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transfer catalytic
相关语句
  转移催化
     Study on the Phase Transfer Catalytic Epoxidation of Cyclohexene Oxidized by H_2O_2
     相转移催化H_2O_2环氧化环己烯合成环氧环己烷的研究
短句来源
     In this paper, we study the condensation of 1,4-diacetylpiperazine-2, 5-dione (2) with aldehydes (3a -n) in the presence of Solid-liquid phase transfer catalytic conditions.
     研究了在固液相转移催化条件下,1,4-二乙酰基-2,5-哌嗪二酮(2)与醛(3a—n)的缩合反应。
短句来源
     Study on Phase Transfer Catalytic Synthesis of N,N-Diethylaniline
     相转移催化合成N,N-二乙基苯胺的研究
短句来源
     Synthesis of salicylaldehyde by phase transfer catalytic Reimer-Tieman reaction
     相转移催化Reimer-Tieman反应合成水杨醛
短句来源
     PHASE TRANSFER CATALYTIC SYNTHESIS OF N,N-DIETHYLANILINE
     N,N—二乙基苯胺的相转移催化合成
短句来源
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  “transfer catalytic”译为未确定词的双语例句
     The phase transfer catalytic reaction of chloroethanol with 8-hydroxyquinoline under the condition of K_2CO_3/ PEG-600/THF is the most suitable method.
     最好的方法是用氯乙醇和8—羟基喹啉在K_2CO_3/PEC—600/THF条件下进行相转移催化反应.
短句来源
     The results of substitution reaction of n─C8H17Br with KI,(C6H5OH +KOH) shown that the dicycloheyl─dibenzo─18─ crown─6 does have superior catalytic efficiency over the dibenzo─18─crown─6. The present experimental findings demonetrate evidently the dicycloheyl─dibenzo ─ 18─ crown─6 there are morecatalytic activity in phase─transfer catalytic reaction.
     结果表明,在n-C8H17,Br与KI及(C6H5OH+KOH)的亲核取代反应中,二环已基二苯并─18─冠─6的催化效率优于二苯并─18─冠。 6。
短句来源
     Synthesis of N-Substituted Phenothiazenes by Liquid-liquid Phase Transfer Catalytic Reaction
     液—液相转移催化反应合成 N-取代吩噻嗪
短句来源
     Methods: 14 destined compounds were synthesized by copper (Ⅰ) catalysis andPhase transfer catalytic reaction and were surveyed and appraised by meens of XRC -1 microscopic meting point meter ,Abbe refractometer, FI -IR170SX spectroscopy, Finingan - MAT4510 GC/MS chromatography , and FX - 90QHNMR spectroscopy .
     方法:通过Cu(Ⅰ)催化及相转移催化反应合成十四个目标化合物,并用XRC-1显微熔点仪,Abbe’折光仪,FI-IR170SX光谱法,Finnigan-MAT4510型CC/MS色谱法,FX-90Q1HNMR光谱法对目标化合物进行检测。
短句来源
     Used various catalyst and under different conditions, the phase transfer catalytic synthesis of β naphthol ethylether was studied.
     研究了利用多种相转移催化剂在不同实验条件下合成 β-萘乙醚。
短句来源
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  相似匹配句对
     STUDIES ON REDUCTION OF CATALYTIC HYDROGEN TRANSFER
     催化氢转移还原法的研究
短句来源
     The Phase - transfer Catalytic Synthesis of N, N - Diethylaniline
     四甲基碘化铵相转移催化合成N,N-二乙基苯胺的研究
短句来源
     EECHNOLOGY TRANSFER
     山东省高新技术转移中心项目推荐
短句来源
     TECHNOLOGY TRANSFER
     国内外科技成果转让项目
短句来源
     CATALYTIC TITRATION
     催化滴定
短句来源
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  transfer catalytic
It was shown that a distribution-type kinetic model can be used to describe the mechanism of the phase-transfer catalytic aminolysis of 4-nitrophenyl acetate with potassium glycinate in chlorobenzene with 18-crown-6 as catalyst.
      
Kinetics of the Volume and Surface Reactions in the Phase-Transfer Catalytic Aminolysis of 4-Nitrophenyl Acetate
      
Synergism and antagonism phenomena in phase transfer catalytic reactions have been considered.
      
The same products are formed in the reaction of aldehyde acylals with chloroform and diethylamine in the 50% aqueous NaOH-BTEAC phase-transfer catalytic system.
      
Subsequent reaction of 7 with dichlorocarbene (generated under phase transfer catalytic conditions) produced the corresponding mono- and di-:CCl2 adducts [i.e., 8 (64% yield) and 9 (5% yield), respectively].
      
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The alkyl substituted derivatives of cyclopentadiene have been synthesized conveniently by the phase transfer catalytic reactions of cyclopentadiene with alkyl halides in the presence of potassium hydroxide and using polyoxyethylene surfactants as catalyst.The reactions were carried out under the solid-liquid two phase systems.The results showed that the ease of the reactions depended upon the reactivity of the alkyl halides.Some alkyl substituted cyclopentadienes were prepared by this method and the polyethylene...

The alkyl substituted derivatives of cyclopentadiene have been synthesized conveniently by the phase transfer catalytic reactions of cyclopentadiene with alkyl halides in the presence of potassium hydroxide and using polyoxyethylene surfactants as catalyst.The reactions were carried out under the solid-liquid two phase systems.The results showed that the ease of the reactions depended upon the reactivity of the alkyl halides.Some alkyl substituted cyclopentadienes were prepared by this method and the polyethylene glycol (PEG)-400 was used as the catalyst.

本文报导了用聚氧乙烯类表面活性剂作为相转移催化剂,以环戊二烯与卤代烷反应合成烷基取代环戊二烯的方法。反应在固-液相条件下进行,其难易程度取决于卤代垸的反应活性。以该法合成了九个烷基取代环戊二烯衍生物。

In this paper, two types of polymeric crown ethers containing B-15-C-5 were reported. The phenol-formaldehyde type was prepared by condensation-polymerization of bis(B-15-C-5) dimethyl ether with phenol and formaldehyde, and the other, acetal type, was obtained by reaction of polyvinyl alcohol with 15-formyl-B-15-C-5. Their complexing capacity and phase-transfer catalytic activity were investigated,

合成了两种新聚合物冠醚,研究了它们对钠、钾离子络合容量和催化性能.

In this paper, it is reported to use the method of phase transfer catalytic synthesis of 4"-O-Ethyldauricinc from Dauricine. This is a simple method, the reaction time is short and the reaction condition is reliable. By this method a good yield is obtained. This product plays an important role in lowering hypertension.

本文报道用相转移催化法从山豆根碱合成4”-O-乙基山豆根碱的方法。本法操作简便,反应时间短,反应条件稳定,产率尚好。本品有降压等作用。

 
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