羧酸乙酯 的英文怎麼說

中文拼音 [suōsuānzhǐ]
羧酸乙酯 英文
ethyl indole-2-carboxylate
  • : 名詞[化學] (羧基) carboxyl
  • : 酸構詞成分。
  • : 名詞[化學] (有機化合物的一類) ester
  1. A review on application of monohydrated sodium bisulfate as catalyst in synthesis of ester, such as monocarboxylic esters, dicarboxylic esters, chloroacetates, hydroxycarboxylic esters, aromatic esters and the reusability of sodium bisulfate with

    摘要介紹了一水硫氫鈉在催化合成(如一元、二元、氯、羥基脂、芳香)中的應用及其重復催化性能。
  2. An one - pot process including direct condensation of ethyl isodehydracetate and hydrocitronellal, followed by decarboxylation, isomerization and isomer resolution, was developed for practical preparation of zr juvenile hormone analogue series with high content of effective component

    以異脫氫與甲氧基香茅醛直接縮合為起點,將縮合、脫、異構化、 (順、反)異構體拆分等採用多步反應連續一鍋法的操作方法,成功地得到高有效含量的zr型保幼激素類似物。
  3. 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

    為尋找羥基甲硝唑的替代物,分別採用酐法酰氯法或dcc法,將氨基與羥基甲硝唑反應,得到5個親水性不同的單或二,用ms譜確證了次氨基三酐反應的中間物,並對得到的
  4. New developments of polycarboxylic acid derivative catalysts, ion exchange resin catalysts, macrocyclic chelating compound catalysts, quaternary phosphonium salt catalysts, heterogeneous hydrotalcite - type catalysts and other catalysts which to be used in ethylene oxide catalytic hydration, and the catalysts of synthesis method of ethylene glycol via preparation and reaction of ethylene carbonate are expounded

    闡述了用於環氧烷催化水合反應中的多衍生物催化體系、離子交換樹脂催化體系、大環螯合物催化體系、季?鹽催化體系、多相水滑石型催化體系及其他催化體系近年來的研究進展;同時闡述了用於碳法合成二醇反應中的催化體系的新進展。
  5. Abstract : researches on unformaldehyde unironing finishing are summarized in this paper. functions and deficiencies of glyoralamido, water soluble heat reactive polyure thane, bishydroxyethyl - sulfoue, natural high precision chitosan, reactive organosilicon, amyloidosis epoxide, multiple carboxyl acid compound are also analyzed and compared

    文摘:綜述了無甲醛免燙整理方面的研究,分析比較了二醛-酰胺類整理劑、水溶熱反應性聚氨、雙羥基碸、天然高聚物殼聚糖、反應性的有機硅、澱粉改性物、環氧類整理劑、多化合物等無甲醛抗皺整理劑的功能以及各種整理劑存在的不足
  6. The synthesis technology of various liquid rubbers with different active group terminated, such as hydroxyl - terminated, carboxyl - terminated, isocyanate - terminated, ami - no - terminated, mercaptan - terminated and various main chains like polybutadiene, polyurethane, polystyrene were reviewed with 23 references

    摘要綜述了端羥基、端基、端異氰基、端氨基、端巰基等活性端基,以及聚丁二烯、聚氨、聚苯烯等不同主鏈結構的液體橡膠的合成技術。
  7. 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 -三氯基) - 2 , 2 -二甲基環丙烷出發制備二氯菊。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。
  8. In this paper, a new class of concrete high performance water reducer ( hpwr ) was designed from chemical classification of high performance wra, working principle and unit structure model of poly - carboxylate series wra. the comb - like copolymer structure of hpwr was " carboxylic group - ether link - ester link ". the synthetic chemical materials was polyethylene glycil, acrylic acid and methyl - metacrylic acid ester

    本文從高性能減水劑的化學結構、作用機理以及聚類減水劑的單元結構模型出發,設計出國內所沒有的一類新型高性能減水劑? ? 「?醚鍵?鍵」為單元結構模型的梳型分子結構的減水劑共聚物,並確定了以聚二醇( peg )系列、丙烯( aa ) 、甲基丙烯( mma )為合成該類減水劑的主要化學原料。
  9. The paper introduces a new highly - effective synthesis method. decoquinate was synthesized with catechol as starting materials via substitution, reduction, and at last cyclization with " dowtherm a " as solvent

    摘要以鄰苯二酚為原料,通過一系列取代反應,再經過還原、縮合,最後在高沸點的混合有機溶劑中關環。制備的3 -喹啉羧酸乙酯衍生物的總收率為24 . 2 % 。
  10. Peg and superfluous aa reaction by complete concatenation method, the esterify production " esterify water " and acid number were mensurated, it shows that the esterify reaction would be processed under 100 esterify temperature and with amine accelerantthe tide of esterify reaction was substantiated by ir. in the ir spectrum, the characteristic peak of hydroxy of peg and carboxyl of aa were weakened. and the ester link of peg was reinforce. the " esterify water " was increased gradually and the acid number of esterify production was debased gradually along with the extent of esterify time and the augmentation of molecular weight of peg

    通過聚二醇與過量的丙烯採用全連續法進行反應,測定化產物「化水」和值等宏觀手段反映出在胺類促進劑、 100的化溫度等條件下的化進程,而利用紅外光譜( ir )分析所反映的聚二醇的羥基和丙烯基特徵峰減弱,而pea的基特徵峰加強等特徵進一步證實了宏觀手段所表現出來的化趨勢:隨著化時間的延長和聚二醇分子量的增大,產生的「化水」逐漸增加,化產物的值逐漸降低;從化時間看,當反應時間達到300min時,化物的值達到最小,而從ir分析來看,化物pea4的羥基峰在300min時減弱到最小, pea23在120min時羥基峰的表現出化基本完全。
  11. Synthesis of some esters of acids containing nitrogen with metronidazole

    含氮的羥基甲硝唑的合成
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