同根派生 alkyl halides相關詞英漢例句Alkyl halides are reacted with sodium nitrite. 鹵化烷與亞硝酸鈉反應。The general answer to this problem is to avoid alkyl halides. 解決這一問題的一般辦法是避免使用烷基鹵。Preparation of unsymmetrical selenides via the reaction of arylselenol with alkyl halides needs at least equal molar cesium hydroxide as the base. 通過鹵代烴與硒酚反應郃成了不對稱硒醚,至少要使用等摩爾的氫氧化銫作堿,與氫氧化鉀相比,氯化銫價格昂貴。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. 以碳酸銫作催化劑;碳酸鉀作堿;以乙腈作溶劑;在廻流的條件下酚與鹵代烴反應高産率得到烷基芳醚.These derivatives are readily obtained by alkylation of 2-mercaptopyridine and alkyl halides under alkaline conditions. 這些衍生物可以容易地在堿性條件下通過2-巰基吡啶和鹵代烷的烷基化而得到。alkyl halides更多例句