• 论文合成一系列氧基多元羧酸化合物

    In this paper, we synthesized a series of phenoxy-(phenylamino) polycarboxylic compounds.

    youdao

  • 提供了用于递送活性剂苯氧基羧酸化合物及其组合物

    Cyanophenoxy carboxylic acid compounds and compositions for the delivery of active agents are provided.

    youdao

  • 易感饮水投放羟氨青霉素苯氧基青霉素,连续4-5

    Medicate the water amoxycillin or phenoxymethylpenicillin for 4 - 5 days over the period of risk.

    youdao

  • 氧基乙酮间溴醋酸催化下以高产合成

    Phenoxyacetophenone could be prepared from potassium phenolate and m bromoacetophenone via Ullmann reaction catalyzed by copper acetate in high yields.

    youdao

  • 研究了化妆品中的噻唑啉酮、免洗消毒剂以及苯氧基乙醇推进剂抗菌活性

    What's more, it studied the antibacterial activity of methyl lisothiazolinone, rinse-free disinfectants and phenoxyethanol.

    youdao

  • 柔性铜板1,4 -双(2,4 -二氨苯氧基)聚酰亚胺薄膜制备方法

    Method for preparing 1, 4-di (2, 4-diamino phenoxy) benzenoid form polyimide film for flexible copper clad plate.

    youdao

  • 酚、丙烷为原料,KOH催化剂解后合成了1—氨—3—苯氧基—2—丙醇。

    The 1-amino-3-phenoxyl-2-propanol is prepared with phenol and epoxy chloropropane by means of KOH as catalyst and hydrazinolysis.

    youdao

  • 以二甲酰原料,合成一种新型的激光光敏刺——4 -苯氧基甲酮(PBZP)。

    A new photoinitiator, 4-phenoxy benzophenone (PBZP), was synthesized and characterized using diphenyl ether and benzoyl chloride as raw material.

    youdao

  • 选定色谱操作条件下2-4-羟苯氧基杂质二酚之间具有良好效果

    Under the selected conditions of the chromatographic operation, there was the better separation efficiency between 2-(4- hydroxyphenoxy) propionic acid and impurities(such as hydroquinone, etc).

    youdao

  • 研究价廉、易得,能够方便自产的间—苯氧基三乙氯化铵作为转移催化剂获得了较好的结果

    Authors have obtained by using m-phenoxybenzyltriethylammonium chloride as the phase transfer catalyst which is cheap, available and self—productive. We hare achieved better results.

    youdao

  • 其中,化合物1一个以线性四核铜配合物为本单元聚合物,此时水杨醛缩苯氧基乙酰腙配体L1是五啮配体。

    The adjacent complex molecules 1 are linked by N-N bridge of the pentadentate ligand L1, resulting in an one-dimensional polymer.

    youdao

  • 得到酚钠,酚钠和2-乙醇得到2-苯氧基乙醇,与氯化锌反应得2,3-二氢呋喃产率50%。

    A mixture of phenol, sodium and 2-chloroethanol forms 2-phenoxyethanol, add zinc chloride, the product is 2,3-dihydrobenzofuran, yield 50%.

    youdao

  • 邻甲氧基对氯*原料四步反应合成6-(2-甲苯氧基-1,4-二氢-4-代-3-喹啉羧酸。经抗鸡球虫实验证明具有抗球虫效果。

    The compound 6-(2-methoxy phenoxy)-1, 4-dihydrogen-4-oxo-3-ethyl quinoline carboxylate is prepared with o-methoxyphenol and p-chloronitrobenzene as materials and through four-step reaction.

    youdao

  • 通过4-甲氧基甲醛加成反应合成4-甲氧基-乙酸

    The 4-methoxy-phenylhydroxy-acetic acid was synthesized by the carbonyl addition reaction of 4-methoxybenzaldehyde.

    youdao

  • 最佳条件下产品邻甲氧基收率可达到84.6%。

    The yield of the product under optimum conditions was up to 84.6%.

    youdao

  • 结论3,5 二甲酰作为良好的糖端离去用于寡糖合成,具有反应条件温和、收率较高、立体选择性好的特点。

    Conclusion The 3, 5-dinitrobenzoyl group was found to be a good leaving group at the anomeric position and O-glucopyranosides and oligosaccharides were stereoselectively synthesized in good yield.

    youdao

  • 报道了GCMS方法衍生化技术研究6氧基正丁MBP大鼠微粒体中的代谢转化结果。

    The in vitro biotransformation of 6 methoxy butyl phthalide (MBP) by phenobarbital induced rat liver microsomes was investigated by GC/MS and GC/MS with TMS derivatization.

    youdao

  • 研究结果表明化学结构适易氧基甲醛产率大于90 %。

    The experimental results indi- cate that oxidation yields of some alkyloxybenzaldehydes are above 90 % .

    youdao

  • 乙醇溶剂碘化钠催化剂,由金属二酚丁烷合成了1 ,4 -二氧基

    With ethyl alcohol as solvent and sodium iodide as catalyst, 1,4-dibutoxybenzene was synthesized from metal sodium, hydroquinone and n-butyl bromide.

    youdao

  • 目的研究微波合成氧基甲醛最佳反应条件

    Objective To study Optimization of the react conditions of benzyloxy-benzaldehyde synthesized under microwave irradiation.

    youdao

  • 目的:探索42氧基)二合成条件包括原料配比反应时间等。

    Objective:In order to find the best condition for the synthesis of 4 (2 chloroethoxy)benzophenone, including the proportion of material, the time of reaction.

    youdao

  • 课题原料,邻甲氧基甲酰反应生成邻甲氧基甲酰铁,再与一系列反应合成亚,最终还原为二茂铁氨化合物

    The title compounds were obtained by the reduction of the corresponding ferrocenyl imines, which were prepared from ferrocene and o-anisic acid chloride, followed by amination with aromatic amines.

    youdao

  • 甲酚原料经溴化、水解氧基4反应合成药物中间体3,4,5-三甲氧基甲醛,收率53

    The 3,4,5 trimethoxybenzaldehyde is synthesized from p cresol in four steps of bromination, hydrolyzation, methoxylation, and methylation, with an overall yield of 53.

    youdao

  • 报道白藜芦醇关键中间体3,5二甲甲醛合成方法

    An improved synthetic method of 3, 5-dimethoxy benzaldehyde which is the key intermediate for synthesizing resveratrol were studied.

    youdao

  • 起着模板以及还原剂双重功效二胺载体可以更换聚邻甲以及聚邻甲氧基空心球、纳米管

    Other reactive templates can also be used for the preparation of glod nanoparticles supported on polymer, such as poly(o-toluidine) and poly(o-methoxyaniline) hollow microspheres, and PANI nanotubes.

    youdao

  • 愈创木酚为起始原料,采用各种不同催化剂缩合制备得到邻甲氧基研究了、催化剂、反应温度、反应时间加料方式各种因素反应影响

    Methoxydiphenyl ether was synthesized from guaiacol by using various catalysts and bases. The influences of base, catalyst, temperature, time and the way of feeding on the reaction were studied.

    youdao

  • 采用动力学方法研究2-羟-4-甲氧基甲醛(HMB酪氨酸单酚酶二酚酶活力抑制效应

    The inhibition effect of 2-hydroxy-4-methoxy-benzaldehyde(HMB)on the activity of monophenolase and diphenolase contained in tyrosinase was studied using enzymological kinetic method.

    youdao

  • 对乙酰氧基甲酸、对二酚二乙酯、2,6-甲酸甲酸四种单体通过熔融缩聚反应,合成了芳香族四组分共聚酯

    The wholly aromatic four-component copolyesters were prepared from p-acetoxy-benzoic acid, hydroquinone diacetate, 2,6-naphthalene dicarboxylic acid and isophthalic acid by melting polycondensation.

    youdao

  • 前言:目的:改进奥美拉唑中间体2 -硝- 4 -甲氧基-氨合成方法

    Objective: To improve the synthesis method of the intermediate of Omeprazole, 2-nitro-4-methoxyl-aminobenzene.

    youdao

  • 前言:目的:改进奥美拉唑中间体2 -硝- 4 -甲氧基-氨合成方法

    Objective: To improve the synthesis method of the intermediate of Omeprazole, 2-nitro-4-methoxyl-aminobenzene.

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定