縮甲醛基 的英文怎麼說

中文拼音 [suōjiǎquánjī]
縮甲醛基 英文
formal group
  • 縮 : 縮構詞成分。
  • 甲 : Ⅰ名詞1 （天乾的第一位） the first of the ten heavenly stems2 （爬行動物和節肢動物身上的硬殼） she...
  • 醛 : 名詞[化學] （有機化合物的一類） aldehyde
  • 甲醛 : [有機化學] formaldehyde; cascophen; arofene; methanal; formol; methylene oxide
  1. 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。
  2. Studies on the structure optimization of bis - schiff base deri ved from 4 - amino - antipyrine and 1, 4 - benzenedialdehyde and spectra properties of the ligand with co

    氨基安替比林縮對苯二甲醛雙希夫堿的結構優化及其與鈷離子作用的光譜研究
  3. 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

    以異脫氫乙酸乙酯與甲氧基香茅醛直接縮合為起點，將縮合、脫羧、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。
  4. 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。
  5. 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
  6. A facile method for the preparation of 10 - arylmethylene anthrone is reported. when anthrone react with aryl aldehyde in the presence of pyridine by using xylene as the solvent, besides 10 - arylmethylene anthrone derivatives we found other oxygenated anthrone which have not been reported. physical methods shows that the oxygenated anthrone is anthraquinone, and the anthraquinone cannot be removed from the condensed products by recrystallization with solvents. an effective method of getting ride of anthraquinone is sublimation by heating

    以蒽酮和芳香醛為原料，二甲苯為溶劑，吡啶催化法制取10 -芳香基甲叉基蒽酮.發現其生成物中除含有目標化合物10 -芳香基甲叉基蒽酮外，還含有部分文獻中沒有報道的蒽酮氧化物，經物理方法確定其為蒽醌.該化合物不能用溶劑重結晶的方法將其從縮合產物中除去，有效的分離方法是升華
  7. In this paper, polyvinyl - butyral ( pvb ) and methyl cellulose ( mc ) are chosen as chemical additives to amend the property of normal mortar, orthogonal tests of 96 pieces of shear specimens are carried out, then orthogonal analysis of test results is performed

    採用聚乙烯醇縮丁醛和甲基纖維素對普通砂漿做合理改性，進行了96個抗剪試件的正交試驗，並對試驗結果進行正交分析。
  8. Phenolic, amino and condensation resins - determination of free - formaldehyde content

    酚醛樹脂氨基樹脂和縮合樹脂.游離甲醛含量的測定
  9. Phenolic, amino and condensation resins - determination of free - formaldehyde content iso 11402 : 2004 ; german version of en iso 11402 : 2005

    酚醛樹脂氨基樹脂和縮合樹脂.游離甲醛含量的測定
  10. The results indicate that the sort of walling material is the most important factor in bond capacity of mortar, the mixed quantity of polymer and mortar strength follows, and there is a remarkable increase in mortar bond strength when the mixed quantity of pvb and mc is 20 % ~ 30 % and 0. 05 % ~ 0. 1 % respectively

    結果表明：塊體類別是最主要的影響因素，其次是聚合物摻量和砂漿強度；當聚乙烯醇縮丁醛和甲基纖維素的摻量分別為水泥質量的20 % ~ 30 %和0 . 05 % ~ 0 . 1 %時，可較大幅度提高砂漿的黏結強度。
  11. Syntheses of polyethylene glycol bridged diparahydroxylbenzaldehyde condensed ortho - aminobenzoic acid

    多縮乙二醇橋連二對羥基苯甲醛縮鄰氨基苯甲酸的合成
  12. 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 -氟烷基乙酸為初始原料，用氯化亞碸或五氯化磷將其轉化為相應的酰氯，後者在室溫與鄰胺基苯甲醛縮合，通入氨氣迴流反應得到3 - （ 1 -亞胺基氟烷基） 1h -喹啉2 -酮類化合物，產率中等。
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