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- alkyl borane 烷基硼烷
- Alkyl halides are reacted with sodium nitrite. 卤化烷与亚硝酸钠反应。
- Alkyl bromides can be produced this way. 溴化烷可以这样形成。
- To add one or more alkyl groups to(a compound. 使烷基化在(一种化合物)中添加一个或多个烷基团
- To add one or more alkyl groups to(a compound). 使烷基化在(一种化合物)中添加一个或多个烷基团
- Formation of an alkyl ion occurs according to reactions. 按照反应式生成烷基离子。
- The general answer to this problem is to avoid alkyl halides. 解决这一问题的一般办法是避免使用烷基卤。
- Ingredients: Alga essence, alkyl indican, chamomile essence, etc. 主要成分:海藻精华、烷基糖苷、洋甘菊精华等。
- Ingredients: alkyl indican, cucumber extract, VC, etc. 主要成份:烷基糖苷、小黄瓜提取液、VC等。
- Alkyl indicant is a new non-ionic surface active agent. 烷基糖苷是一类新型的非离子表面活性剂。
- Nitrous esters can react with alkyl peroxides to yield alkyl nitrates. 亚硝酸酯与过氧化烷基反应,得到烷基硝酸酯。
- A new process for synthesis of alkyl polyglycoside (APG) is presented. 介绍了一种烷基糖苷的合成方法。
- Alkyl polyglycoside is an important new type of non-ionic surfactant. 烷基糖苷是一种重要的新型非离子表面活性剂。
- Ingredients: VE, houndfish alkyl, aloe extract, silicon-treated TIO2. 主要成分:维生素E、角鲨烷、芦荟精华、硅处理TIO2。
- Peroxidation of alkyl aromatics is the key step to synthesis of phenols. 烷基芳烃过氧化反应是酚类合成反应的关键步骤。
- This paper indroduced the synthesis methed of norfloxacin by borane compound.The product had high quality and good yield(62 %). 介绍了硼螯化合物合成诺氟沙星的方法,收率高(总收率62%25以上)。
- Polyoxyethylene alkyl phenyl ether is an important non - ionic surfactant. 烷基酚聚氧乙烯醚是重要的非离子表面活性剂。
- Asymmetric borane reduction of prochiral ketones is a good process to the synthesis of enantiomerically enriched secondary alcohols. 硼烷对前手性酮的不对称还原是合成手性仲醇的重要方法。
- The asymmetric reduction of ketosulfone with borane catalyzed by oxazaborolidine is computed by means of the semi-empirical MNDO method. 对恶唑硼烷催化前手性酮砜不对称还原反应进行了半经验MNDO研究。
- The borane modified by chiral oxazoborolidines enantioselectively reduced aliphatic and aromatic ketones to yield sec-alcohols with 100% yield and medium to high optical yields. 硼烷-手性(口恶)唑硼烷-还原体系能将脂肪酮和芳香酮还原为仲醇,化学还原收率町达100%25,光学收率也比较高。