酰基乙酸 的英文怎麼說

中文拼音 [suān]
酰基乙酸 英文
acyl acetic acid
  • : 名詞[化學] (酰基) acyl
  • : 酸構詞成分。
  1. The synthesis process of acetimidoyl ethyl ether hydrochloride was introduced, and the preparations of acetamide, ethyl acetate, acetamidine hydrochloride, triethyl orthoacetate, n - cyan - iminoester hydrochloride and hydrazone by acetimidoyl ethyl ether hydrochloride were summarized

    摘要介紹了亞氨醚鹽鹽的合成工藝,總結了亞氨醚鹽鹽制備胺、酯、鹽脒、原酯、 n -氰亞氨酯以及腙類化合物的合成方法。
  2. Acetyl butyric acid methyl ester 98 % min

    甲酯
  3. Acyl isethionic salt

  4. Abstract : in ureide - transporting legumes , ureides ( allantoin and allantoic acid ) are major transportform of biological fixed nitrogen. the distribution , properties , structure and regulation of plant allantoinase were reviewed in detail. the advances in the recent studies on allantoate amidohydrolase and ureidoglycolate amidohydrolase were introduced. and the works desired to be done were pointed out

    文摘:全面綜述植物脲降解代謝酶的研究現況,概述植物尿囊素酶的分佈、性質、結構,以及調節控制,並簡介植物尿囊胺水解酶和脲胺水解酶的研究近況,同時指出待研究的方向。
  5. 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、鹽、氯磺、對甲苯磺、氨、強性陽離子交換樹脂、六水三氯化鐵、五水四氯化錫、三氯化鋁、硫鐵、硫鋁、硫鈦、一水硫氫鈉、固體超強、雜多、固載雜多、復合鈦酯和對甲苯磺氯等催化劑催化合成1 -萘甲酯的方法。
  6. 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

    首先利用甲丙烯氯向3 -氨- 9 -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 -甲丙烯)氨- 9 -咔唑( mec ) ,然後通過乳液聚合技術將mec共價固定到聚甲丙烯丁酯體上,制得一種共價固定了mec的聚合物顆粒。
  7. In this thesis, new fluorescence carriers with good properties were synthesized and copolymerized under uv irradiation on the silanized glass or quartz disk and - the sensors prepared were studied. ( 1 ) n - propyl - 4 - ( n - methylacryloxy - ethyl ) amino - 1, 8 - naphthalimide ( pmean ) was synthesized and used for determination of picric acid. the linear range of the sensor is 9. 80x10 - 7 - 1. 96x10 - 4 mol i - 1

    ( 1 )合成了n -丙- 4 - ( n -甲丙烯)氨- 1 , 8 -萘亞胺( pmean ) ,研製出了苦味熒光光纖傳感器,可間接測定藥片中磷氯喹和水樣中苦味的含量。
  8. 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、脂、丁脂、硅油、二苯胺、雙聚丁二亞胺、苯三唑衍生物、異丙醇胺、醇胺、烷二苯胺、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、硫磷丁辛鋅鹽、氯橋、氯橋酐、氯苯、雙聚環戊二烯、降冰片烯二酐等。
  9. In order to find replacer for metronidazole and drug selection. some diesters or esters of acids containing nitrogen with metronidazole were designed and synthesized, which have difference in water - solubility. metronidazole was reacted with the corresponding amino or imino multi - carboxylic acid compounds in the presence of acetic anhydride or thionyl chloride or dcc. the intermediate of nitrilotriacetic acid with ac

    為尋找羥甲硝唑的替代物,分別採用酐法氯法或dcc法,將氨與羥甲硝唑反應,得到5個親水性不同的單酯或二酯,用ms譜確證了次氨酐反應的中間物,並對得到的酯的
  10. Abstract : methanesulfonic acid method was used to prepare five acylated chitins. except heptanoyl chitin, four of them, i. e. acetyl chitin, propionyl chitin, butyryl chitin and hexanoyl chitin, had high degree of substitution ( from 1. 5 to 2. 0 ) and exhibited lyotropic liquid crystalline behavior and cholesteric phase. as the length of the side chain increased the critical concentration ( w / w ) somewhat increased from 0. 21 to 0. 26 because the chain rigidity dropped. the critical concentration values of all the four derivatives were much higher than that of chitin ( 0. 12 ) due to the decrease of intramolecular hydrogen bonds. the four acylated chitin can form typical banded texture after being sheared. there minimum concentrations to form banded texture of them were evidently different, varied from 0. 25 ( for acetyl chitin ) to 0. 37 ( for hexanoyl chitin ). these results further indicated that liquid crystallinity decreased while the length of flexible side substituents increased

    文摘:四種羧化甲殼素即化、丙化、丁化和己化甲殼素在二氯溶液中均呈現膽甾型溶致液晶相.臨界濃度隨側長度增加而略有增加,衍生物的臨界濃度明顯都比原甲殼素高許多,這些規律都可以用鏈剛性的變化來解釋.四種羧化甲殼素在剪切時均能形成條帶織構,而且能形成條帶織構的最低濃度有明顯差別,隨側長度增加而提高,進一步表明側較長,液晶性減少
  11. The amino group becomes attached to the coenzyme to form pyridoxamine phosphate, and is then transferred to the a - keto acid, which is usually pyruvic acid, oxaloacetic acid, or - ketoglutaric acid

    反應中氨首先連接在輔酶上形成磷吡哆氨,然後氨轉移到-酮上,這種-酮可以為丙酮、草或是-酮戊二
  12. 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

    摘要研究了以碳氫銨,間硝苯甲醛和甲酯為原料,經縮合、部分水解,再與( s ) - n -芐3 -羥吡咯烷經酯化、分步重結晶、成鹽得到鹽巴尼地平的工藝路線。
  13. Aspartic acid an amino acid formed by transamination, in which the amino group of dlutamic acid is transferred to oxaloacetic acid

    天冬氨:由轉氨作用形成的一種氨,谷氨的氨團被轉移到草中。
  14. Its headquarter is located at xinkailu no. 8, xuanhua district of zhangjiakou city. its main products include ziyun brand civil explosive products series : powdery ammonium nitrate explosive emulsion explosive industrial fuse ; ziyun brand fine chemical products series : glyoxalic acid 5 - 4 - hydroxyphenyl hydantoin p - hydroxyphenylacetic acid p - hydroxyphenylacetamide allantoin daidzein bufexamac ; aaa brand fine chemical products series : ethylamine methanol trimethylacetic acid tert - valeryl chloride ; great wall brand agricultural chemical fertilizer products series : ammonia urea ammonium bicarbonate ; chenguang brand calium carbide chenguang brand acetylene carbon black xuguang brand dissolved acetylene ; and the others as sulphur ammoina liquor oxygen nitrogen, etc.

    公司現有主要產品為,紫雲牌民爆產品系列:粉狀硝銨炸藥乳化炸藥工業導火索紫雲牌精細化工產品系列:對羥苯海因對羥對羥胺尿囊素大豆甙元丁苯羥三a牌精細化工產品系列:胺甲醇特戊特戊氯長城牌農化產品系列:合成氨尿素碳銨晨光牌電石,炔炭黑旭光牌溶解炔。
  15. The association of gene polymorphisms of mgp and alad with lead blood level in children

    谷氨蛋白和氨脫水酶因多態性與兒童血鉛的關系
  16. The results indicated that montmorillonite was intercalated by polyacrylic acid molecular. section two : preparation of polyacrylic acid / acrylamide / montmorillonite ( paa / am / mmt ) water absorbent hybrid by aqueous solution intercalated polymerization high water absorbent polyacrylate copolymer was prepared by aqueous solution intercalated copolymerization. in this reaction, the monomers were the partially neutralized acrylic acid ( aa ) and acryl amide ( am ) ; the cross - linking agent was diacryl ethylene ( egda )

    第二節溶液插層共聚制備聚丙烯鹽/丙烯胺/膨潤土雜化吸水材料及其性能研究首次利用溶液插層共聚制備了二丙烯二醇酯( egda )交聯的聚丙烯鹽/丙烯胺/膨潤土( paa / am / mmt )雜化吸水材料。
  17. 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 )

    方法以亞甲偕二膦酯( 1 ) ?原料經水解、氯膦化、酯化、縮合得3 , 3二(二芐氧膦)丙( 5 ) ,隨后選擇性硼氫化還原得3 , 3二(二芐氧膦)丙醇( 6 ) 。
  18. Butyl acetoacetic ester

  19. Fluoroalkyl acetic acids were converted to their corresponding carbonyl chlorides, which was then reacted with o - amino benzaldehyde and ammonia gas to give 3 - ( 1 - iminofluoroalkyl ) - 1h - qunolin - 2 - ones in moderate yields

    摘要用2 -氟烷為初始原料,用氯化亞碸或五氯化磷將其轉化為相應的氯,後者在室溫與鄰胺苯甲醛縮合,通入氨氣迴流反應得到3 - ( 1 -亞胺氟烷) 1h -喹啉2 -酮類化合物,產率中等。
  20. Solubility soluble in hot water, acetone, 2 - j ketone, n, n - dimethy formamide, ethyl acetoacetate, cyclohexanoneit can recat with ethanol anhydrous

    溶解性:溶於熱水及丙酮酮二甲酯環酮溶於無水醇並發生反應
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