氯甲酸基酯 的英文怎麼說
中文拼音 [jiǎsuānjīzhǐ]
氯甲酸基酯
英文
chloroformic acid benzyl ester-
P - nitryl chlorine benzyl formate
硝基氯甲酸芐酯Synthesis of nitrogen - contained bicyclic caged phosphate
三氯甲基碳酸酯的合成與應用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。The methods for synthesizing p - hydroxyl ethyl benzoate catalyzed by sulfuric acid, p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, aluminum chloride hexahydrate, stannic chloride pentahydrate, copper sulfate, titanium sulfate, rare earth metal oxide, sodium bisulfate monohydrate, solid super acid and heteropoly acid and so on are reviewed
摘要評述了硫酸、對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水合三氯化鐵、六水合三氯化鋁、五水四氯化錫、硫酸銅、硫酸鈦、稀土金屬氧化物、一水硫酸氫鈉、固體超強酸、雜多酸等催化劑催化合成對羥基苯甲酸乙酯的方法。First, a terminal double bond was introduced into 3 - amino - 9 - ethylcarbazole ( aec ) via methacryloyl chloride to obtain the compound, 3 - ( n - methacryloyl ) amino - 9 - ethylcarbazole ( mec ). second, mec was copolymerized with butyl methacrylate to prepare the mec - immobilized polymer particles. the resultant polymer particles were used as a fluorescence probe, which was almost free of dye leaching, and had higher photostability in comparison with free aec
首先利用甲基丙烯酰氯向3 -氨基- 9 -乙基咔唑( aec )分子中引入末端雙鍵,得到帶末端雙鍵的熒光指示劑3 - ( n -甲基丙烯酰基)氨基- 9 -乙基咔唑( mec ) ,然後通過乳液聚合技術將mec共價固定到聚甲基丙烯酸丁酯基體上,制得一種共價固定了mec的聚合物顆粒。O - nitryl chlorine phenyl formate
硝基氯甲酸苯酯Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents
以甲基丙烯酰氯、甲基丙烯酸酐和甲基丙烯酸作酰化劑,研究了膽酸甲酯分子中羥基的反應活性。Authority reports that three national champions we hold now are the production of phosphorus oxychloride, the selling volume of 1 - phenyl - 3 - methyl - 5 - pyrazolone and the export volume in europe of triethyl phosphate. in addition, our p - methoxybenzoic acid has good reputation in japanese market
據國家權威機構統計:氧氯化磷在全國產量最大1 , 3 , 5 -吡唑酮在全國銷售量最大磷酸三乙酯出口量最大對甲氧基苯甲酸在日本也有一定知名度。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。Since establishment in september 1996, our company has been engaged in the manufacture and processing of pharmaceutical raw materials and pharmaceutical intermediates, which mainly include clobetasol propionate, betamethasone dipropionate ramification intermediate, loperamide hydrochloride, 7 - isopropoxyisoflavone, hydroxyurea, methoxyflavone, 7 - hydroxy isoflavone, 7 - methoxy isoflavone, etc
我公司於1996年9月成立,從事醫藥原料、醫藥中間體的生產、加工,主要產品有:丙酸氯倍他索、倍他米松二丙酸酯、倍他米松戊酸酯、糠酸莫美他松、 5 -甲基- 7 -甲氧基異黃酮、伊普黃酮等。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。( 2 ) in order to optimize the condition of analysis for the chosen direct spme system, the chosen components are : chloroform, acetic acid, n - amylalcohol, n - butyl acetate, dmf, p - xylene, cyclohexanone, aniline, phenol
( 2 )對選擇的直接spme體系進行了分析測試條件優化,選擇的組分為:三氯甲烷,乙酸,正戊醇,乙酸丁酯, n , n -二甲基甲酰胺,對二甲苯,環己酮,苯胺,苯酚。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Methods 3, 3 - bis ( dibenzyloxyphosphoiyl ) propionic acid ( 5 ) and ( 6 ) were synthesized from tetraethyl methylene bisphosphonate via hydrolysis, chlorination of the acid, esterification, condensation, then 3, 3 - bis ( dibenzyloxyphosphoryl ) propanol ( 6 ) was obtained via selective reduction of ( 5 )
方法以亞甲基偕二膦酸四乙酯( 1 ) ?原料經水解、氯膦酰化、酯化、縮合得3 , 3二(二芐氧膦酰基)丙酸( 5 ) ,隨后選擇性硼氫化還原得3 , 3二(二芐氧膦酰基)丙醇( 6 ) 。An organ phosphorous pesticide, 4 - ( methylthio ) phenyl di - n - propyl phosphate ( propaphos ), and intermediates, di - n - propyl phosphite and di - n - propyl chlorphosphate, were synthesized by using n - propanol, phosphorus trichloride, 4 - ( methylthio ) phenol, etc. as starting materials
摘要以正丙醇、三氯化磷、 4 -甲硫基苯酚等為原料,合成有機磷殺蟲、殺菌劑丙蟲磷以及中間體二正丙基亞磷酸酯等。Plastics. basic materials for polyurethanes. determination of total chloride in pure and raw isocyanates
塑料製品.聚氨基甲酸乙酯基料.純異氰酸鹽和原異氰酸鹽中總氯含量的測定This paper reviews the utilization over the 20 last years of chemometrics methods in analysis of pesticide residues, including organochlorine, oranophosphorous, carbamate, and synthetic pyrethroid insecticides, along with herbicides and fungicides
摘要對近20年來化學計量學方法在農藥殘留(包括有機氯殺蟲劑、有機磷殺蟲劑、氨基甲酸酯類殺蟲劑、擬除蟲菊酯殺蟲劑、除草劑及殺菌劑)分析測試中的應用進行了評述。Resistance would be developed when the activities of any of these three enzymes are increased. the three insecticide target - sites are acetylcholinesterase ( ache ) for organophosphate and carbamate insecticides, voltage - gated sodium channels : knockdown resistance ( kdr or kdr - type ) for ddt & pyrethroids and y - aminobutyric acid ( gaba ) receptors for cyclodienes
殺蟲劑的作用靶標主要有:有機磷和氨基甲酸酯殺蟲劑的作用靶標?乙酰膽堿酯酶; ddt和擬除蟲菊酯類殺蟲劑的作用靶標?神經軸突鈉離子通道;環戊二烯類和吡唑類等殺蟲劑的作用靶標? -氨基丁酸( gaba )受體-氯離子通道復合體。Test method for polyurethane raw materials : acidity by argentometric determination of hydrolyzable chlorine in monomeric, aromatic isocyanates
聚氨基甲酸乙酯原料試驗方法:測定單體芳香異氰酸酯中的可水解氯的銀鹽定量測定酸度Plastics. primary materials for polyurethanes. determination of chloride hydrolysable in diisocyanate tolylene
塑料製品.聚氨基甲酸乙酯基料.二異氰酸二苯乙烯中水溶氯含量的測定分享友人