(R)-苯基乙二醇,(R)-1-phenyl-1,2-ethanediol
1)(R)-1-phenyl-1,2-ethanediol(R)-苯基乙二醇
1.0 g/L,the variant showed excellent performance to give (R)-1-phenyl-1,2-ethanediol with optical purity of 93.0g/L2-羟基苯乙酮)下,优化突变株不对称转化效率较高,产物(R)-苯基乙二醇的光学纯度和产率分别为93。
2.The effects of reaction temperature,pH value,initial substrate concentration,reaction duration,cell concentration and forms on biotransformation reaction for preparation of(R)-1-phenyl-1,2-ethanediol were studied with 2-hydroxyacetophenone and sodium formate as substrates and the whole cells of E.coli Rosetta/pETDuet-rcr-fdh全细胞为催化剂,2-羟基苯乙酮和甲酸钠为双底物,研究了生物催化反应体系中温度、pH值、底物2-羟基苯乙酮的初始浓度、反应时间、细胞浓度和状态等对产物(R)-苯基乙二醇生成效率的影响规律。
英文短句/例句
1.Preparation of(R)-1-Phenyl-1,2-ethanediol by Biotransformation with a Coupled System of(R)-Specific Carbonyl Reductase and Formate Dehydrogenase羰基还原酶与甲酸脱氢酶偶联催化制备(R)-苯基乙二醇
2.Construction of an enzyme-coupled system consisting of (R)-and (S)-specific carbonyl reductases for one-step preparation of (S)-1-phenyl-1,2-ethanediol(R)与(S)-羰基还原酶偶联一步法制备(S)-苯乙二醇
3.Phenobarbital diethylaminoethanol苯巴比妥－二乙基氨乙醇
4.EMGP (Ethylmethylglycol Phthalate)邻苯二甲酸乙基甲基乙二醇酯
5.hylene etheralcohol乙基二甲苯聚氧乙烯醚醇
6.Synthesis of (S)-1-phenyl-1,2-ethanediol(S)-1-苯基-1,2-乙二醇的合成
7.polyethylene glycol terephthalate聚对苯二甲酸乙二醇酯
8.ethylene terephthalate对苯二甲酸乙二[醇]酯
9.It is also known that sodium ethylate and diethyl phenylmalonate interact together to give ethyl Phenylacetate and diethyl carbonate.众所周知，乙醇纳和二乙基苯基丙二酸酯反应可以得到乙基乙酸苯酯和二乙基碳酸酯。
10.The Synthesis of Diethylene Glycol Binary m-Methyl Benzoate Plasticizer二乙二醇二间甲基苯甲酸酯增塑剂的合成
11.The catalytic activity of styrene-divinyl benzene resin supported binuclear cobalt phthalocyanine on 2-mercaptoethanol苯乙烯-二乙烯苯树脂负载双核钴酞菁对巯基乙醇的催化性能
12.Synthesis of N,N"-Di-sec-butyl-p-phenylenediamine in Ethanol Solvent乙醇溶剂法合成N,N′-二仲丁基对苯二胺的研究
13.Study of Catalysts for the Vapour-phase Synthesis of Guathol (Guaiacol) with Catechol and Ethanol (Methanol)邻苯二酚和乙（甲）醇气相单醚化合成邻羟基苯乙（甲）醚催化剂的研究
14.Polyethylene glycol 400 catalysis for p-Cyanol phenol etherified reaction聚乙二醇400催化对氰基苯酚的醚化反应研究
15.Catalytic Synthesis of Ethylene Glycol Diacetate with ρ-Toluene Sulpthonic Acid;对甲苯磺酸催化合成二乙酸乙二醇酯
16.styrene dibromideα,β-二溴乙基苯
17.styrene dichlorideα,β-二氯乙基苯
18.Glycol monomethyl ether, propylene glycol monomethyl ether, ethanol, and eth yleneglycol monophenylether were used as solvents.选择丙二醇甲醚,乙二醇甲醚,丙醇,一半乙二醇甲醚一半乙醇,乙二醇苯醚作为溶剂。
相关短句/例句
R-phenylglycolR-苯基乙二醇
3)(R,R)-hydrobenzoin(R,R)-二苯基乙二醇
4)(R)-p-nitrophenylglycol(R)-对硝基苯乙二醇
5)(R)-(-)-1-Phenyl-1,2-ethanediol(R)-1-苯基-1,2-乙二醇
6)(R)-1-phenylethanolR-苯乙醇
1.Furthermore,it showed high enantioselectivity when (RS)-1-phenylethyl acetate was selected as substrates,generating optically-pure(R)-1-phenylethanol in short time.在25℃,R-苯乙醇转化率达到92%左右,得到ee_p为97。
延伸阅读
苯基乙二醇分子式：C8H10O2分子量：138.17CAS号：93-56-1性质：白色针状结晶。熔点69-70℃，沸点272-274℃。易溶于水、醇、醚和苯，微溶于石油醚，但易溶于热石油醚。制备方法：由苯乙烯与溴反应生成1,2-二溴苯乙烷，再经水解而得苯基乙二醇。将苯乙烯加入石油醚中，在冷却下滴加溴，控制温度在15℃以下，加完后搅拌1h，过滤出1,2-二溴苯乙烷白色结晶，将其与水、碳酸力钾回流20h。冷却，分去上层油状物，水层加碳酸钾饱和后析出油层。分出油层。水层用苯提取。提取液与油层合并，经干燥后回收苯，然后减压蒸馏出苯基乙二醇。用途：用于有机合成。
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