β-羰基砜,β–keto sulfones
1)β–keto sulfonesβ-羰基砜
1.After consulting a lot of literatures, this dissertation, we describe the design and synthesis of a series ofβ–keto sulfones, and the realization of DKR of these substrates via asymmetric transfer hydrogenation reaction.本论文中,我们在有关不对称氢转移反应诱导动态动力学拆分文献综述的基础上,设计合成了一系列β-羰基砜,对其进行不对称氢转移反应,实现了动态动力学拆分。
英文短句/例句
1.Dynamic Kinetic Resolution of β-Keto Sulfones via Direct Aldol Reaction--Synthesis of Chiral β-Hydroxysulfonesβ-羰基砜的不对称直接Aldol反应动态动力学拆分——手性β-羟基砜的合成
2.Study on the Cyclization of Functionalized Sulfoxides Based on α-Oxo Ketene Dithioacetals;基于α-羰基二硫缩烯酮的官能化亚砜的环合反应研究
3.Researches on Synthesis of 4-aminophenyl-β-sulfatoethylsulfone;4-氨基苯基-β-羟乙基砜硫酸酯的合成研究
4.Systhesis and Characterization of β - Methoxycarbonylethyltin Chloride Complexes;β-甲氧羰基乙基氯化锡配合物的合成与表征
5.The Transesterif ication of β - Methyl - β - methoxycarbonylethyltin Trichloride and Tts Complexesβ-甲基-β-甲氧羰基乙基三氯化锡及其配合物的酯交换反应研究
6.Study on Poly(ether ketone ether ketone ketone)Modified with 4,4′ Bis(β naphthoxy)diphenylsulfone4,4′-二(β-萘氧基)二苯砜改性聚醚酮醚酮酮的研究
7.Study on the Inclusion Compound of Thiamphenicol with Hydroxypropyl-β-cyclodextrin;羟丙基-β-环糊精对甲砜霉素包合作用的研究
8.Preparation and Identification of Inclusion Complex of Thiamphenicol HP-β-cyclodextrin甲砜霉素羟丙基-β-环糊精包合物的研制
9.Radioactive synthesis of β-elemene Re(CO)_3 derivativeβ-榄香烯三羰基铼衍生物的放射化学合成
10.Asymmetric Reduction of β-Carbonyl Ester with Baker s Yeast;面包酵母催化β-羰基酯类不对称还原研究
11.Study on the synthesis of bis(β-butyloxycarbobnylethyl)tin dichlorides;双(β-丁氧羰乙基)二氯化锡合成工艺研究
12.Selective α-Monobromination of β-Dicarbonyl Compound with [Bmim]Br_3[Bmim]Br_3与β-二羰基化合物的选择性溴化反应研究
13.Study on the New Synthetic Technology of 2-(4-aminophenylsulfonyl)ethyl Hydrogen Sulfate对氨基苯基-β-羟乙基砜硫酸酯的合成新工艺研究
14.Cu(OAc)_2·H_2O/Biimidazoles, Iodobenzene Diacetate Promoted Reactions of Sulphoxide with 1, 3-dicarbonyl Compounds;二醋酸碘苯、二价铜离子及联咪唑促进下的1,3-二羰基化合物与亚砜的反应研究
15.Convenient Asymmetric Direct α-Phenylethynylation of β-Dicarbonyl Compounds简便的β-二羰基化合物直接不对称α-苯乙炔基化反应
16.Preparation, Identification and Pharmacokinetics Study of Thamphenicol-hydroxypropyl-β-cyclodextrin Inclusion Complex甲砜霉素—羟丙基-β-环糊精包合物的制备、鉴定与药代动力学研究
17.Preparation and Mensuration of Thiamphenicol-hydroxypropyl-β-cylodextrin Inclusion甲砜霉素羟丙基-β-环糊精包合物测定方法和制备工艺
18.Syntheses of New Biferrocene Derivatives Containing a α,β-Unsaturated Carbonyl Bridge and Their Langmuir Monolayers新型α,β-不饱和羰基桥联双二茂铁衍生物的合成及其成膜性
相关短句/例句
β ketosulfones多取代β-羰基砜
3)α,β phenylsulfonyl carbonyl sulfonesα,β-不饱和酯基或羰基苯砜
4)β-Hydroxysulfonesβ-羟基砜
5)ketoamideβ-羰基酰胺
6)2-alkyl-β-keto aldehyde2-烷基-β-羰基醛
延伸阅读
1-[β,β,β-三(对氯苯基)丙酰]-4-甲基哌嗪分子式:C26H25CL3N2O分子量:487.85CAS号:2390-22-9性质:该品溶点213-215℃。作兽用驱虫药时常用基盐,又称Dieroden。盐酸盐的熔点为267-269℃,易溶于热水和醇。制备方法:以三(对氯苯基)甲醇(Ⅰ)为原料,与氰乙酸加成得β,β,β-三(对氯苯基)丙腈(Ⅱ),经浓硫酸水解得β,β,β-三(对氯苯基)丙酸(Ⅲ),再用五氯化磷酰氯化,得到β,β,β-三(对氯苯基)丙酰氯(Ⅳ),最后与N-甲基哌嗪缩合制得海涛林。用途:该品为治疗牛、羊矛形腔吸虫病的高效药物,具有作用强、驱虫率高(96%以上)、毒性低、适口性好等优点,国外畜牧业应用十分广泛。
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