羟基苯乙酮

羟基苯乙酮羟基苯乙酮
  1. 重组大肠杆菌不对称还原2-羟基苯乙酮合成(R)-苯基乙二醇

    Synthesis of ( R ) - 1-phenyl-1,2-ethanediol by stereospecific reduction of

  2. 参照弗瑞斯(Fries)重排反应合成了对羟基苯乙酮。

    P - Hydroxyacetophenone was synthesized according to Fries rearrangement reaction .

  3. 利用β-环糊精对底物的包络作用,经由Fries重排反应选择性合成了邻羟基苯乙酮。

    Using the inclusion action of β - Cyclodextrin with phenyl acetate , 2-Hydroxy-acetophenone was Synthesized via Fries rearrangement reaction .

  4. 重组菌在IPTG诱导下进行表达,并对2-羟基苯乙酮进行不对称催化还原。

    After the induction of IPTG , the recombinants were applied to conduct asymmetric reduction of 2-hydroxyacetophenone .

  5. 双波长RP-HPLC法同时测定茵陈蒿中绿原酸、咖啡酸和对羟基苯乙酮的含量

    RP-HPLC simultaneous determination of chlorogenic acid , caffeic acid and 4-hydroxyacetophenone in herb of Artemisia capillaris Thunb . under different UV-vis wavelengths hydroxy acetophenone

  6. 3,4-二羟基苯乙酮(DHAP)对离体心肌电活动和机械活动的作用

    Effects of 3,4-dihydroxyacetophenone ( dhap ) on Electrical and mechanical activities in isolated myocardium

  7. 对合成化合物进行了光谱性能测定,实验结果表明,基态下,分子中恶二唑基团与卟啉基团相对独立,没有相互作用;水杨醛邻羟基苯乙酮缩苯胺类Schiff碱的IR和~1HNMR性质

    Results of spectral property study indicate that there is no interaction between porphyrin moiety and oxadiazole moiety in the molecula in ground state . IR and  ̄ 1HNMR Spectral Property of Schiff bases from Salicylaldehyde and 2-Hydroxyacetophenone with Aromatic amines

  8. 分别用AA和合成的前列腺素内过氧化物为底物,研究3,4-二羟基苯乙酮(DHAP)对AA代谢影响的作用机理,结果表明DHAP是一种特异的环加氧酶抑制剂。

    In addition , we studied mechanism of action of DHAP on AA metabolism by using AA and prostaglandin endoperoxides as substrates respectively , and results indicated that DHAP is a specific inhibitor of cyclooxygenase .

  9. 离子交换法制备的RuCo分子筛载体催化剂,使用后的催化剂上可观察到邻羟基苯乙酮的官能团。

    Some functional groups of o-hydroxyl phenyl acetone have been observed by FTIR analysis on RuCo catalyst after reaction .

  10. 目的为了合成新的荧光试剂2-羟基苯乙酮缩-2-羧基苯胺(HAFC)并研究其在测定痕量金属铝离子方面的应用。

    Aim To synthesize a new fluorescent reagent 2-hydroxyacetophenone-2-formicanil ( HAFC ) and analyse its use in the determination of trace aluminum .

  11. 4羟基苯乙酮或2,4二羟基苯乙酮与取代苯甲醛在乙二醇溶液中,以硼酸为催化剂,于110~120℃反应6h,再经柱分离精制得羟基查尔酮衍生物。

    Chalcones can be prepared through condensation of 4-hydroxyl acetophenone or 2,4-dihydroxyl acetophenone with substitued benzaldehydes in ethyl glycol solution , using the catalyst of boric acid at 110 ~ 120 ℃ in 6 h. The product was purified by the flash chromatography on silica gel .

  12. 3,4-二羟基苯乙酮抑制培养兔主动脉平滑肌细胞的增殖

    3,4-Dihydroxyacetophenone inhibits the proliferation of rabbit aortic smooth muscle cells in culture

  13. 合成了一种新的双席夫碱荧光试剂&双(2,4二羟基苯乙酮)缩肼。

    A new fluorescent reagent bis ( 2,4-dihydroxyacetophenone ) hydrazine was synthesized .

  14. β-环糊精选择性催化合成邻羟基苯乙酮

    Synthesis of 2 - Hydroxy - acetophenone by β - Cyclodextrin Selective Catalysis

  15. 3,4-二羟基苯乙酮对家兔血小板释放血栓素A2的影响

    Effect of 3,4-dihydroxyacetophenone on TXA2 release from rabbit platelet

  16. α-溴-4-羟基苯乙酮的合成研究

    Synthesis of α - Bromo - 4 - hydroxyacetophenone

  17. 3-羟基苯乙酮的化学分析法

    Chemical analyses of 1 - ( 3-hydroxyphenyl ) ethanone

  18. 高收率制备中间体2,4-二羟基苯乙酮

    Preparation of intermediate 2,4-dihydroxy acetophenone with high yield

  19. 双-(2,4-二羟基苯乙酮)缩肼的合成及其与锶的荧光猝灭反应

    Synthesis of Bis ( 2,4-dihydroxyacetophenone ) hydrazine and Its Fluorescence Quenching Reaction with Strontium Ions

  20. 2,4-二羟基苯乙酮缩氨基硫脲与铜锌、钴、镍离子配合物及其抑菌活性

    Copper , Zinc , Cobalt , Nickel Ions Complexes Of 2,4-Dihydroxyacetophenone Thiosemicarbazone And Their Antibacterial Activities

  21. 3,4-二羟基苯乙酮对缺氧所致猪肺动脉平滑肌细胞增殖的影响

    The Effect of 3,4-dihydroxyacetophenone on Hypoxia-induced Proliferation of the Smooth Muscle Cells in Porcine Pulmonary Artery

  22. 4-二羟基苯乙酮对大鼠肺内动脉平滑肌细胞钾电流的影响

    Effect of 3,4-Dihydroxyacetophenone on delayed rectifier potassium current of the intrapulmonary artery smooth muscle cells in rats

  23. 多羟基苯乙酮的α-溴化反应研究

    Study on Bromination of Hydroxyacetophenones

  24. 2,4-二羟基苯乙酮腙类试剂的合成

    Synthesis of 2,4-dihydroxyacetophenone hydrazones

  25. 方法:以甲醇为溶剂,以对羟基苯乙酮和溴为原料制备了α-溴-4-苄氧苯基苯乙酮。

    Methods : α - Bromo-4-benzyloxy acetophenone is synthesized with 4-hydroxy acetophenone and bromonium as materials and methanol as solvent .

  26. 微波加热三氯化铝催化合成邻羟基苯乙酮三氯化铝乙醚络合物催化合成重烷基苯

    Synthesis of O-phenol Ethyl Ketone With AlCl_3 as Catalyst in Microwave Field SYNTHESIS OF HEAVY ALKYLBENZENE CATALYZED BY COMPLEX OF ALUMINUM CHLORIDE AND ETHER

  27. 实验结果表明,加入β-环糊精能够提高重排反应的选择性,使邻羟基苯乙酮收率达到44.6%。

    The results indicated that it could improve the selectivity of Fries rearrangement reaction by adding β - Cyclodextrin . The yield of the ortho-product reached 44.6 % .

  28. 概述了4羟基香豆素的合成方法,重点介绍了苯酚法,乙酰水杨酸法,水杨酸甲酯法,邻羟基苯乙酮法。

    The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol , 2-acetylsalicylic acid , methyl salicylate , and o-hydroxyacetophenone respectively .