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- A Dawson structure heteropoly complex K10Na2H2P2 W16O60. 18H2O was prepared and used to catalyze the synthesis of adipic acid from cyclohexanone, oxidized by 30% hydrogen peroxide without any solvent or phase transfer agent. 制备了二缺位Dawson结构杂多盐K10Na2H2P2W16O60·18H2O,在无溶剂、无相转移剂的条件下,以 30%25的H2O2为氧源,催化氧化环己酮合成己二酸。
- Keywords 2;4- Dihydroxybenzophenonc;Resorcinol;Benzotrichloride;Phase transfer agent; 二羟基二苯甲酮;间苯二酚;三氯甲苯;相转移剂;
- Keywords Olefines;Phase Transfer Agent;Rhodium-Phosphine Complex Catalyst;Oxo Synthesis;Aldehyde; 烯烃;相转移剂;铑膦络合催化剂;羰基合成;醛;
- phase transfer agent 相转移剂
- MTA: Mail Transport Agent or Message Transfer Agent. 消息传输代理。
- The phase transfer catalyst Q-l can be repeatedly used. 相转移催化剂可反复使用。
- Unable to connect to the Exchange message transfer agent (MTA) service. 无法连接到Exchange邮件传输代理(MTA)服务。
- The message transfer agent (MTA) service will stop if the disk is full. 如果磁盘已满,邮件传输代理(MTA)服务将停止。
- An MTA (Message Transfer Agent) that directly connects to another MTA. 消息传输代理MTA,直接与另一个MTA相连接。
- Then,2-methyl-2-hydroxy-1-phenyl-1-pentanone was prepared by chlorination and hydrolysis with 2-methyl-1-phenyl-1-pentanone in the presence of NaOH and CCl4 as chlorinating agent and tetrabutyl ammonium bromide as the phase transfer catalyst. 最后在氢氧化钠水溶液中,以四氯化碳为氯化试剂,四丁基溴化铵作相转移催化剂,2-甲基-1-苯基-1-戊酮直接氯代和水解制得2-甲基-2-羟基-1-苯基-1-戊酮。
- Under the conditions of phase transfer catalysis and taking nitrobenzene as solvent,the halogen-exchange fluorination of 2,6-dichlorobenzaldehyde using KF as fluorination agent was studied. 研究了以硝基苯为溶剂,相转移催化剂作用下的2,6-二氯苯甲醛的卤素交换氟化反应。
- Which mail transfer agents (MTAs) support DomainKeys? 其中邮件传递代理(多边)支持domainkeys?
- 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。
- This event can occur when the message transfer agent (MTA) encounters network communication problems. 当邮件传输代理(MTA)遇到网络通信问题时,则可能发生此事件。
- If the error persists, stop and restart the message transfer agent (MTA) service. 如果此错误仍然存在,请停止并重新启动邮件传输代理(MTA)服务。
- The results show that the phase transfer catalytic action of DCAS is very strong. 结果表明,DCAS具有很好的相转移催化性能,与TBAS相当。
- A database is not connecting to the Microsoft Exchange message transfer agent (MTA). 数据库没有连接到Microsoft Exchange邮件传输代理(MTA)。
- Ten aryl chloroacetates were synthesized by liquid-liquid phase transfer catalysis. 摘要利用液-液相转移催化法合成了10种氯乙酸芳酯。
- By product design, the message transfer agent (MTA) relies on the directory service to correctly initialize. 按照产品设计,邮件传输代理(MTA)只有依赖于目录服务才能正确地初始化。