苯乙酮

  • 网络acetophenone;acetophenon;Acetophenones;Acetylbenzene;phenylethanone
苯乙酮苯乙酮
  1. 4-(N,N-二乙基胺基)苯乙酮的制备

    Preparation of 4 - ( N , N - Diethylamino ) acetophenone

  2. {RuCl2{(R)-P-Phos}(R,R)-DPEN}催化苯乙酮不对称加氢的研究

    Studies on 〔 RuCl_2 { ( R ) - P-Phos } ( R , R ) - DPEN 〕 Catalytic Properties in the Hydrogenation of Acetophenone

  3. 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

  4. 对氨基苯乙酮与Ni(Ⅱ)的配合物的合成与热色性

    Synthesis and Thermochromism of Coordination Compound of 4-Aminoacetophenone and Ni (ⅱ) Chloride

  5. 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 .

  6. Ru-(S)-BINAP/γ-Al2O3催化剂上苯乙酮及其衍生物的多相不对称加氢反应

    Heterogeneous Asymmetric Hydrogenation of Acetophenone and Its Derivatives over Ru - ( S ) - BINAP / γ - Al_2O_3

  7. 对氨基苯甲酸乙酯与苯乙酮和芳香醛的Mannich反应

    The Mannich reaction of 4 Aminobenzoate with acetophenone and aromatic aldehydes

  8. 高的Pd负载量有利于苯乙酮转化率的提高,降低Pd的负载量有利于提高产物的对映选择性;

    The conversion of acetophenone increases with an increase of the Pd loading , but the enantiomeric excesses of 1-phenyl ethanol is higher at lower Pd loading .

  9. 稀土甲基磺酸盐催化苯乙酮、芳香醛和芳香胺的Mannich反应

    Rare Earth Methanesulfonate Catalyzed Mannich Reaction of Acetophenone , Aromatic Aldehyde and Aromatic Amine

  10. 2,6-二取代苯乙酮苯腙在多聚磷酸(PPA)存在下的成环反应

    Cyclizations of 2 , 6-Disubstituted Acetophenone Phenylhydrazones in the Presence of Polyphosphoric Acid

  11. 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 .

  12. 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 .

  13. 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

  14. 催化苯乙酮的不对称氢转移反应,反应2小时转化率可达99%,ee值84%。

    The asymmetric transfer hydrogenation of acetophenone could complete in 2 hours , with the conversion of 99 % and ee values of 84 % .

  15. 树脂的FT-IR和1H-NMR图谱表明苯乙酮甲基上的α-H与甲醛发生缩聚反应。

    The FT-IR and ~ 1H-NMR results showed that the α - H of the methyl of acetophenone reacted with formaldehyde by way of polycondensation .

  16. 通过酰基化、Fries重排、氯甲基化和氰化合成2-羟基-3-氰甲基-5-甲基苯乙酮,获得了满意的收率(88.5%)。

    The synthesis was accomplished via acylation , Fries rearrangement reaction , chloromethylation and cyanation , and a good yield ( 88.5 % ) was obtained .

  17. 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

  18. Yb(OTf)3催化苯乙酮、芳香醛和芳香胺的Mannich反应:三组分一锅法合成β-氨基酮衍生物

    Yb ( OTf ) _3 Catalyzed Mannich Reaction of Acetophenone with Aromatic Aldehydes and Aromatic Amines : Three Component One-pot Synthesis of β - Amino Ketone Derivatives

  19. 所测定的八种VOCs为苯乙酮,苯酚,三氯甲苯,1,3丁二烯,氯苯,甲醇,三氯代乙烷和二氯甲烷。对氯仿敏感;

    The eight VOCs were acetophenone , phenol , benzotrichloride , 1 , 3-butadiene , chlorobenzene , methanol , methyl chloroform and methylene chloride . They were mixed together with very low concentrations .

  20. 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

  21. 在75℃下,以Cu-HMS为催化剂,O2为氧化剂的纯异丙苯氧化反应,苯乙酮为主要副产物,反应的选择性和转化率都很高。

    Both the selectivity and conversion of the reaction were high using Cu-HMS as catalyst and O 2 as oxidant at 75 ℃ . Acetophenone was the main by-product .

  22. 苯乙酮双缩硫代对称二氨基脲与CuCl2、NiCl2、CoCl2配合物及其抗癌活性研究

    Studies on CuCl_2 , NiCl_2 , CoCl_2 complexes and their anticancer activities of 1 , 5-bis ( acetophenone ) thiocarbohydrazone

  23. CS-MCM-48复合载体固定化脂肪酶催化苯乙酮一锅法还原转酯化拆分反应

    One-pot Reduction and Transesterification Resolution of Acetophenone Catalyzed by Lipase Immobilized on MCM-48 Coated Chitosan

  24. 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 .

  25. 在磷酸盐缓冲溶液-异辛烷混合溶剂中制备了固定化假单胞菌脂肪酶(PseudomonasCepaciaLipase,PSL)PSL/CS-MCM-48,并用于潜手性苯乙酮一锅法还原转酯化手性拆分反应。

    The lipase ( Pseudomonas Cepacia Lipase , PSL ) was immobilized on the CS-MCM-48 in a mixed solvent of phosphate buffer solution and isooctane and used for one-pot reduction and transesterification synthesis of pure enantiomers from prochiral acetophenone .

  26. 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 .

  27. 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 .

  28. 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 .

  29. 本论文以苯乙酮和氯乙酸乙酯为原料,经Darzens缩合、酯基水解、脱羧、氧化反应过程合成了2-苯基丙酸,全合成产率为63.4%,对其工艺过程进行了研究和优化。

    In this dissertation , the 2-phenylpropionic acid was synthesized in a total yield of 63.4 % by Darzens condensation , hydrolysis of ester , decarboxylation and oxidation with acetophenone and ethyl chloroacetate as starting materials .

  30. 以二氧化硅负载壳聚糖-钯络合物(SiO2-CS-Pd)为催化剂,在常温且氢气压力恒定为1.0×105Pa下,以乙醇为溶剂催化苯乙酮加氢生成1-苯基乙醇,用气相色谱仪跟踪反应进程。

    Chitosan-palladium complex ( SiO2-CS-Pd ) is used as catalyst to catalyze the hydrogenation of acetophenone at normal temperature and 1.0 × 105 Pa H2.GC is used to test the reaction course .