催化剂提高了反应收率。
Mandelic acid and its analog can be synthesized from aromatic aldehydes and chloroform as raw material with the help of phase transfer catalyst. 以芳香醛和氯仿为原料,经相转移催化反应合成扁桃酸及其类似物。