乙基

N,N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.

以苯胺和溴乙烷为原料,用四乙氢氧铵作相转移催剂,在常压下合成N,N二乙苯胺。

The major components were Triphenylmethane, Phytol, n-Hexadecanoic acid, Phenol, 2,4,6-tris (1,1-dimethylethyl).And etc.

其主要成分是三苯-甲烷、叶绿醇、正十六碳酸、2,4,6-三（1,1-二甲乙）-苯酚等，这为进一步开发利用蒌蒿提供了科学依据。

The content of ethoxyl group in obtained product was 43.98%.

该法所得乙产品的乙氧含量为43.98%。

Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.

以碳酸二乙酯(DEC)为乙试剂,与苯酚在气固相条件下催合成苯乙醚。

The solvent effect on the synthesis of diethylaluminum azide(DEAA) from diethylaluminum chloride(DECA) and sodium azide(NaN3) is discussed.

以二乙铝（DECA）和叠氮钠为原料合成二乙叠氮铝（DEAA）时，反应介质的溶剂性质不同，产物及其收率也不同。

Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.

以BTEAC(苄三乙铵)为相转移催剂合成了异烟酸乙酯。

Tetraethyl thiuram disulfide was synthesized one step from diethylamine and carbon bisulfide with hydrogen peroxide(27.5%) as oxidant.

以二乙胺和二硫碳为原料,经双氧水(275%)氧,一步合成了四乙秋兰姆二硫。

N,N-diethylaniline was synthesized from aniline with bromoethane using tetraethylammonium chloride as phase transfer catalyst under atmospheric presure.

用四乙胺作相转移催剂可在常压下由苯胺和溴乙烷合成N,N-二乙苯胺。

Activated carbon as the sorbent and catalyst support was capsulated with ethyl cellulose by phase separation methods.

摘要对兼具吸附和催剂载体功能的多孔结构活性炭，以乙为材料用相分离进行包覆。

Objective:To study the preventive effect of Matrine(MT) and Oxymatrime(OMT)on rat hepatoma induced by diethylnitrosamine(DEN).

研究苦参碱(MT)和氧苦参碱(OMT)分别对二乙亚硝胺(DEN)诱发大鼠肝癌的预防阻断作用。

The p-fluorophenoxy propionic acid was synthesized by p-fluorophenol and 3-chloropropanoic acid as row materials and transfer catalyzed by TEBA.

以对氟苯酚和3-丙酸为起始原料,用苄三乙铵作为催剂,经过相转移催合成对氟苯氧丙酸。

By means of cyanoethylation and chlorination,wood sawdust was converted into thermoplastic material and then compounded with short sisal fibers.

通过氰乙反应,使木粉转成为热塑性材料,再与短切剑麻混合,热压制得植物增强塑植物复合材料。

Two kinds of bis-hydroxyalkyl or bis-methyl formylate subtituted bis-ethylenedithio-tetrathiafulvalenes (BEDT-TTF) and their charger-transfer complexes (CT-complexes ) with TCNQ were synthesized.

合成了带双羟烷及双甲酸甲酯取代的两种双二硫代亚乙四硫代富瓦烯(BEDT-TTF)的衍生物及其它们与TCNQ的CT-络合物。

The mixture was refined by sodium sulfide and sodium hydroxide to afford an O,O-diethyl thiophosphoryl chloride at a purity of 99%.

该粗品通过精制工艺的改进,采用硫钠和氢氧钠的混合物进行处理,得到纯度≥99%的O,O-二乙硫代磷酰。

Trimethylaluminum(TMA),usually used in organic catalysis and organic synthesis,was synthesized by reaction of triethylaluminium (TEA) with methyl bromide on iron-stibonium complex catalyst.

用新的催体系(铁-锑复合催剂)催三乙铝(TEA)与溴甲烷进行烷交换反应合成三甲铝(TMA)。

Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.

采用与过量的乙烷及氢氧钠反应,以甲苯为稀释剂,用一步法成功地合成了乙。

Etodolac was synthesized with 7-ethyltryptophol and methyl 3-oxopentanoate as the starting materials.Highly pure etodolac was obtained by purifying the crude product with a mixing solvent.

以7-乙色醇和3-氧代戊酸甲酯为起始原料,以甲醇为溶剂,合成了依托度酸.采用混合溶剂对粗品进行精制,得到了高纯度的依托度酸.

The paper studied the preparation of bromine from basic Magnesium bromide in the production of maltol and ethyl maltol, the synthesis of bromethyl from bromine, sulfur and alcothol.

研究了以麦芽酚、乙麦芽酚生产中的碱式溴镁废渣为原料制取溴;以溴、硫和乙醇合成溴乙烷的方法。

This paper studied the new synthetic technology of taurin (2- aminoethanesulforic acid).It was synthe sized by the reaction of monoethanol amine sulfate with sodium sulfrous in yield of 85%.

研究了牛磺酸（2-氨乙磺酸）合成的新工艺：用氨乙醇硫酸酯与亚硫酸钠溶液反应制备，收率达85％。

Dimethyl phenylethyl carbinyl acetate (DPCA ) was synthesized by using a new catalyst. This technology decreases the pollution and can also be used in synthesis of other carbinyl acetates perfume.

用一种新型催剂合成乙酸二甲苯乙原酯(DPCA),并简了合成工艺,减少了生产过程中产生的三废,因而投入生产已具备了必要条件。这种新型催剂可用于其它原酯类香料的合成。