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- Alkyl halides are reacted with sodium nitrite. 卤化烷与亚硝酸钠反应。
- 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。
- Preparation of unsymmetrical selenides via the reaction of arylselenol with alkyl halides needs at least equal molar cesium hydroxide as the base. 通过卤代烃与硒酚反应合成了不对称硒醚,至少要使用等摩尔的氢氧化铯作碱,与氢氧化钾相比,氯化铯价格昂贵。
- Using cesium carbonate as catalyxer and potassium carbonate as base,reacting directly phenol with alkyl halides in refluxing acetonitrile will give alkyl aryl ethers in good yields. 以碳酸铯作催化剂;碳酸钾作碱;以乙腈作溶剂;在回流的条件下酚与卤代烃反应高产率得到烷基芳醚.
- These derivatives are readily obtained by alkylation of 2-mercaptopyridine and alkyl halides under alkaline conditions. 这些衍生物可以容易地在碱性条件下通过2-巯基吡啶和卤代烷的烷基化而得到。
- Alkylation of wheat straw alkaline lignin was conducted by reacting lignin with different alkyl halides. 用不同的卤代烷烃与碱木质素进行烷基化反应。
- alkyl halides are reacted with sodium nitrite 卤化烷与亚硝酸钠反应。
- This reaction, called the Hofman elimination, is quite analogous to the dehydrohalogenation of an alkyl halide. 这个反应称为Hofman消除反应，它很像卤代烷的脱卤化氢反应。
- Grignard reagents react with ethylene oxide to yield primary alcohols containing two more carbon atoms than the alkyl halide from which the organometallic compound was prepared. 格氏试剂与乙撑氧发生反应，产生含有比配置有机金属化合物的烷基卤多两个碳原子的伯醇。
- He likes to lord it over the junior staff. 他喜欢对下级职员逞威风。
- He is studying at a junior middle school. 他正在上初中。
- She attend a course for junior hotel manager. 她参加初级饭店经理课程。
- He is junior to me by two years. 他比我小两岁。
- Of the two clerks, he is the junior. 这两个职员中他职务较低。
- John Smith Junior is the son of John Smith. 小约翰史密斯是约翰史密斯之子。
- I can't remember quarreling with him in junior high school. 我不记得国中时和他吵过架。
- Keywords alkyl halides;polarizability;electronegativity;the interrelation analysis between structure-propert; 卤代烃;极性;电负性;构性相关分析;
- The junior sale manager is attending a day release course. 这位资历浅的销售经理正在参加一个在职学习日的课程。
- Keywords 2;2-Trifluoroethyl halides;Radical nucleophilic substitution of alkyl halides;Carbanion; 三氟卤乙烷;自由基亲核取代反应;碳负离子;
