您要查找的是不是:
- To synthesize aryl pyrimidines by taking benzene,methyl benzene,acetic ether,1,2-dichloroethane as solvent,the yield and purity of the product are high by taking methyl benzene as solvent. 分别选用苯、甲苯、乙酸乙酯、二氯乙烷作为溶剂合成桂皮酰哌啶,结果表明甲苯作为溶剂时产品纯度高,收率高,可用于大规模生产。
- aryl pyrimidines 桂皮酰哌啶
- Aryl disulfides, for example, inhibit polyolefin oxidation. 例如芳基二硫化物可抑制聚烯烃的氧化。
- The Study in Aza-Diels-Alder Reaction of Aryl Imines with Cyclopentadiene. 芳香亚胺化合物与环戊二烯的Aza-Diels-Alder反应研究
- The most abundant bases are cytosine, thiamine, and uracil (pyrimidines) and adenine and guanine (purines). 最丰富的碱基是胞嘧啶,胸腺嘧啶,尿嘧啶,腺嘌呤和鸟嘌呤。
- The other two, thymine and cytosine, are single ring structures called pyrimidines. 另两个为胸腺嘧啶和胞嘧啶,即称为嘧啶的单环结构。
- Heterocylic aromatics such as pyridine and pyrimidines also give a somewhat similar set of bands in the 1600 cm region. 杂环芳香族结构类如吡啶、嘧啶类化合物在1600厘米-1(6.;25微米)区域也有相似的一组谱带。
- The most effective syhthetic condition for aryl chloroacetates was obtained experimentlly. 讨论了不同反应条件对产率的影响,通过正交实验,探索出了最佳合成条件。
- One of the purines(adenine and guanine) or pyrimidines(cystosine, thymine, and uracil) that occurs attached to the sugar component of DNA or RNA. 碱基嘌呤(腺嘌呤和鸟嘌呤)或嘧啶(胸嘧啶、胸腺嘧啶和尿嘧啶)的一种,附着在脱氧核糖核酸或核糖核酸的糖分子上
- Of or relating to the specific pairing of the purines and pyrimidines between strands of a DNA or an RNA molecule. 互补的指DNA或rna分子链之间特定的嘌呤和嘧啶碱基对的互补
- This paper reports the electron ionization mass spectra(EIMS)of eight 2,4,6trisubstituted pyrimidines derivatives. 本文报道了8个2,4,6-三取代嘧啶衍生物的电子轰击电离质谱。
- Aim To study the synthesis and antidepressant activities of aryl alkanol piperazine derivatives. 摘要目的研究芳烷醇哌嗪类化合物的合成及抗抑郁活性。
- Cesium carbonate catalyzed O-alkylation of phenol to synthesize alkly aryl ethers. 摘要研究了碳酸铯催化酚与卤代烃反应制备烷基芳醚。
- Ten aryl chloroacetates were synthesized by liquid-liquid phase transfer catalysis. 摘要利用液-液相转移催化法合成了10种氯乙酸芳酯。
- One of the purines(adenine and guanine)or pyrimidines(cystosine, thymine, and uracil)that occurs attached to the sugar component of DNA or RNA. 碱基嘌呤(腺嘌呤和鸟嘌呤)或嘧啶(胸嘧啶、胸腺嘧啶和尿嘧啶)的一种,附着在脱氧核糖核酸或核糖核酸的糖分子上
- The reaction kinetics of synthesizing aryl isocyanate by aryl amine and phosgene was studied. 研究了芳胺和光气反应生成异氰酸酯的反应动力学。
- One of the purines(adenine and guanine)or pyrimidines(cystosine,thymine,and uracil)that occurs attached to the sugar component of DNA or RNA. 碱基嘌呤(腺嘌呤和鸟嘌呤)或嘧啶(胸嘧啶、胸腺嘧啶和尿嘧啶)的一种,附著在脱氧核糖核酸或核糖核酸的糖分子上
- This section focuses on pyrazole ketones, indole acetic acids, aryl alkyl acids non-steroidal anti-inflammatory drugs. 本节重点介绍吡唑酮类、邻氨基苯甲酸类、吲哚乙酸类、芳基烷酸类及其他结构类型的非甾体抗炎药。
- Aryl hydrocarbon receptor(AhR)is a member of the basic helix-loop-helix/Per-Arnt-Sim (bHLH/PAS) superfamily. 摘要 芳基烃受体属于碱性螺旋-环-螺旋蛋白超家族的转录因子。
- A convenient synthetic route to 5 - aryl - 3, 5 - diethoxy -2(5H) - furanones has been developed. 提出了一条方便地制备5-芳基-3,5-二乙氧基-2(5H)-呋喃酮化合物的合成路线,并对合成路线的反应机理进行了研究。