alkyl halides
英汉例句
- 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。