查询词典 substituted
- 与 substituted 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Confucian political acting outsided into concrete political practices has had the significant effect in the traditional society, and has played the role which cannot be substituted to the unify and stability of the traditional society.
儒家政治担当外化为具体的政治实践,在传统社会中产生了重大的效应,对传统社会的统一与稳定发挥了不可替代的作用。
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Fourteen unreported N-substituted piperidin-4-one oxime ethers derivatives were synthesized withsubstituted benzylamines or phenethylamine as raw materials via a series of Michael addition, Dieckmann condensation, hydrolysis decarboxylation reactions, oximation a...
以取代苄胺或苯乙胺为起始原料,依次经Michael加成,Dieckmann缩合,水解脱羧,肟化和醚化等多步反应合成了14个未见文献报道的N-取代哌啶酮肟醚衍生物。
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But in the electronic business environment, the papery mediums has been substituted by e-credential for tax-paid.
但在电子商务环境下,这些纸制应税凭证被无纸化的电子应税凭证取代。
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After the Reformation, the church did object to the cards depicting the Pope and Papess, and cardmakers substituted less controversial images.
宗教改革之后,教会反对这些描绘教皇或女教皇的牌卡,以及一些可疑的图像。
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Analyses for binder phase distribution and percolative nature as well as effect of progressive substitution HAC byα-alumina on phase composition and distribution in alumina-substituted MDF composites and wet properties suggest that the contribution of the cross-linked PVA located in the interphase region to transport of moisture is limited.
通过加热MDF复合材料至不同温度点分析了其胶结相的分布和渗透特性以及掺加α—A1〓O〓对其相组成、分布和湿性能的影响,结果表明,界面相中交联PVA对湿度传递的贡献是非常有限的,而本体聚合物区域的PVA提供了湿度传递的主要途径,未反应水泥颗粒作为水的接受体,对MDF复合材料的湿抗折性能与吸湿也产生了严重的有害影响。
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In addition, some aryl-substituted propenoic acids were prepared via Perkin reaction.
此外,通过Perkin反应合成了4种芳基取代丙烯酸,研究了其关环和脱羧反应。
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Ten variously substituted benzoyl peroxides were synthesized for Raman spectrometric identification both in solution (CCl 2FCClF 2) and solid state. Different to infrared spectra, Raman spectra have been proved to be a useful characterization of the highly symmetric peroxy bond in diacyl peroxides. The ν OO value ranged from 850 to 899 cm -1 varies regularly with the substituent on the phenyl ring.
合成了全氟和其它对位、间位取代的共10种过氧化苯甲酰,测定了它们的固体和溶液(溶剂为F113, CCl2FCClF2)的激光拉曼光谱,首次发现这类化合物中高度对称的过氧键有较强的特征谱带,即νOO在850至899 cm-1之间,并随取代基不同而呈现规律变化。
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The reaction furnishes a rapid and direct construction of substituted phenanthridine rings from readily available starting materials via a one-pot cascade process, provided a 30-member library of 6-aryl-phenanthridines with yields 31~95%.
在此基础上,我们还考察了用PEG支载的苯甲醛实现该反应的可能性,实验结果表明,由于反应过程中苯炔容易发生自身聚合,并与聚合物支载体夹杂在一起,中间体的纯化相当困难。
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Deoxybenzoin(3) was prepareded by using the resorcinol and substituted phenylacetic as starting meterials in microwave-mediated.Then the compound(3) was reacted with acetic anhydride to produce(4).The compound(4) was hydrolyzed to convert compound(5) in the acid-mediated. The compound(5) was reacted with the 1,2-dibromo-ethane and 1,3-dibromo-propane in refluxed condition with acetone as solvent to give(6) or(7),respectively.Lastly,the title compounds were synthesized by refluxing(6) or(7) with 2-methyl-benzimidazole and potassium carbonate in acetone solution.
以取代苯乙酸和间苯二酚为起始原料,用微波辐射法合成脱氧安息香(3),(3)与乙酸酐缩合生成2-甲基-7-乙酰氧基异黄酮(4),(4)在酸性条件下水解生成相应的异黄酮(5),化合物(5)分别与1,2-二溴乙烷和1,3-二溴丙烷反应生成(6)和(7),化合物(6)和(7)再分别与2-甲基苯并咪唑偶合生成目标化合物。
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The 7-bromo group was replaced with various aniline, and then treated with 4-methoxybenzenesulfonyl chloride to afford the 6-azaindole-1-sulfonamides.The synthesis of 7-aryl-6- azaindole-1- sulfonamide derivatives were prepared by a Suzuki reaction at 7-position, utilizing the 7-bromo-6-azaindole was treated with a variety of phenylboric acid to give the designed 7-aryl substituted 6-azaindoles.
将七号位碳上的溴基取代成各种苯胺类衍生物,再与4-甲氧基-磺基氯苯反应得到6-氮基吲哚-1-磺胺。7-苯基-6-氮基吲哚-1-磺胺类衍生物的合成是以7-溴基-6氮基吲哚-1-磺胺为起始物和各种苯硼酸经由铃木偶合反应在第七号位碳上,得到在第七号位碳上有苯基取代的6-氮基吲哚-1-磺胺。
- 推荐网络例句
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She gently rebuff ed him, but agreed that they could be friends
她婉言拒绝了,但同意作为朋友相处。
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If in the penal farm, you were sure to be criticized.
要是在劳改农场,你等着挨绳子吧!
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Several theories about reigniting and extinguishing of the arc have been refered.
本文综合考虑了几种电弧重燃和熄灭理论。