酰化反應 的英文怎麼說
中文拼音 [huàfǎnyīng]
酰化反應
英文
acylation-
The chloromethylation of acetanilide and its derivatives in a polyformaldehyde - hc1 system gave n - substituted products as the major product
摘要?察了乙酰苯胺及其衍生物在多聚甲醛鹽酸體系下的氯甲基化反應,結果表明, n -氯甲基化反應的產物是主要產物。The advance of chiral phosphate - ester ( phosphonate - ester ) [ phosphoramides ( phosphonyl - amide ) ] in asymmetric alkylation reaction, aldol reaction, hydrogenation reaction, cyanosilylation reaction was reviewed with 48 references
討論了手性膦(磷)酰胺及膦(磷)酯酯催化劑在不對稱烷基化、不對稱縮合、不對稱氫化、不對稱氰矽化等反應中應用的最新研究進展。參考文獻48篇。Furbenicillin sodium, a known semi - synthetic ureide type of antibiotic firstly marketed in china, was synthesized from starting material 2 - furaldehyde via six steps including oximation reaction, beckmann rearrangement, isocyannuration, amination, condensation and salification etc
摘要以呋喃甲醛為起始原料,經厲化、貝克曼重排、異氰脲酸化、氨基化、縮合和成鹽6步反應,合成了酰脲類青霉素抗生素呋布西林鈉。Abstract : 1 - ( 4 - pyridinyl ) - 2 - propanone, which is the key intermediate of synthesizing the milrinone, a cardiotonic agent, was synthesized from 4 - methyl - pyridine by acetylation in dichloromethane and phase transition catalyzing hydrolysis. the overall yield was 73. 1 %
文摘:報道了以4 -甲基吡啶為原料,經酰化和相轉移催化水解反應制備強心藥物米利酮關鍵中間體1 - ( 4 -吡啶基) - 2 -丙酮的新合成方法,總收率達73 . 1 %Abstract : the studies with infrared spectra and 15no exchange experiments have proved the existence of nitrogen oxide chemisorbed on the reduced state molybdena - alumina catalyst in the form of dinitrosyl
文摘:通過對紅外光譜及同位素交換反應后的分析,證明吸附在還原態鉬鋁催化劑上的no是以雙亞硝酰基形式存在的A wide variety of natural products, e. g. alkaloids, - lactames, biotin, amino sugars has been synthesized by 1, 3 - dipolar cycloaddition reaction between nitrones and alkenes
通過硝酮與烯烴化合物的1 , 3 -偶極環加成反應合成了許多天然?物,如生物鹼、 -內酰胺、生物素、氨基糖等。Ir is often used to investigate the reaction of thermal imine because the groups of amido acid and imide possess characteristic ir spectroscopy and ir method has the merits of simpleness, convenience and speediness
由於紅外光譜法具有簡單、方便、快速等特點,酰胺酸、酰亞胺基團又有著特定的紅外吸收峰,因而成為研究熱亞胺化反應最常用的測試方法。The nitrosation of cyclohexanecarboxylic acid ( cca ) with nitrosyl sulfuric acid is an important industrial process to produce - caprolactam
摘要由環己烷羧酸與亞硝基硫酸的亞硝化反應制取己內酰胺是一個重要的工業反應過程。In this text, the developments of hydroformylation of methyl oleate and oleyl alcohol, as well as the reactions and applications of its final products were reviewed
本文綜述了對化學工業具有潛在經濟價值的油酸甲酯和油醇的氫甲酰化反應的進展,並介紹了反應產物的應用前景。Cratoneuron taihangense musci : amblystegiaceae, a new species from hebei province, china
二甲基甲酰胺二異丙基縮醛對羧酸酯化反應的研究6t preparation of nylon 6t from polyester by polymeric amidation reaction with a catalyst
催化劑催化聚酯的大分子酰胺化反應制備尼龍The amidation and esterification of different cyclic anhydrides with aniline and phenol gave different major products, and the routes were optimized
摘要研究了環酐與苯胺和苯酚的酰胺化及酯化反應,優化了酰胺化及酯化反應條件。Experimental study on enhanced deaquation process for extra - heavy crude oil using dehydrant
8烯烴氫甲酰化反應條件的研究Hydroformylation of the olefinic double bonds was n atom economic method th introduce new functional group in the oil compounds
而通過雙鍵的氫甲酰化反應引入新官能團能為油脂的化工利用提供了一條廣闊的道路。Acetylation between alcohol and benzoyl oxide was carried out using znbr2 as a lewis acid catalyst in solvent - free condition. some structures were characterized by nmr and ir
以溴化鋅為催化劑,在無溶劑條件下實現了醇與苯甲酸酐的酰化反應,部分產物經nmr和ir表徵。Abstract : aim to synthesize a new prodrug, resveratrol trinicotinate. methods in presence of lithium and a catalytic amount of naphthalene, the reaction of p - methoxybenzyl trimethylsilyl ether and 3, 5 - dimethoxylbenzaldehyde gave resveratrol after a series of translation. resveratrol trinicotinate was obtained by the reaction of resveratrol and nicotinoyl chloride hydrochloride. results a mutual prodrug resveratrol trinicotinate was designed and synthesized. conclusion a novel method for synthesis of resveratrol and resveratrol trinicotinate has been afforded. the e - isomer is selectivily obtained by dehydration of the compound 2 with khso4
文摘:目的合成一種前藥白藜蘆醇煙酸酯.方法在金屬鋰片和催化量的萘的存在下, 3 , 5 -二甲氧基苯甲醛與對甲氧基苯甲醇的三甲基硅醚反應經過一系列轉變得到白藜蘆醇,白藜蘆醇與煙酰氯反應得到白藜蘆醇煙酸酯.結果設計併合成了白藜蘆醇煙酸酯.結論提供了一種合成白藜蘆醇及白藜蘆醇煙酸酯的方法,採用khso4脫水可選擇性的得到反式產物Preparation of - carbonylesters from michael addition of p - nitrophenylsulphonylmethylbenzene and its derivatives with methylacrylate
對硝基苯磺酰甲基苯及其衍生物與甲基丙烯酸酯的加成重排羰基化反應Dimethylformamide as carbon monoxide source in photoassisted hydroesterification of olefins
二甲基甲酰胺作為一氧化碳源的烯烴氫酯化反應A recommend for basic organic chemistry experiment in university - the production of acetyl - salicylic ( aspirin ), which takes the salicylic acid and acetic oxidecon as raw material under the atmospheric pressure condition, takes the strong sulfuric acid as catalysis, through acetoxylation, heating, dialysising, filtering, heavy crystallization, the white solid product can be made finally
摘要推薦一個大學基礎有機化學實驗乙酰水楊酸(阿斯匹林)的制備,即在常壓條件下以水楊酸和乙酸酐為原料,在濃硫酸為催化劑下通過酰基化試劑酯化反應,經加熱、析濾、重結晶,最後得白色固體產品。The physicochemical characterization was made in depth using various techniques for some resin matrices of advanced composites, such as epoxy resin matrix, phenolic resin matrix and bismaleimide resin. these techniques include infrared spectroscopy ( ir ), nuclear magnetic resonance spectroscopy ( nmr ), mass spectroscopy ( ms ), liquid chromatography ( lc ), thermal analysis ( ta ) and other techniques. the composition, structure, molecular weight, reactivity, reaction temperature and other properties related to performance of resin matrix were studied
本論文採用紅外光譜、核磁共振波譜、質譜、液相色譜、熱分析等分析技術對實際使用的環氧樹脂、酚醛樹脂以及改性雙馬來酰亞胺樹脂等先進復合材料樹脂基體進行了物理化學表徵,尤其是對與樹脂基體性能密切相關的化學組成與結構、分子量、活性與反應溫度、固化度等進行了表徵;提出了樹脂基體的固化反應機理,獲得了樹脂基體的固化反應動力學參數;對改性雙馬來酰亞胺樹脂的熱分解機理進行了分析,並得到了其熱分解動力學數據。分享友人