環丙烷環 的英文怎麼說
中文拼音 [huánbǐngwánhuán]
環丙烷環
英文
cyclopropane ring-
In this paper, glycidyl ether, which was high epoxide value and low viscosity, was synthesized from 2 - trimethylene glycol, epichlorohydrin and the normal butyl alcohol by phase transfer catalyst based on the orthogonal experiment design
摘要採用1 , 2 -丙二醇、正丁醇和環氧氯丙烷為原料,在相轉移催化劑的作用下反應,通過正交實驗合成了的高環氧值、低粘度的混合醇縮水甘油醚。In the paper the solubilities of anthracene, phenanthrene and carbazole are studied in benzene, toluene, xylene, the heavy solvent oil, clohexane, dmf, pyridine, cyclohexanone and acetone, and qualitative analysis is done by three aspects in the process of the solute dissolved the solvent : ( l ) the molecular struture and the interspace struture ; ( 2 ) reciprocity force of the intermolecule ; ( 3 ) the cohesion energy
本文考察了蒽、菲、咔唑在苯、甲苯、二甲苯、重溶劑油、環己烷、 dmf 、吡啶、環己酮和丙酮等有機溶劑中的溶解度。並從三個方面對溶劑溶解固體定性分析: ( 1 )分子結構及空間結構, ( 2 )分子之間相互作用力, ( 3 )內聚能,得到的結果與實驗得到的數據基本一致。Using bf3 - et2o as a catalyst, the title compound was synthesized from allyl alcohol and epichlorohydrin by a series reaction included addition and cyclization
烯丙醇和環氧氯丙烷在三氟化硼乙醚絡合物的催化作用下進行加成和環化反應制得標題化合物。Application of topological index of cyclo propyl paraffin in the chromatography analysis
拓撲指數法研究環丙烷類的色譜保留指數Treatment with butyllithium gave rise to cyclopropanes.
用丁基鋰處理,即得到環丙烷。A variety of cyclopropanes are thus produced in good yield.
從而以高收率得到帶各種環丙烷。A new convenient synthesis of a series of polyfluoroalkyl substituted cyclopropane derivatives was achieved by the reaction of polyfluoroalkyl iodides with diethyl allylmalonate in the presence of sodium dithionite in 45 % ~ 55 % yields
摘要以連二亞硫酸鈉為引發劑,烯丙基丙二酸二乙酯與多氟烷基碘代烷在溫和條件下反應,方便地得到一系列多氟烷基取代的環丙烷衍生物,產率45 % ~ 55 % 。Electrocatalytic oxidation of formic acid by polyaniline - poly propylene oxide
苯胺和環氧丙烷共聚物電催化氧化甲酸Starch nanoparticles ( sn ) have been prepared with w / o starch microemulsion as microreader and epichlorohydrin as cross - linking agent. the factors affecting the preparation of sn have been investigated via the characterization of tem. the results show that the size and size distribution of sn are mainly controlled by the interfacial strength of microreactor, and the interfacial strength of microreactor is chiefly influenced by w value ( the molar ratio of water / surfactant ) and concentration of starch
利用所得到的w o型澱粉微乳液作為微型反應器,以環氧氯丙烷為交聯劑制備出澱粉納米粒,並藉助透射電鏡的表徵研究了各制備因素的影響,研究結果表明:澱粉納米粒的粒徑及粒度分佈主要受微型反應器的界面強度控制,而影響界面強度的因素主要是r值(即水與表面活性劑的摩爾比值)及澱粉液濃度。Using niobic acid as catalyst, cyclohexane as dehydrant, benzyl propionate was synthesized based on propionic acid and benzyl alcohol
摘要以鈮作催化劑,環己烷為帶水劑,用丙酸和苯甲醇直接合成了丙酸芐酯。The most common epoxies are those made from the reaction of bisphenol a with epichlorohyrin
最平常的環氧由雙酚a和環氧丙烷反應而成。Study of the decolorization property of polyamine flocculants
有機絮凝劑聚環氧氯丙烷胺的脫色性能研究The electrode was found to decrease the solubility of dithizone in alkalescence solution and effectively minish the lose of deoxidize state of metal. third, a potentiometric sensor was prepared by adding copper diethyldithiocarbamate directly into the carbon paste mixture, and the electrode was found has nerst response to copper ion in solution. and in our research two pharmaceutical selective electrodes were fabricated by coating polyvinyl chloride ( pvc ) which contained electroactive material on carbon rod electrode
第二,利用- cd與環氧氯丙烷形成的交聯聚合物( - cdp ) (不溶性)包合了雙硫腙,然後將- cdp與雙硫腙包合物樹脂作為修飾劑制備了碳糊修飾電極,利用陽極溶出伏安法( asv )測定了pd ~ ( 2 + ) ,實驗發現通過包合降低了雙硫腙在堿性溶液中的溶解度並且減少了金屬還原態的流失,取得了較好的效果。Used in making fungicide in pharmaceutical industry. fluorescent agent in textile. neutralizing agent in rubber and ink. can also be used as surfactant, anti - corrosion agent and detergent etc
可用於製造a -吡咯烷酮、 n -甲基吡烷酮、聚乙烯吡烷酮和維生素b1 、環丙胺及丁酸、除草劑、植物生長劑Propylene oxide is important material of organic chemistry industry
環氧丙烷是一種重要的有機化工原料。Abstract : the title compound useful as insecticide, is synthesized from methyl 3 - ( 2 :, 2, 2trichloroethyl ) - 2, 2 - dimethylcyclopropanecarboxylate. by uniform design, the experimental condition is optimized. mathematical model is established and discussed
文摘:從3 - ( 2 , 2 , 2 -三氯乙基) - 2 , 2 -二甲基環丙烷羧酸甲酯出發制備二氯菊酸甲酯。應用均勻設計選擇反應優化條件,並對實驗數據建立數學模型,同時對模型進行分析。The diazirines are interesting, highly strained ring systems.
偶氮雜環丙烷是一類重要的、環內張力頗大的化合物。Recent advances of chiral metal catalysts for cyclopropanation are reviewed in this paper. the chiral catalysts include metal complexes with schiff base, oxazoline, porphyrin metal, bipyridine, terpyridine, carboxylate, etc
摘要總結了近年來關于環丙烷化反應中各種手性金屬催化劑的研究進展,包括席夫堿、惡唑啉、卟啉、聯吡啶及四吡啶、羧酸酯等類型的手性化合物作為配體的金屬催化劑。Nucleophilic ring opening reaction of unsymmetric aziridines and its regioselectivity
非對稱氮雜環丙烷的親核開環反應及其區域選擇性Studies on the asymmetric aziridination
不對稱氮雜環丙烷化反應的研究分享友人