苯酰化的 的英文怎麼說
中文拼音 [běnhuàde]
苯酰化的
英文
benzoylated
-
酰 :
名詞[化學] (酰基) acyl
-
的 :
4次方是 The fourth power of 2 is direction
-
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。
-
This product had strong property of separation and recovery of organic dissolvent and vapour, such as ether, ketone, alcohol, thf, dichlorotetra, chlorolform, narkosid, carbon disulfide disulphide, carbon, benzol, gasoline oil, etc
對醚類、酮類、醇類、四氫呋喃、二氯四烷、三氯甲烷、三氯乙烯、二硫
化碳、
苯、甲
苯、甲
酰、汽油及含汞、含氟烴類有機溶劑和有機蒸氣有很強
的分離、回收性能。
-
Initiation is caused by radicals produced from azobisisobutyronitrile, benzoyl peroxide or perester decomposition.
鏈引發是由偶氮二異丁腈,過氧
化苯甲
酰或過氧酯分解生成
的自由基所引起。
-
Methods of determination for benzoyl peroxide in wheat flour
小麥粉中過氧
化苯甲
酰的測定方法
-
Preparation and ageing of column for determination of benzoyl peroxide
測定過氧
化苯甲
酰所需色譜柱
的制備及老
化方法研究
-
The preparation method of methyl 1 - naphthylacetate catalyzed by sulphuric acid, hydrochloric acid, chlorosulfonic acid, p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, stannic chloride pentahydrate, aluminium chloride, ferric sulfate, aluminium sulfate, titanium sulfate, sodium bisulfate monohydrate, solid super acid, heterpoly acid, support heterpoly acid, composite titanate and p - toluene sulfo - chloride etc. catalyst were reviewed
摘要評述了硫酸、鹽酸、氯磺酸、對甲
苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水三氯
化鐵、五水四氯
化錫、三氯
化鋁、硫酸鐵、硫酸鋁、硫酸鈦、一水硫酸氫鈉、固體超強酸、雜多酸、固載雜多酸、復合鈦酸酯和對甲
苯磺
酰氯等催
化劑催
化合成1 -萘乙酸甲酯
的方法。
-
Phenols and anilides can be nitrated with very dilute nitric acid.
酚類和
酰基
苯胺能被極稀
的硝酸硝
化。
-
Tao feng changzhou chemical company located in the jiangsu international plastics city, is in changzhou city, the river additives ltd. and jurong city tao reagent production plant product sales window, the major products : toluene, pure benzene, xylene, n - octanol, ethyl acetate, acetic acid small fat, silicone oil, aniline, poly - succinimide, benzene triazole derivatives, isopropanolamine, ethanolamine, alkylation two aniline, scale inhibitor, promoting agents, antioxidants, ppd, defoamer, metal deactivator, hx - 3308 scale and corrosion inhibitor, hx03 - 12 diesel flow improver, parathion octyl - zinc chloride bridge acid, chlorine bridge anhydride, chlorobenzene, double - dicyclopentadiene, norbornene anhydride
常州濤峰
化工有限公司座落在江蘇國際塑
化城,是常州市夏溪助劑有限公司和句容市龍濤試劑廠生產
的產品
的銷售窗口,主要經營產品:甲
苯、純
苯、二甲
苯、辛醇、乙酸乙脂、乙酸丁脂、硅油、二
苯胺、雙聚丁二
酰亞胺、
苯三唑衍生物、異丙醇胺、乙醇胺、烷基二
苯胺、防垢劑、促進劑、抗氧劑、降凝劑、消泡劑、金屬鈍
化劑、 hx - 3308阻垢緩蝕劑、 hx03 - 12柴油流動改進劑、硫磷丁辛基鋅鹽、氯橋酸、氯橋酸酐、氯
苯、雙聚環戊二烯、降冰片烯二酸酐等。
-
( 2 ) an aminobenthiazole schiff base has been synthesized as a new fluorescence carrier by reacting 2 - aminobenthiazole with p - allyoxybenzoldohyde. the new kind of schiff base can be utilized for preparing an optical sensor, used for determining furazolidone based on the fluorescence quenching. aminobenthiazole schiff base immobilized on a glass plate surface by covalent bonding can circumvent the leakage of the fluorephore from the sensor surface and guarantee a relatively long working lifetime
( 3 )用強熒光基團2 -氨基
苯並蒽酮與對烯丙氧基
苯甲醛合成了另一種新
的schiff堿類
化合物,與甲基丙烯酸羥乙酯、丙烯
酰胺、環乙二醇二丙烯酸酯共聚制得光極膜,制備了一種
苯並蒽酮schiff堿光
化學傳感器,可用於單質碘
的測定。
-
In particular, the resulting active ester with pentafluorophenol facilitated the subsequent reaction with an amine and the hydrazine derivative to yield the c - terminal amide and hydrazide, respectively
特別是與五氟
苯酚生成
的酯對后續
的與氨或肼衍生
化分別生成c端
酰胺或
酰肼非常有利。
-
Essential oils, perfumery isolates and synthetics for export. determination of linalool. dimethyl aniline acetyl chloride method
出口芳香油單離和合成香料芳樟醇
的測定.二甲基
苯胺-氯
化乙
酰法
-
The barnidipine hydrochloride were prepared via cyclocondensation from m - nitrobenzaldehyde, methyl acetoacetate and anmmonium bicarbonate, hydrolysis, esterification with opticaliy ( s ) - n - benzyl - 3 - py - rrolidinol, recrystallisation and salification
摘要研究了以碳酸氫銨,間硝基
苯甲醛和乙
酰乙酸甲酯為原料,經縮合、部分水解,再與( s ) - n -芐基3 -羥基吡咯烷經酯
化、分步重結晶、成鹽得到鹽酸巴尼地平
的工藝路線。
-
A super acylation catalyst, 4 - dimethylamino pyridine ( dmap ), was prepared and used to synthesize cholesteryl ester compounds. four kinds of cholesteryl ester compounds such as cholesteryl p - alkoxyl benzoate, cholesteryl dicarboxylate, cholesteryl lumequeic ester and coattail - like cholesteryl ester were synthesized by acylation method and super acylation catalyst method. chemical structures and liquid crystal behaviors of the synthesized samples have been characterized by using element analysis, ftir, dsc and polarized microscopy with a hot stage
本文合成了高效
酰化催
化劑4 -二甲基氨基吡啶( 4 - dimethylaminopyridine , dmap ) ,採用
酰氯
化法和高效
酰化催
化劑法分別合成了對烷氧基
苯甲酸膽甾醇酯、對稱脂族二羧酸膽甾醇酯、烯酸膽甾醇酯及燕尾型膽甾醇酯四類膽甾醇酯衍生物,並進行了
化學結構和液晶性能
的表徵。
-
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。
-
Poly(vinyl alcohol)has been protected against radiation by benzalation and benzoylation.
聚乙烯醇
的耐輻解可通過芐叉
化和
苯甲
酰化提高。
-
Horizontale road marking. markings applied on the roads. benzoyl peroxide determination
路面水平標記.馬路標記.過氧
化苯酰的測定
-
The gel by sodium alcoholate method, added benzoylacetone, have the obvious uv absorption peaks at 265nm and 337nm respectively. when the gel was placed in air, the chelate did n ' t have change. the absorption peak decreased until disappeared when the films were irradiated by the ultraviolet light with the relevant wavelength, which indicated that the films were obviously photosensitive
( 4 )通過三種方法制備感光性
的sno _ 2 : sb ( ato )溶膠,採用醇鈉法,添加
苯酰丙酮制備
的二氧
化錫凝膠膜,在265nm和337nm處存在明顯吸收峰,空氣中放置,所形成
的螯合物不發生變
化,用相應波長
的紫外光照射時,這個吸收峰會減小直至消失,表明薄膜具有良好
的感光性。
-
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
-
Abstract : an imidazole - catalyzed acylation method of phthalic anhydride is applied to the determination of hydroxyl values of reinforcing agent is211. the analytical error is 5. 0 10 - 3. the relative standard deviation of the method is less than 0. 04 and its coefficient of variation is not more than 5. 0 10 - 3. hydroxyl values determined in different batch samples meet the design requirement completely. this method is rapid and simple, it is adaptable to conventional analysis
文摘:以咪唑催
化鄰
苯二甲酸酐
酰化的方法測定增強劑is211
的羥值,準確度高,分析誤差為5 . 0 10 - 3 ;方法精密度好,標準偏差小於0 . 4 ,變異系數不大於5 . 0 10 - 3 ,測定不同批號試樣
的羥值完全符合商標值,方法快速、簡便,適用於常規分析。
-
Aldononitrile acetates and alkaline nitrobenzene oxidations were used to analyze the change of structuia1 polysaccharides and composition of lignin in 80 % ethanol - extracted rice straw treated with sodium hydroxide, ammonium bicarbonate, or urea
摘要以氫氧化鈉、碳酸氫銨和尿素處理的稻草為研究對象,採用糖腈乙酰酯法和堿性硝基苯氧化法,分別測定了化學預處理前後稻草用80 %乙醇浸提殘渣中結構性多糖和木質素組分的變化。