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- Calix[4]arenes bearing ester pendants in the lower rim were prepared by a convenient method using the more economical and less toxic ethyl chloroacetate/alkali metal iodide as an alkylating reagent. 采用更为经济和毒性较小的氯乙酸乙酯-碱金属碘化物体系作烷基化试剂;方便地制得了下缘带有酯基基团的杯[4]芳烃.
- alkylation reagent 烷基化试剂
- The phenols were O-alkylated with 100% conversion and 100% selectivities using phenacyl bromide and benzyl bromide as alkylating reagents. 用溴代苯乙酮和溴苄为烷基化试剂,以高产率和100%25的转化率以及100%25的选择性得到了酚的O-烷基化产物。
- Keywords 2;6-dialkylnaphthalene;selective alkylation;zeolite;solvent;alkylating reagent; 二烷基萘;择形烷基化;分子筛;溶剂;烷基化试剂;
- Alkyl halides are reacted with sodium nitrite. 卤化烷与亚硝酸钠反应。
- The reagent possesses specificity for water. 这种试剂对水有特殊的作用。
- Alkyl bromides can be produced this way. 溴化烷可以这样形成。
- L-Methyl glyoxylate is an important chiral reagent. 二羟乙酸L-薄荷酯是一种重要的手性试剂。
- This invention concerns an alkylation process. 本发明涉及烷基化方法。
- This reagent attacks feldspars and dark minerals. 这种反应物质侵蚀长石和音色矿物。
- The influence of reaction temperature and time,solvent and the molar ratio of starting materials on alkylation of tin with the Grignard reagent was investigated. 探讨了溶剂种类、时间、温度、原料配比等因素对格氏试剂和锡的烷基化反应的影响。
- 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
- Luoyang Tiancheng Chemical Reagent Co., Ltd. 洛阳天骋化学试剂有限公司。
- 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
- Tianjin Damao Chemical Reagent Co., Ltd. 天津大茂化学试剂公司。
- BEIJING HENGJU OILFIELD CHEMICAL REAGENT CO., LTD. 北京市恒聚油田化学剂有限公司。
- They often use oriole reagent in their experiments. 他们在实验过程中，要经常用到吡咯试剂。
- The synthesis methods of hexamethyldisilane, such as reductive coupling reaction, Grignard reagent alkylation, electrochemical reduction et al, were recounted in details. 综述了近年来国外关于六甲基二硅烷的合成工艺(还原耦合法、格氏试剂法、电解还原法等);
- 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。
