苯基代甲苯 的英文怎麼說
中文拼音 [běnjīdàijiǎběn]
苯基代甲苯
英文
phenyltoluene-
An analysis of acidity of phenyl replacing acid and benzoic acid
苯基取代酸和取代苯甲酸的酸性強弱淺析High gade dye - acid brilliant blue 6b, dye - intermediate - 2, 4 - disulfonic benzaldeyde, 4 - chloro - 2 - amino phenol - 6 - sulfonec acid, 0 - chloro - p - nitroaniline, benzaldehyde - 0 - sodium sulphonate etc obtained prizes from state and province, its qualit are almost equal to same kinds of products made in sandoz co. of swiss, bayer and hoechst co. of germany, the new product - dimethyltin - bis iso - octhl mercaptoacetate and methyl - tri iso - octyl mercaptoacetate plastic stabilizer was developed in 1997, it has filled in the gaps in the fields of scince and technology of domestic, it passed the shandong science committee of technology appraise, the quality indexare equal or exceed the same kinds of products made in u. s. a, another new product feeding additive - d - pantothenic acid calcium salt was developed in 1996, its quality are equal to the same kinds of product made in advanced countries, annual outputs are more than 100mt
高檔染料酸性艷藍6b染料中間體2 , 4 -二磺酸笨甲醛茜素4 -氯- 2 -氨基苯酚- 6 -磺酸鄰氯對硝基苯胺脫氫硫代對甲苯胺雙磺酸等均獲國家級優秀新產品獎和省科技進步二等獎,產品質量分別達到瑞士山道士西德拜爾赫斯特等公司同類產品水平公司1997年開發的塑料穩定劑-甲基錫產品為又一填補國內空白的高新技術產品,產品當年通過省科委技術鑒定,各項質量指標分別達到或超過美國同類產品水平。Abstract : the principal development of the study on chemical conversion of nitrogroup derivatives for the toluene was summarized at first based on this review, described herewith are reaction mechanisms and effects substituents and concluded four methods about sclcctive oxidation of nitrotoluene
文摘:在這篇文章中,首先綜述了甲苯硝基衍生物研究的進展,根據這一評論詳細地說明了化學轉化機理和取代基效應,並對硝基甲苯的選擇性氧化進行了簡單評述。All data indicated that f i was a pure substance. third, using modern analytic techniques such as nucleic magnetic resonance ( nmr ), infrared spectroscopy ( ir ), ultraviolet visible absorption spectra ( uv ) and mass spectrometry ( ms ), we analyzed the basic chemical structure of f i and nominated it phthalic acid di ( 3 - methyl ) nanyl ester ( pdne ). we estimated primarily it was a novel natural compound
第三,利用核磁共振,紅外光譜,紫外分析,質譜等現代分析測試技術對分離提取物f進行結構鑒定,解析出f的結構,初步推斷該物質為鄰苯二甲酸- ( 3 -甲基)壬酯( pdne ) ,根據目前所掌握的資料,還沒有檢索到該物質相關的報道,初步認定為一種新型的天然產物。Blood. determination of cholinesterase activity. spectrophotometric method - acetylthiocholine and dithio - bis - nitrobenzoic acid method
全血膽堿酯酶活性的分光光度測定方法.硫代乙酰膽堿-聯硫代雙硝基苯甲酸法Blood - determination of cholinesterase activity - spectrophotometric method - acetylthiocholine and dithio - bis - ( nitrobenzoic acid ) method
全血膽堿酯酶活性的分光光度測定方法硫代乙酰膽堿-聯硫代雙硝基苯甲酸法Hexamethylene diisocyanate (hmdi) may be used in prepolymer, in place of tdi.
六亞甲基二異氰酸酯(HMDI)可用在預聚物中代替甲苯二異氰酸酯TDI。In the case of the unsaturated alcohols, such as hydroxyethyl acrylate ( hea ), the paes showed the photo - alignment property to the nematic liquid crystals with the pretilt angle of 0. 60 ? secondly, three kinds of fluoro - containing diamine monomers were prepared via the reduction reactions of the corresponding dinitro compounds, which were synthesized via the nitro nucleophilic displacement reactions of 3, 5 - dinitro - 5 - trifluoromethyl benzene with diphenol compounds
此外,本論文還設計並通過3 , 5 -二硝基三氟甲苯與二酚化合物的硝基親核取代反應制備了二硝基化合物,將其還原最終合成了三種間位取代的含氟二胺單體tfpda 、 tfbpda與tfmda ,並對其聚合行為進行了研究。Furthermore, its response changed little even after the sensor was soaked in water for 30 min. four kinds of multi - layers nanocomposite humidity sensitive films, including sodium polystyrenesulfonate / poly ( diallyldimethylammonium chloride ) ( napss / pdda ), sodium polystyrenesulfonate / poly4 - vinylpyridine quaternized with butyl bromide ( nbubr - p4vp ), sodium polysryrenesulfonate / zinc oxide ( napss / zno ) and sodium poly ( acrylic acid ) / zinc oxide ( paana / zno ), have been prepared by means of self - assembly
用靜電吸引自組裝法制備了聚苯乙烯磺酸鈉( napss )聚二烯丙基二甲基氯化銨( pdda ) 、 napss溴代正丁烷季胺化聚4 -乙烯吡啶( nbubrp4vp ) 、聚苯乙浙江大學碩士學位論文摘要烯磷酸鈉則apss們化鋅面ox聚丙烯酸鈉p句zno四個體系的自組裝納米復合濕敏膜及濕敏元件。Study of synthesis and properties of poly m - methyl substituted phthalazinone ether s
二甲基取代雜環聯苯聚芳醚的合成與性能Synthesis and characterization of tetraacetyl glucosyl es - ters of substituted phenylfuroic acid
取代苯基呋喃甲酸四乙酰葡萄糖酯的合成和表徵A novel synthetic method of 4 - chloro - 1, 2 - bimethyl - benzene by high selective chlorination reaction
二甲基苯的高選擇氯代合成新方法Amino - 5 - fluorobenzoic acid
氟代甲基苯酸Three electrosynthesis methods of benzaldehyde and its derivatives are introduced in this paper, i. e., anodic oxidation of propenyl, hydroxyl and methyl of benzene rings, cathodic reduction of carboxyl of benzene rings, anodic substitution of methyl of benzene rings
摘要本文介紹了苯甲醛系列化合物的三種電合成方法:苯環上丙烯基、羥基和甲基的陽極氧化,苯環上羧基的陰極還原,苯環上甲基的陽極取代。Mirtazapine was prepared by a seven - step reaction, namely nucleophilic ring - opening reaction, chlorination, cyclization, uncleophilic substitution, hydrolysis, reduction and cyclization from styrene oxide and n - methylethanolamine as the starting materials, with overall yield of 22. 6 %
摘要以環氧苯乙烯和n -甲基乙醇胺為起始原料,經親核開環、氯代和環合反應得到中間體1 -甲基3 -苯基哌嗪。Hexamethylene diisocyanate ( hmdi ) may be used in prepolymer, in place of tdi
六亞甲基二異氰酸酯( hmdi )可用在預聚物中代替甲苯二異氰酸酯tdi 。Ih ped one, a nove1 mo1ecuar probe onolecuar beason ( mb ) was developed to establish a stwle and precise method for the quanitative analysis of gentic materials such as ing1 inrn from differen cells and rna fonn tobacco mosaic virus. the milization method for mb was studied for the fabrication of dna biosensor and dna chip. ih pall two, a series of inunobilization method such as sol - gel method and ligh polererization method were investigaed for the otilization of bio - molecues and fluorescence dye
本論文各章內容可歸納如下:第一章,根據抑癌基因ing1基因的序列設計併合成了檢測ing1轉錄產物的分子信標( 5 ' - - tamra - c6 - nh - cgttgatggttccacttctcgtgcgttcaacg - dabcyl - 3 ' ) ,其中tamra代表四甲基羅丹明,為熒光基團, dabcyl代表4 - (對二甲氨基偶氮苯)苯甲酸,為熒光熄滅基團。We have now found that if the reaction is carried out in presence of a hydrocarbon which boils above 100 c, for example toluene, then much or all of the excess of the expensive diethyl carbonate can be replaced by the hydrocarbon
我們現在發現如果反應在一種沸點在一百攝氏度以上的碳氫化合物中,例如甲苯中進行,那麼大部分或者全部的過量的昂貴的二乙基碳酸酯就可以被碳氫化合物所取代。The novel title compound was synthesized with benzaldehyde, isobutyraldehyde, phosphorus trichloride as raw materials. the total yield was 40. 8 %. the structure was confirmed by 1h nmr, 31p nmr and elemental analysis
摘要以苯甲醛、異丁醛、三氯化磷為原料合成了新型的1 , 3 , 2 -氧磷雜環類化合物2 -苯羥甲基5 , 5 -二甲基4 -苯基2 -氧代1 , 3 , 2 -二氧磷雜環己烷,總收率為40 . 8 % ,並對其進行了nmr研究和結構表徵。Dual _ - _ stavebn _ firma, _ s _ r _ o prov d me rekonstrukce dom ? a byt ?, sanace a vysou ? en staveb, vodoinstalat rsk, elektromont ? n a z me ? nick pr ce
鹽城百瑞特精化有限公司生產海因系列產品,亞氯酸鈉、雙乙酸鈉、 5 , 5 -二甲基海因、溴氯海因、二溴海因、二氯海因、三氯苯噠唑、二溴丙酸,二氧化氯,二溴代異丁酸。分享友人