甲氧基化 的英文怎麼說

中文拼音 [jiǎyǎnghuà]
甲氧基化 英文
methoxylation
  • : 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...
  • : 名詞[化學] (氣體元素) oxygen (o)
  1. 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香茅醛直接縮合為起點,將縮合、脫羧、異構、 (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。
  2. ( 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 )用強熒光團2 -氨苯並蒽酮與對烯丙醛合成了另一種新的schiff堿類合物,與丙烯酸羥乙酯、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堿光學傳感器,可用於單質碘的測定。
  3. R" is a replaceable function, e. g. acetoxy, methoxy, their acyloxy and alkoxy homologs or halo.

    R」是取,如乙及它們的環和烷同系物或鹵
  4. Synthesis and fungicidal activity of n - methoxylcarbamates containing 1, 2, 4 - triazole and oxime ether

    酸酯類合物的合成及殺菌活性
  5. Synthesis and biological activity of methyl n - methoxylcarbamates containing pyrimidine

    酯類合物的合成及生物活性
  6. Kzsm - 5 zeolite ; toluene ; methane ; oxidative methylation

    Kzsm - 5沸石
  7. 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: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酸在日本也有一定知名度。
  8. Aminated and hydroxylated polysulfone membranes were prepared by amination and hydroxylation reaction, respectively. then bovine albumin ( bsa ) - fixed membranes were obtained by crossed - linking albumin into porous membrane with 1, 1 ' - carbonyldiimidazole and bisoxirane reagents, respectively. a mathematical model for facilitated transport in asymmetric membranes with fixed site carriers was derived by assuming an instantaneous, microscopic concentraion fluctuation in the membrane

    以氯聚碸為材,通過相轉法制備出具有底部貫通孔的非對稱膜,通過胺和羥反應,分別制得胺聚碸膜和羥聚碸膜,再採用羰二咪唑和雙環烷兩種活試劑對其進行活,將牛血清白蛋白固載在膜內,獲得固定白蛋白促進傳遞膜。
  9. 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,二苯為溶劑,吡啶催法制取10 -芳香蒽酮.發現其生成物中除含有目標合物10 -芳香蒽酮外,還含有部分文獻中沒有報道的蒽酮物,經物理方法確定其為蒽醌.該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
  10. R " is a replaceable function, e. g. acetoxy, methoxy, their acyloxy and alkoxy homologs or halo

    R 」是取,如乙及它們的環和烷同系物或鹵
  11. 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

    本文合成了高效酰劑4 -二吡啶( 4 - dimethylaminopyridine , dmap ) ,採用酰氯法和高效酰劑法分別合成了對烷酸膽甾醇酯、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,並進行了學結構和液晶性能的表徵。
  12. The silver doped sca hydrolyzed solution is prepared through hydrolysis method, vinyltrimethylsilane ( vtms ) is chosen as precursor, and ethanol is impregnant, and acetic acid is catalyzer, agno3 is the second component for inducting silver ion

    以乙烯硅烷為原料,乙醇為溶劑,乙酸為催劑,硝酸銀引入銀離子配製摻銀有機硅烷水解溶液。
  13. ( 2 ) the method of determining the concentration of tbh is studied in this paper. the concentration of normal - amount tbh can be determined by kios oxidation. the presence of hnoa in the titration media has no effect on the tritration results. the concentration of trace - amount tbh can be determined by colorimetric methodising paradimethylaminobenzaldehyde as a color reagent

    ( 2 )研究了tbh濃度的測定方法。 kio3法能有效測定常量tbh的濃度, tbh溶液中存在一定濃度的hno3時對滴定結果沒有影響。以對二醛為顯色劑,採用比色法能測定微量tbh的濃度。
  14. The substrates modified by polylysine ( polylysine - substrate ), 3 - aminopropyltriethoxylsilane ( apts - substrate ) and 3 ' - glycidoxypropyltrimethoxysilane ( gops - substrate ) were imaged by atomic force microscope ; the microarrays, which were printed by microspotting device or microchannels on the modified substrates, were observed by fluorescence microscope

    摘要應用了多聚賴氨酸以及硅烷試劑3 -氨丙三乙硅烷和3 - ( 2 , 3環)丙硅烷修飾硼玻璃襯底,並用微點陣點樣儀和微通道在其上印刷微點陣。
  15. Now we produce 5 groups of series organic chemicals, which includes fluoro aniline, chloro aniline, phenol, kenzonitrile, acetophenone, trifluoro methoxy, and other intermediates of pharmaceutical, pesticide and dyestuft

    現擁有氟苯胺、氯苯胺、苯酚、苯腈、苯乙酮、三氟五大類系列有機合成工及醫藥、農藥染料中間體產品。
  16. 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量的萘的存在下, 3 , 5 -二醛與對醇的三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
  17. It has a sedative function, and can be used in many fields, such as aromatherapy, skin care and cosmetics

    香水月季油中的3 , 5 -二苯是一個十分有用的成分,它具有鎮靜作用,可以廣泛用於芳香治療、皮膚護理和妝品。
  18. Hydroxyquinol triacetate was prepared from p - benzoquinone by 1, 4 - addition reaction with acetic anhydride and then 6, 7 - dihydroxy coumarin was synthesized from it by hydrolyze and cyclization in concentrated sulfuric acid. then 6, 7 - dimethoxy coumarin was synthesized by methylating from 6, 7 - dihydroxy coumarin with an overall yield of 74. 4 %. the procedure was practical. its structure was confirmed by ir and 1hnmr

    對苯醌與乙酸酐經1 , 4 -加成生成1 , 2 , 4 -苯三酚三乙酸酯,然後與蘋果酸反應經水解、環合反應得6 , 7 -二羥香豆素,再經得到6 , 7 -二香豆素,總收率為74 . 4 % ,整個過程反應條件溫和,操作方便,適合工業生產的要求,對產品結構進行了ir和1hnmr表徵。
  19. Auto data processing by tofms software combined with “ structured chromatogram ” was used to assign the components. 250 phenols were tentatively idenitified including 66 alkylphenol derivatives, 47 alkenylphenlo derivatives, 57 naphthalenol derivatives, 17 phenylphenol derivatives, 32 methoxyphenol derivatives, 9 acylphenol derivatives and 15 hydroxybenzaldehyde deriviatives

    這些酚類合物包括66個烷苯酚、 47個烯苯酚、 57個萘酚、 17個苯苯酚、 32個苯酚、 9個酚酮和15個酚醛合物。
  20. Non - ionic surface active agents - polyalkoxylated derivatives - determination of hydroxyl value - phthalic anhydride method

    非離子表面活性劑聚烷衍生物羥值的測定鄰苯二酸酐法
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