為吡啶 的英文怎麼說

中文拼音 [wéidìng]
為吡啶 英文
torsemide
  1. Amines other than pyridines have been successfully employed as a proton sponge.

    用胺作為質子吸收體代替吡啶還是得到同樣的結果。
  2. Application of a carbon paste electrode modified with cetyl pyridine bromide in caffeic acid determination

    咖啡酸在溴代十六烷基吡啶修飾碳糊電極上的電化學行為研究
  3. A novel calix [ 4 ] arene - based fluorescent chemosensor bearing 2 - aminopyridine moiety and naphthalenic fluorphore was synthesized, and the chemical structure of the product was identified by ft - ir, ms - fab, nmr and elemental analyses

    摘要以杯[ 4 ]芳烴為平臺、氨基吡啶基團為識別位點、蔡環為熒光基團，合成了一類新型熒光化學傳感器。
  4. Abstract : 1 - ( 4 - pyridinyl ) - 2 - propanone, which is the key intermediate of synthesizing the milrinone, a cardiotonic agent, was synthesized from 4 - methyl - pyridine by acetylation in dichloromethane and phase transition catalyzing hydrolysis. the overall yield was 73. 1 %

    文摘:報道了以4 -甲基吡啶為原料，經酰化和相轉移催化水解反應制備強心藥物米利酮關鍵中間體1 - （ 4 -吡啶基） - 2 -丙酮的新合成方法，總收率達73 . 1 %
  5. Six quaternary ammonium tetraphenyl borates salt photobase generators were synthesized with the use of p - methoxy phenacylmethylene or 2 - naphthoymethylene as chromophore, and triethylene diamine, pyridine or 3 - methyl pyridine as tertiary amine

    摘要以對甲氧基苯乙酮、萘乙酮生色團為母體、雜環叔胺三亞乙基二胺，吡啶， 3 -甲基吡啶和四苯硼鹽為原料，合成了6種四苯硼季銨鹽光產堿劑。
  6. Isopropylidene glycerol is prepared by condensation of acetone with glycerol, thereafter it was esterified with octanoyl chloride in pyridine as catalyst, and finally the latter was decomposed with boric acid

    摘要以甘油和丙酮為原料制得異丙叉甘油，其與辛酰氯在吡啶催化下酯化，再經硼酸作用下分解得到單辛酸甘油酯。
  7. This thesis was composed in three parts : ( 1 ) the performance of the catalysts for the oligomerization and polymerization of ethylene ; ( 2 ) the comonomer effect of the in - situ copolymerization of ethylene by the bis ( imino ) - pyridyl iron complexes and metallocenes ; ( 3 ) the in - situ copolymerization of ethylene by cobalt - based catalysts and metallocenes

    本論文共分為3部分：催化劑性能的評價，雙亞胺基吡啶鐵配合物與茂金屬復配催化乙烯原位共聚中的共單體效應以及雙亞胺基吡啶鈷配合物與茂金屬復配催化乙烯原位共聚。
  8. The free - phosphine carbene ruthenium complex [ 1, 3 - bis ( 2, 6 - dimethylphenyl ) - 2 - tetrahydroimidazol [ ( c5h5n ) 2 ( cl ) 2ru = chph ( 8 ) was prepared by the reaction of [ 1, 3 - bis ( 2, 6 - dimethylphenyl ) - 2 - tetrahydroimidazol ] ( pph3 ) ( cl ) 2ru = chph ( 7 ) with pyridine and used as a highly effective catalyst for the cross metathesis of acrylonitrile with allylbenzene

    摘要設計了由1 ， 3 -二（ 2 ， 6 -二甲基苯基） 2 -四氫咪唑基苯亞甲基三苯基膦二氯合釕（ 7 ）和吡啶反應生成無膦型金屬釕卡賓化合物1 ， 3 -二（ 2 ， 6 -二甲苯基） 2 -四氫咪唑基苯亞甲基2 -吡啶基二氯合釕（ 8 ） ， 8作為高效催化劑用於丙烯腈和烯丙基苯的交叉交互置換反應。
  9. Cyanopyridine, intermediate of rimifon, was synthesized from 4 - picoline using vanadium oxide as a catalyst in fixed - bed reactor, reached 99 % conversion of 4 - picoline, 88 % selectivity and 87. 12 % yield of 4 - cyanopyridine

    以4 -甲基吡啶為原料，在固定床反應器中通過含氧化釩的催化劑發生氣固相接觸氨氧化反應制備雷米封中間體4 -氰基吡啶， 4 -甲基吡啶的轉化率為99 % ， 4 -氰基吡啶的選擇性為88 % ，收率為87 . 12 % 。
  10. 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
  11. Method : 113 cases with ulcerative colitis were divided into the treatment group ( n = 60 ) and the control group ( n = 53 ) randomly, the former group was treated by enteroclysis with puerariae and scutellariae and coptidis decoction and dandelion, and the other group were treated with huang pyridine balsalazide

    方法：潰瘍性結腸炎患者113例，隨機分為治療組（ 60例）和對照組（ 53例） ，前者用蒲公英葛根芩連湯灌腸，後者用柳氮黃吡啶治療。
  12. The electrochemical behavior of dopamine on poly cinchomeronic acid modified glassy carbon electrode and its detection

    吡啶二羧酸修飾電極上的電化學行為及其測定
  13. ( 1 ) in chapter 1, renewable amperometric immunosensor based on sol - gel technique has been developed by dispersing graphite, complement 3 antiserum and sol - gel at low temperature for the determination of complement 3 in human serum

    同時還研究了1 - o -烯丙基- 4 -羥基蒽醌的電化學行為以及2 -氨基吡啶聚合膜修飾玻碳電極的制備及其電化學性質。
  14. Our products mainly are pharmaceutical intermediates such as 2, 3, 5 - trimethylpyridine more than twenty varieties, they are all new products of the province even the country and accredited as quality guaranteed products. some of them are listed in the provincial or national prominent developing projects. meanwhile, have sent over ten qualified products samples designed for foreign customers, and are actively developing more than twenty new projects

    目前在正常生產和銷售的產品主要有醫藥中間體2 ， 3 ， 5 -三甲基吡啶等十幾個產品，均為國內或省級新產品，技術監督部門認定的「質量信得過產品」 ，部分產品已列入省級或國家級火炬計劃
  15. The preparation of optically active composite is a promising alternative to obtain a kind of new and competitive sensing membrane for fiber optic sensors, and has attracted the global attention. in this thesis, the modified sol - gel sensing membranes based on fluorescence quenching have been prepared by using tetraethoxysilane ( teos ) and dimthyldimethoxysilane ( dds ) as the main material, formamide as the drying control chemical additive ( dcca ), ru ( phen ) 3cl2 and ru ( bpy ) 3cl2 as the indicator. this kind of membranes is crack - free and has low indicator - leaking rate

    本文以四乙氧基硅烷（ teos ） 、二甲基二乙氧基硅烷（ dds ）為主要原料，以甲酰胺為控制乾燥劑，二價釕離子絡合物釕（ ） ?聯吡啶（ ru （ bpy ） _ 3cl _ 2 ）和釕（ ） ?菲咯啉（ ru （ phen ） _ 3cl _ 2 ）為熒光指示劑，採用改進的溶膠凝膠技術，通過添加控制乾燥劑和有機摻雜兩種手段，制備了基於熒光猝滅原理的光纖氧敏感膜。
  16. Study on the voltammetric behaviours of ranitidine and ru 2 3 system

    雷尼替丁吡啶釕體系伏安行為的研究
  17. A planar tetradentate dinuclear ligand, 3, 5 - bis ( 2 - pyridyl ) pyrazole, was synthesized by a three - step reaction of esterification, condensation and addition

    以2 -吡啶甲酸為原料，經酯化、縮合、加成合成了平面四齒雙核配體3 ， 5 -二（ 2 -吡啶基）吡唑。
  18. It has been shown from the elemental analysis, the uv - visible spectra and the ir spectra, that the new complexes we designed were prepared

    這類化合物在組成上具有吡啶和聯吡啶兩種配體，兩組元分別為順反結構。
  19. Recent advances of chiral metal catalysts for cyclopropanation are reviewed in this paper. the chiral catalysts include metal complexes with schiff base, oxazoline, porphyrin metal, bipyridine, terpyridine, carboxylate, etc

    摘要總結了近年來關于環丙烷化反應中各種手性金屬催化劑的研究進展，包括席夫堿、惡唑啉、卟啉、聯吡啶及四吡啶、羧酸酯等類型的手性化合物作為配體的金屬催化劑。
  20. ( 1 ) rucl3 3h2o and 2, 2 " - bipyridine are used as raw materials to synthesize the fluorescent indicator, we prepare a kind of new fluorescent indicator - ru ( bpy ) 3cl2, which is then characterized by ir and xrd, because of its excellent fluorescent performance, ru ( bpy ) 3cl2 is the good indicator of fiber optic oxygen sensor

    （ 1 ）採用水合三氯化釕和2 ， 2 ?聯吡啶合成出一種熒光物質? ?釕（ ） -聯吡啶（ ru （ bpy ） _ 3cl _ 2 ） ，通過紅外光譜和x射線衍射圖譜對該指示劑進行表徵。因其具有優良的熒光性能，適合作為檢測氣態氧和溶解氧的光纖氧傳感器的熒光指示劑。
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