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- Then,the regioselective ortho lithiation of alkyloxypyridine bromide was further performed to produce the diphenylphosphine alkyloxypyridine bromide derivatives(3a,3b and 6a). 以氯代吡啶为原料,经烷氧基取代,选择性单溴代,合成了系列烷氧基溴代吡啶,最后利用锂化反应的区域选择性,制备了二苯基膦烷氧基溴代吡啶;
- Keywords alkyloxypyridine;alkyloxypyridine bromide;diphe-nylphosphino-bromo-alkyloxy-pridine;lithiation reaction;regioselectivity; 烷氧基吡啶;烷氧基溴代吡啶;二苯基膦烷氧基溴代吡啶;锂化反应;区域选择性;
- alkyloxypyridine bromide 烷氧基溴代吡啶
- Aim To study the synthesis of rocuronium bromide. 摘要目的合成罗库溴铵。
- Run out Output film or bromide from a phototypesetting machine. 从照相排字机输出的菲林或相纸。
- Run out: Output film or bromide from a phototypesetting machine. 曝光片:从照相排字机输出的菲林或相纸。
- Cyclohexylmagnesiu Bromid (18 i Tetrahydrofuran ca 1mo... 询价 环庚基溴化镁(18四氢呋喃)；
- Bromide: a binary compound of bromine with another element, such as silver. 溴化物:由溴和另一元素构成的二元化合物,如银。
- Methyl bromide is the most commonly used fumigant in quarantine treatment. 溴甲烷是检疫处理上最常用的一种薰蒸剂。
- TGA-FTIR Study of 1 n butyl-3-methylimidazolium Bromide Ionic Liquid? 1-正丁基-3-甲基咪唑溴化物离子液体TGA-FTIR研究
- Ingredients: Gelatin, potassium bromide, potassium iodide, and silver nitrate. 成份：凝胶（明胶），溴化钾，碘化钾，硝酸银
- Pipecuronium Bromide--A long-acting non-depolarizing muscular relaxant. 功能主治： 哌库溴铵（Pipecuronium Bromide）是一种长效非去极化型肌松药。
- Multi-level samplers (15,000 sampling points), bromide tracer injection. 多水平取样器（15,000个取样点），
- By adding various dyes to the silver bromide it can be made additionally sensitive to green light. 溴化银加入各种化学增感剂后，又可使其感受染色光。
- Other liquids that are used in manometry are water, organic liquids and bromide compounds. 压力计中所用的其它液体有水，有机溶液以及溴化物溶液。
- Spectrophotometric Determination of Trace Manganese with Mn-Methyl Violet-Potassium Bromide Reaction? 分光光度法测定痕量锰?
- UNUSUAL FIRE AND EXPLOSION HAZARDS: May give off toxic hydrogen bromide when thermally decomposed. 不正常火灾及爆炸危险:当发生热分解时可能会释放出有毒的溴化氢。
- By adding various dyes to the silver bromide, it can be made additionally sensitive to green light. 溴化银加入各种化学增感剂后,可使其对绿色光尤其敏感。
- The addition of hydrogen bromide involves the attachment of an anionic nucleophile in the final step. 溴化氢加成的最后一步，是负离子亲核试剂的附加。
- In the Hanus method, an iodine bromide reagent is used instead of iodine monochloride. 在哈纳斯法中,溴化碘试剂代替氯化碘被使用。
