4-羟基-2-丁酮,4-hydroxy-2-butanone
1)4-hydroxy-2-butanone4-羟基-2-丁酮
1.The Separation Research of 4-hydroxy-2-butanone Liquid Mixture;4-羟基-2-丁酮混合物的分离研究
2.The Study on the Synthetic Condition for 4-Hydroxy-2-Butanone ──One of the study for Synthesis of“Raspberry Ketone”;4-羟基-2-丁酮合成条件的研究──香料复盆子酮的合成研究之一
3.In this work,the reduction of reactions of 4-hydroxy-2-butanone(4H2B) into chlorine 1,3-butanediol catalyzed by yeast cells will be studied.国外文献中已经对采用微生物法立体选择性还原羰基化合物制备该手性醇进行了相关报道,本文将对微生物法还原4-羟基-2-丁酮(4H2B)制备光学纯(R)-1,3-丁二醇进行初步的探索。
英文短句/例句

1.Asymmetric Bioreduction of 4-hydroxy-2-butanone to (R)-1, 3-butanediol by Yeast酵母不对称还原4-羟基-2-丁酮为(R)-1,3-丁二醇的初步研究
2.NEW SYNTHETIC METHOD FOR CIS-4-HYDROXYMETHYL-3-CARBOBENZOXYAMINO-2-AZETIDINONE顺-4-羟甲基-3-苄氧羰酰胺基-2-吖丁啶酮的新合成方法
3.Synthesis and Biological Evaluation of 4-(p-hydroxyphenyl)-3-buten-2-one and Its Derivatives;4-(p-羟基苯基)-3-丁烯-2-酮及其衍生物合成、活性研究
4.Researching the Optimum Condition of Making 4-(o-hydroxyphenyl)-3-butene-2-ketone by Orthorhombic experiment method;正交试验法制取4-邻羟基苯基-3-丁烯-2-酮的研究
5.Synthesis of 2-Hydroxy-4-Benzyloxybenzophenone2-羟基-4-苄氧基二苯甲酮的合成
6.Synthesis of(2S,3S)-3-amino-2-hydroxy-4-phenylbutanamide(2S,3S)-3-氨基-2-羟基-4-苯丁酰胺的合成
7.Synthesis of 6-Ethoxymethyl-4'-N,N-dibutylamino-3-hydroxyflavone6-乙氧甲基-4'-N,N-二丁氨基-3-羟基黄酮的合成
8.Fabrication of 4-Phenyl-2-Butanone;4-苯基-2-丁酮及其加成物的合成
9.Synthesis of 4-Acetoxy-2-azetidinone4-乙酰氧基-2-氮杂环丁酮的合成
10.2-Hydroxy-4-methoxy-5-arsonic acid-acetophenone;2-羟基-4-甲氧基-5-胂酸基-苯乙酮的合成
11.Synthesis of 5-Ethyl-3-hydroxy-4-methyl-2(5H)-furanone3-羟基-4-甲基-5-乙基-2(5H)-呋喃酮的合成
12.Enantioselective Hydrogenation to Synthesize Ethyl (R)-2-Hydroxy-4-Phenylbutyrate;不对称催化加氢合成(R)-2-羟基-4-苯基丁酸乙酯
13.Chemo-Enzymic Synthesis of (R)-2-hydroxy-4-phenylbutyric Acid Ethyl Ester;化学-酶法合成(R)-2-羟基-4-苯基丁酸乙酯的研究
14.Biocatalytic Synthesis of Ethyl (R)-2-Hydroxy-4-Phenylbutyrate生物催化制备(R)-2-羟基-4-苯基丁酸乙酯
15.Results:The substance was identified as 22 hydroxy 23, 24 bisnorchol 4 ene 3 one.结果 :待鉴定产物为 2 0 羟基 2 3,2 4 二降胆 4 烯 3 酮。
16.SYNTHESIS OF 2,4-DIHYDROXYBENZENEACETONESCHIFF BASES;两个 2 ,4 -二羟基苯乙酮西佛碱的合成(英文)
17.Infrared Spectroscopic Studies of Acetoin and Diacetone Alcohol in Several Solvents3-羟基-2-丁酮、二丙酮醇在几种溶剂中的红外光谱研究
18.Synthesis of α-Bromo-(2-hydroxy-4-methylsulfonamido-5-phenoxy) acetophenoneα-溴-(2-羟基-4-甲磺酰胺基-5-苯氧基)苯乙酮的合成
相关短句/例句

4-(4-Hydroxyphenyl)-2-butanone4-(4-羟苯基)-2-丁酮
3)hydroxymethylene acetone4-羟基-2-丁烯-2-酮
4)4-parahydroxy-pheny1-2-butanone4-对羟基苯基-2-丁酮
1.Taking methylaldehyde,acetone and phenol as raw and processed materials,4-parahydroxy-pheny1-2-butanone was synthesized with two steps.以甲醛、丙酮、苯酚为原料,两步合成4-对羟基苯基-2-丁酮,其收率(基于甲醛)可达70
5)4-(4'-hydroxyphenyl)-2-butanone4'-羟基苯基-2-丁酮
1.Conclusion Among these compounds, 4-(4′-hydroxyphenyl)-2-butanone, 4-(4′-hydroxyphenyl)-2-butanone-4′-O-β-D-(2″-.结论 4′-羟基苯基-2-丁酮(9)、4′-羟基苯基-2-丁酮-4′-O-β-D-(2″-O-桂皮酰基-6″-O-没食子酰基)-葡萄糖苷(12)和4′-羟基苯基-2-丁酮-4′-O-β-D-(2″-O-没食子酰基-6″-O-(4″′-羟基)-桂皮酰基)-葡萄糖苷(13)为首次从该种植物中分离得到。
6)4-(4-Hydroxyphenyl)-2-butanone4-(对羟基苯基)-2-丁酮
延伸阅读

4-羟基-2-丁酮分子式:C4H8O2分子量:88.11CAS号:590-90-9性质:该品存在于烟草的烟中,沸点109-110℃(4.0kPa),90℃(1.47kPa)。与水、乙醇、乙醚混溶。制备方法:由丙酮和甲醛反应而得。将甲醛溶液与丙酮按1:30(重量)混合,送入管道反应器,温度51-53℃,停留时间3-4min。在维生素A的中间体甲基乙烯酮的生产中,生成的4-羟基-2-丁酮反应液直接用于下道工序,用草酸脱水得至甲基乙烯酮。用途:医药中间体。