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- proehiral ketones 前手性酮
- These reactions are therefore used to discern between ketones and aldehydes. 这些化学反应因此被用来区分醛类和酮类。
- It is produced by the reduction of fuchsin by sulfurous acid, and is oxidized by aldehydes and ketones, restoring the magenta color of the fuchsin. 配法是用亚硫酸使品红溶液还原，若有醛酮类存在时便使之氧化而重新呈现品红本身的洋红色。
- It has exceptionally good weather aging and ozone resistance. It is fairly good in ketones and alcohols. 这种材料具有比较突出的抗自然老化和抗臭氧腐蚀的性能。对于甲酮和乙醇,这种材料也具有很好的抗腐蚀性能。
- Ketones are found in unusual amounts in the urine of diabetics and people suffering from faulty fat metabolism. 糖尿病患者的尿中丙酮量出现异常，并且患者脂肪代谢出现故障。
- The reaction of sulfate with aldehydes and ketones has been known for many years. 大家知道硫酸盐能与醛类和酮类反应已有许多年了。
- REDOX Relationships amongst Alcohols, Aldehydes and Ketones and Carboxylic acids. 醇，醛与酮和羧酸之间的氧化还原关系。
- In aprotic solvents magnesium effects pinacol reductive coupling of aldehydes and ketones. 在非质子性溶剂，镁对频纳醇与醛和酮的还原耦合反应也有一定效果。
- It included hydroxylic acids,hydrocarbons,alcohols,esters,aldehydes,ketones,aromatic compounds,and steroids,etc. 呈现有较高的隐性致死作用。
- Any of a group of compounds containing a CNOH group, formed by treating aldehydes or ketones with hydroxylamine. 肟任何一类含有CNOH组的合成物，主要由羟胺与醛或酮作用形成的
- The development in the oxidation of olefins to ketones catalyzed by palladium compounds was reviewed. 本文系统地评述了钯配合物催化烯烃氧化合成酮类物质的研究进展。
- Synthesis of phenylcyclohexane trifluoromethyl ketones by lithium reagent is studied and the yield of reaction is 60%. 通过锂试剂的方法，合成了三氟甲基苯基环己基酮化合物，反应产率达到60%25。
- 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。
- The oxidation of alcohols to aldehydes or ketones is one of the fundamental transformation in organic synthesis. 醇被氧化为相应的醛或酮是有机合成中重要的官能团转换反应之一。
- The oxidation of alcohols to aldehydes or ketones is one of the fundamental transformations in organic synthesis. 醇被氧化为相应的醛或酮是有机合成中重要的官能团转换反应之一。
- The advances in asymmetric reduction of prochiral ketones to chiral alcohols with biocatalysis are reviewed. 综述了国内外利用生物催化羰基的不对称还原合成手性醇的研究情况。
- Conclusion The pollution of VOCs and aldehyde ketones in indoor air is ubiquity in newly-built. 空气中甲醛随使用时间的延长呈现伴夏季升高的螺旋样下降趋势；
- Limitedly resistant to vegetable oil and strong solvents, such as ketones and esters. 但不耐无机酸、碱及强氧化物溶液。
- Progress in piancol coupling of aldehydes and ketones using low valent titanium is reviewed in recent years. 论文综述了低价钛还原偶联醛酮合成片呐醇的进展,在超声辐射下进行了片呐醇的合成,全文共分为四章。
- "The keto form predominates in many aldehydes and ketones, the enol form in ph enol s. 在许多醛和酮中酮基都是最主要的组分。
