• Y型分子筛为载体,分别采用吸附、吸附-戊二醛交联法、联法偶联-重氮法4方法对氨基i进行固定

    Acylase I was immobilized on Y-type molecular sieve by using 4 kinds of methods, namely, adsorption, adsorption-crosslink, coupling and coupling-diazotization.

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  • 最后,科学家将剩余氨基进行酰化,这保证复杂粒子不会受到表面电荷影响

    Finally, the remaining amine groups are acetylated to ensure that the complex particles do not bear any surface charges.

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  • 一些物质,d, L丹氨基拆分一定规律能给出绝对构型信息

    The resolution of some chiral drugs such as d, L-dansyl amino acid has certain rule, and provides information about absolute configuration.

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  • 翻译后修饰主要包括氨基残基SUMO磷酸、棕榈以及酰化

    Post-translational modifications usually occur as chemical modifications at amino acid residues, including SUMOylation, phosphorylation, palmitoylation , acetylation, etc.

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  • 本文综述了酰化氮取代氨基配合合成、配位结构方式研究进展

    The paper summarizes the progress in the studies of synthesis, coordinated modes of the complexes with N-sulfonyl amino acids.

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  • 方法水杨酸为起始原料,通过硝反应氨基酚相偶联,合成了新的5 -氨基水杨酸衍生物

    Methods By the reactions of nitration, acylation, halogenation, condensation, a new 5-aminosalicylic acid derivative was synthesized from salicylic acid and acetaminophen.

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  • 以对氨基水杨酸为原料,经酯反应得乙氧苯酯,收率为87.4%。

    Ethopabate is prepared via esterification, acylation and alkylation from p-aminosalicylic acid in87.4% overall yield.

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  • 通过明胶活泼氨基酰化反应,可以接入憎水性的芳基改变明胶水溶性

    The amino groups of the gelatin are the amenable sites for modification in aqueous solution. Benzoylation of the gelatin with pathalic anhydride can change the solubility.

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  • 综述了高效剂4-二甲氨基吡啶(DMAP)的合成方法应用前景

    This article summarizes the synthetic method of 4-Dimethylaminopyridine (DMAP) and its applying prospect.

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  • 通过在位于顾客蛋白结合该位点制造突变,可模拟或者去乙酰化氨基

    Mutations were made at this site, which is located in a region where client proteins bind, to mimic either an acetylated or a non-acetylated amino acid.

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  • 而二元酸酐酰化反应改变氨基、羧基比例从而降低明胶等电

    The reaction with dicarboxylic acid anhydrides results in an acid addition product, which alters the ratio of free basic to free acidic groups in gelatin, so as to lower the isoelectric point.

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  • 2-苯基-4-喹啉酮为原料,通过磷酰化反应将磷引入2-苯基-4-喹啉酮中,合成了一种新型的喹啉-4-氨基磷酸酯衍生物。

    In this study, phosphoramide mustard was coupled to 2-phenyl-4-quinolone by a facile phosphorylation reaction to yield a novel quinoline-4-phosphoramidate derivative.

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  • 2-苯基-4-喹啉酮为原料,通过磷酰化反应将磷引入2-苯基-4-喹啉酮中,合成了一种新型的喹啉-4-氨基磷酸酯衍生物。

    In this study, phosphoramide mustard was coupled to 2-phenyl-4-quinolone by a facile phosphorylation reaction to yield a novel quinoline-4-phosphoramidate derivative.

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