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- pyridoxine methyl ether 吡哆素甲醚
- In this paper, the cedrol methyl ether was synthesized by sodamide method. 本文采用氨基鈉法合成甲基柏木醚。
- Methanol, ethanol and glycolic methyl ether as precursor solvent of boric acid. 對上述體系中不同的先驅體及溶劑進(jìn)行交叉實(shí)驗。
- Researches in propanediol methyl ether synthesis catalysts were reviewed in this paper. 綜述了丙二醇甲醚合成催化劑研究的最新進(jìn)展。
- Gelatin ; IPN ; Hydrogel ; Interpenetrating Polymer Networks ; Poly(ethylene glycol) methyl ether acrylate. 英文關(guān)鍵詞:明膠;水膠;網(wǎng)路互穿結構;聚乙二醇甲基丙烯酸
- The kinetics of tertamyl methyl ether(TAME) synthesis using C5 fraction of FCC gasoline was studied. 摘要研究了FCC汽油中C5餾分合成甲基叔戊基醚(TAME)的宏觀(guān)動(dòng)力學(xué)。
- They are capping products of allyl poly-alkoxyl methyl ether and aliphatic alcohol ether alkyl or epoxy. 本系列產(chǎn)品為烯丙基聚烷氧基甲基醚化封端產(chǎn)品及脂肪族醇醚的烷基或環(huán)氧基封端產(chǎn)品,提高了聚醚改性硅油的質(zhì)量。
- Codeine has the same structure as morphine, but the phenol group is masked as a methyl ether. 可待因也有和嗎啡相同的結構,但是酚基被甲基醚屏蔽了,結果。
- Methods After treatment of amino acids with 2,4 dinitrofluorobenzene(DNFB) excessive DNFB was removed by extraction with tert bultyl methyl ether. 方法 氨基酸與2 ,4 二硝基氟苯衍生化反應完成后 ,用 10ml叔丁基甲醚抽提 2次 ,每次 5ml,以除去多余衍生化試劑。
- Original producing o(p) -nitrophenyl methyl ether methods are batch process with long cycle, high energy consumption and low efficiency. 生產(chǎn)鄰(對)硝基苯甲醚的傳統方法都是間歇法操作,周期長(cháng)、能耗高、效率低。
- Synthesis of methyl ether was studied. This new route gave better yield (84.8%). It is a feasible way for the synthesis of methyl ether type perfumery. 采用了一種新方法來(lái)合成甲基醚;收率達84.;8%25;其方法簡(jiǎn)單;工藝要求不高;為甲基醚型香料合成;找到了一種可行的途徑;具有研究開(kāi)發(fā)價(jià)值
- A certain reference value was indicated in this experiment for industry synthesis of cedrol methyl ether by sodamide method. 本實(shí)驗對甲基柏木醚氨基鈉法工業(yè)化生產(chǎn)具有一定的參考價(jià)值。
- The title resin has been prepared by Friedel-Crafts acylation followed by bromination and amination.The method avoids the utilization of cancerogenic chloromethyl methyl ether. 通過(guò)付氏?;磻胍阴;?,接著(zhù)溴化、胺化,得到標題樹(shù)脂。該法避免了使用氯甲醚。
- The fir essential oil was extracted from fir root by steam distillation method, from which cedrol was extracted, and then, cedrol methyl ether was synthesized based on cedrol. 以杉木根為原料通過(guò)水蒸氣蒸餾法提取杉木精油,從杉木根精油中精制提取柏木腦,再以柏木腦為原料合成甲基柏木醚。
- The etherification of isoamylenes and methanol to form tert ayl methyl ether (TAME) by benzl-sulfonic acid cation exchange resin as catalyst, was sudied. 研究了苯磺酸型樹(shù)脂催化的異戊烯和甲醇的醚化,考查了溫度、醇烯比和空速對反應的影響。
- Bromobenzenesulfonyl chloride was obtained from 2 bromothiophenol via coupling with chloromethyl methyl ether,oxidation chlorination by chlorine water to give 76% yield of the title compound. 以鄰溴苯硫酚為原料,經(jīng)與氯甲基甲醚縮合、氯氣水氧化氯化得到鄰溴苯磺酰氯,總收率達76%25。
- The n-butyl methacrylate-PEG comb polymer was synthesized by n-butyl methacrylate(BMA) and poly(ethylene glycol) methyl ether methacrylate(POEM) with AIBN as initiator and tetrahydrofuran as solvent. 以偶氮雙異丁腈(AIBN)為引發(fā)劑,四氫呋喃為溶劑,采用甲基丙烯酸正丁酯(BMA)與聚乙二醇單甲醚甲基丙烯酸酯(POEM)共聚制備了支鏈上含聚乙二醇(PEG)的梳形共聚物。
- Biocompatible and multifunctional comblike polymer(PMAO-PEGME) was synthesized by(using) poly(ethylene glycol)methyl ether as the side chain,poly(maleic anhydride-alt-1-octadecene) as the backbone. 以聚乙二醇單甲醚(PEGME)為側鏈,馬來(lái)酸酐/1-十八碳烯交替共聚物(PMAO)為骨架,制備出具有生物相容性的多功能梳狀聚合物(PMAO-PEGME)。
- A whiff of ether will put you out in a few seconds. 一劑乙醚幾秒鐘后就會(huì )使你失去知覺(jué)。
- Synthesis of Propylene Glycol Methyl Ether Acetate 丙二醇甲醚乙酸酯的合成研究