• 通过成本比较,认为合适

    The propionyl chloride was found to be the appropriate acylating agent in terms of the cost.

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  • 丙酰二茂铁4-取代氨基反应8相应的缩氨基脲1~8,它们均属首次制得。

    Propionyl ferrocene reacted with 4-substituted semicarbazides converted into corresponding semicarbazones 1-8, which are not prepared previously.

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  • 路线以5-甲基尿苷为起始原料,关键步骤5-甲基尿苷和选择性反应,反应收率为34%。

    The stavudine was prepared from 5-methyluridine via six steps in 34% overall yield, in which the key step is the selective acylation of 5-methyluridine by propionyl chloride.

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  • 本文研究了以丙酰酮酸乙酯、 硫酸二胺硫酸钾为原料合成吡螨胺中间体3-乙基-5- 吡唑羧酸酯的方法。

    It is reported that ethy1 3-ethyl-5-pyrazole- carboxylate, an intermediate for tebufenpyrad, was synthesized by using ethyl propionyl acetonate and others as starting materials.

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  • 目的观察胃肠道术后患者在经周围静脉肠外营养TPN应用谷氨胺双肽的安全性有效性

    OBJECTIVE:To investigate the safety and efficacy of alanyl-glutamine dipeptide administered via peripheral vein total parenteral nutrition(TPN)in patients after gastrointestinal operation.

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  • 推测何首乌还含有作用于FAS中的酶的抑制剂

    It was speculated that an inhibitor in TFR reacted on malonyl thansacylase of FAS.

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  • 目的探讨谷氨胺对慢性阻塞性疾病急性加重患者(AECOPD)治疗作用。

    Objective To evaluate the value of alanyl glutamine in the treatment of aged patients with acute exacerbation of chronic obstructive pulmonary disease (AECOPD).

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  • 甲基二酸血症由于甲基辅酶A变位酶辅酶腺苷钴胺素缺陷所致遗传性代谢疾病

    Methylmalonic acidemia is an inherited metabolic disorder, which is caused by deficiency of methylmalonyl-coenzyme a mutase or its cofactor adenosylcobalamin.

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  • 脂肪酸合成酶(FAS)催化辅酶a辅酶A合成长链脂肪酸。

    Fatty acid synthase (FAS) catalyzes the synthesis of long-chain fatty acids from acetyl-CoA and malonyl-CoA.

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  • 结论谷氨胺双肽胃肠道术后周围静脉tpn应用安全有效

    CONCLUSION: It is safe and effective to use alanyl-glutamine dipeptide via peripheral vein TPN in patients after gastrointestinal operation.

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  • 叙述了氧基硼氢化制备及其原位烯烃选择性硼氢化反应。

    The preparation of sodium malonyloxyborohydride in situ and its selective hydroboration alkene are described.

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  • 模型对照组比较,山药合剂剂量血清谷转氨酶、谷草转氨酶组织乳酸脱氢活性血清葡萄糖、三甘油、游离脂肪酸和肝组织二醛含量显著降低P<0.05~0.01);

    Compared with model control group, ALT, AST, Glu, TG, FFA in serum, and LDH activity and MDA content in liver tissues were markedly reduced in two Shanyao mixture groups (P < 0.05-0.01).

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  • 异烟化合物c9h13n3o用作治疗

    A compound, C9H13N3O, used as an antidepressant and formerly used to treat tuberculosis.

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  • 第三部分研究了二苯基烯哌嗪苯甲酸-萘亚胺衍生物的抗肿瘤凋亡性能。

    The third section studied on the alternative modification of naphthalimide scaffold and evaluated their antitumor and apoptosis-inducing function.

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  • 目的探讨l -- L -谷氨胺双肽化学合成方法

    Objective To explore the method of chemical synthesis of L-alanyl-L-glutamine dipeptide.

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  • 羧酸泊酚衍生物具有通式I)。

    The invention relates to a phosphoryl carboxylic acid propofol ester derivative which has the general formula (I).

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  • 改进了中间体3,5-二硝基-4-二正胺基苯磺最终产品安磺灵合成方法,使之适合工业生产要求

    The syntheses of 3,5-dinitro-4-di-n-propylamidobenzenesulfong chloride and oryzalin was improved, makes more is fit for the requirement in the industrial production.

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  • 1%氢氧化钠水溶液处理带有芳氧基的1,3 -衍生物可以直接得到A环带有羟基的黄酮化合物。

    Treatment of 1, 3-diketones containing benzoyloxy group in 1% aqueous sodium hydroxide can afford directly the corresponding ring-A hydroxylated flavone.

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  • 1%氢氧化钠水溶液处理带有芳氧基的1,3 -衍生物可以直接得到A环带有羟基的黄酮化合物。

    Treatment of 1, 3-diketones containing benzoyloxy group in 1% aqueous sodium hydroxide can afford directly the corresponding ring-A hydroxylated flavone.

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