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碘氢化
相关语句
  hydroiodination
     The one pot deconjugation and hydroiodination of 3 with a reagent system of TMSC1/NaI/H 2O in CH 3CN was the key step.
     合成的关键步骤是在 TMSCl/Na I/H2 O/CH3CN体系中化合物 5 -(4-氟苯氧基 ) -3 -戊炔 -2 -酮一步完成的碘氢化和去共轭反应
短句来源
     All compounds have been fully characterized by 1H and 13 C NMR , IR and MS spectroscopy. The one pot deconjugation and hydroiodination of 3a(3b) with a reagent system of TMSCl/NaI/H 2O in CH 3CN was the key step.
     合成关键步骤为 TMSCl/Na I/H2 O/CH3CN体系中化合物 ( 3 )的碘氢化和去共轭
短句来源
     The one pot process of deconjugation and hydroiodination of 5-phenylthio-3-pentine-2-one 3 in the system of TMSCl/NaI/H_2O/CH_3CN is the key step.
     合成的关键步骤是在三甲基氯硅烷(TMSCl)/NaI/H2O/CH3CN体系中5-苯硫基-3-戊炔-2-酮3一步完成的碘氢化和去共轭反应。
短句来源
  “碘氢化”译为未确定词的双语例句
     Study on O■polarography of 3-Amino-α-ethyl-2,4,6-trilodohydrocinnamic Acid
     3-氨基α-乙基-2,4,6-三碘氢化桂皮酸的示波极谱法研究
短句来源
     3-Amino-a-ethyl-2, 4, 6-triiodohydrocinnamic acid(Ⅰ) produced two distinct cathode-derivative waves in a medium of 0. 02M phosphoric acid-0. 08M acetic acid-0. 08M boric acid. The peak potentials are obtained at-0. 72 V and-0.86 V(VS. SCE).
     在0.02M磷酸-0.08M乙酸-0.08M硼酸介质中,3-氨基-a-乙基-2,4,6-三碘氢化桂皮酸(碘番酸)有两个明晰的阴极化示波导数波,峰电位分别为-0.72伏和—0.86伏(vs.S.C.E.) 。
短句来源
  相似匹配句对
     HYDROGENATED NITRILE RUBBER
     氢化丁腈橡胶
短句来源
     Determination of the degree of hydrogenation for HNBR by bromine-iodometric technique
     溴法测定氢化丁腈橡胶加氢度
短句来源
     The Hydrogenation of Vitamin E
     维生素E氢化
短句来源
     THEORETICAL STUDY ON THE DECREASE OF IODINE VALUE IN THE HYDROGENATION OF OILS AND FATS
     油脂氢化反应中值变化的理论研究
短句来源
     The spectrophotometric determination of microamount of atomic iodine
     (I)的分光光度法测定
短句来源
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3-Amino-a-ethyl-2, 4, 6-triiodohydrocinnamic acid(Ⅰ) produced two distinct cathode-derivative waves in a medium of 0. 02M phosphoric acid-0. 08M acetic acid-0. 08M boric acid. The peak potentials are obtained at-0. 72 V and-0.86 V(VS. SCE). The first wave is used for quantitative analysis. The linear relationship exists between the peak current and the concentration of(Ⅰ)in the range 5. 0×10~(7)Mt. 1. 0×10~5M. It has been used successfully in the tablets and crude medicine analysis frI). The polerographic behavour,...

3-Amino-a-ethyl-2, 4, 6-triiodohydrocinnamic acid(Ⅰ) produced two distinct cathode-derivative waves in a medium of 0. 02M phosphoric acid-0. 08M acetic acid-0. 08M boric acid. The peak potentials are obtained at-0. 72 V and-0.86 V(VS. SCE). The first wave is used for quantitative analysis. The linear relationship exists between the peak current and the concentration of(Ⅰ)in the range 5. 0×10~(7)Mt. 1. 0×10~5M. It has been used successfully in the tablets and crude medicine analysis frI). The polerographic behavour, reaction mechanism and electrode process have been studied. It shows that the polarographic wave is an adsorption one, the electrode reaction is due to the reduction of I-bound in benzene of (Ⅰ), and the electrode process is irreversible.

在0.02M磷酸-0.08M乙酸-0.08M硼酸介质中,3-氨基-a-乙基-2,4,6-三碘氢化桂皮酸(碘番酸)有两个明晰的阴极化示波导数波,峰电位分别为-0.72伏和—0.86伏(vs.S.C.E.)。以第一波作为定量分析的基础,峰电流与浓度在5.0×10~(-7)~1.0×10~(-5)M范围内具有良好的线性关系,已成功的应用在碘番酸片剂和原药的分析中。研究了极谱波性质,反应机理和电极过程。认为获得的极谱波为吸附波,电极反应系碘番酸分子中苯环上键合的碘还原所致。电极过程不可逆。

The synthesis of (Z)-2-(4-fluorophenoxy methylene)-γ-phentanolide (9) and (Z)-2-(4-fluorophenoxy methyl)-2-penten-γ-lactone(8) from 3-(4-fluorophenoxy) propyne(1) in 5 steps has been described.The one pot deconjugation and hydroiodination of 3 with a reagent system of TMSC1/NaI/H 2O in CH 3CN was the key step.

以 3 -(4-氟苯氧基 )丙炔为原料经 5步反应合成了 (Z) -2 -(4-氟苯氧基甲基 ) -2 -戊烯 -γ-内酯和 (Z) -2 -(4-氟苯氧基亚甲基 ) -γ-戊内酯。合成的关键步骤是在 TMSCl/Na I/H2 O/CH3CN体系中化合物 5 -(4-氟苯氧基 ) -3 -戊炔 -2 -酮一步完成的碘氢化和去共轭反应

Starting from 3 phenoxy(thio) 1 propyne 1a(1b), 5 phenoxy(thio) 3 pentyn 2 ol 2a(2b) were obtained by Grignard reaction. After treating 2a(2b) with Jones reagent, hydroiodination of 3a(3b) with a reagent system of TMSCl/NaI/H 2O in CH 3CN, the conjugated product ( Z ) 5 phenoxy(thio) 4 iodo 3 pentene 2 one 4a(4b) and de conjugated product ( Z ) 5 phenoxy(thio) 4 iodo 3 pentene 2 one 5a(5b) were generated. In the presence of Pd(PPh 3) 4, Et 3N, and CO in toluene, the intramolecular...

Starting from 3 phenoxy(thio) 1 propyne 1a(1b), 5 phenoxy(thio) 3 pentyn 2 ol 2a(2b) were obtained by Grignard reaction. After treating 2a(2b) with Jones reagent, hydroiodination of 3a(3b) with a reagent system of TMSCl/NaI/H 2O in CH 3CN, the conjugated product ( Z ) 5 phenoxy(thio) 4 iodo 3 pentene 2 one 4a(4b) and de conjugated product ( Z ) 5 phenoxy(thio) 4 iodo 3 pentene 2 one 5a(5b) were generated. In the presence of Pd(PPh 3) 4, Et 3N, and CO in toluene, the intramolecular cyclization of reducing products of 4a(4b) and 5a(5b) afforded the target compounds ( Z ) 2 phenoxy(thio) methylene γ pentanolide 9a(9b) and ( Z ) 2 phenoxy(thio) methyl 2 penten γ lactone 8a(8b) respectively in good yields. All compounds have been fully characterized by 1H and 13 C NMR , IR and MS spectroscopy. The one pot deconjugation and hydroiodination of 3a(3b) with a reagent system of TMSCl/NaI/H 2O in CH 3CN was the key step.

以 3 -苯氧 (硫 )基丙炔 ( 1 )为原料 ,经 5步反应合成 ( Z) -2 -苯氧 (硫 )基甲基 -2 -戊烯 -γ-内酯 ( 8)和 ( Z) -2 -苯硫亚甲基 -γ-戊内酯 ( 9) .合成关键步骤为 TMSCl/Na I/H2 O/CH3CN体系中化合物 ( 3 )的碘氢化和去共轭

 
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