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- 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(wèn)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(guò)鹵代烴與硒酚反應合成了不對稱(chēng)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(jià)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;在回流的條件下酚與鹵代烴反應高產(chǎn)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(guò)2-巰基吡啶和鹵代烷的烷基化而得到。
- Alkylation of wheat straw alkaline lignin was conducted by reacting lignin with different alkyl halides. 用不同的鹵代烷烴與堿木質(zhì)素進(jìn)行烷基化反應。
- alkyl halides are reacted with sodium nitrite 鹵化烷與亞硝酸鈉反應。
- This reaction, called the Hofman elimination, is quite analogous to the dehydrohalogenation of an alkyl halide. 這個(gè)反應稱(chēng)為Hofman消除反應，它很像鹵代烷的脫鹵化氫反應。
- 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. 格氏試劑與乙撐氧發(fā)生反應，產(chǎn)生含有比配置有機金屬化合物的烷基鹵多兩個(gè)碳原子的伯醇。
- He likes to lord it over the junior staff. 他喜歡對下級職員逞威風(fēng)。
- He is studying at a junior middle school. 他正在上初中。
- She attend a course for junior hotel manager. 她參加初級飯店經(jīng)理課程。
- He is junior to me by two years. 他比我小兩歲。
- Of the two clerks, he is the junior. 這兩個(gè)職員中他職務(wù)較低。
- John Smith Junior is the son of John Smith. 小約翰史密斯是約翰史密斯之子。
- I can't remember quarreling with him in junior high school. 我不記得國中時(shí)和他吵過(guò)架。
- Keywords alkyl halides;polarizability;electronegativity;the interrelation analysis between structure-propert; 鹵代烴;極性;電負性;構性相關(guān)分析;
- The junior sale manager is attending a day release course. 這位資歷淺的銷(xiāo)售經(jīng)理正在參加一個(gè)在職學(xué)習日的課程。
- Keywords 2;2-Trifluoroethyl halides;Radical nucleophilic substitution of alkyl halides;Carbanion; 三氟鹵乙烷;自由基親核取代反應;碳負離子;
