通过成本比较,认为丙酰氯是合适的酰化剂。
The propionyl chloride was found to be the appropriate acylating agent in terms of the cost.
丙酰基二茂铁和4-取代氨基脲反应制得8个相应的缩氨基脲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.
该路线以5-甲基尿苷为起始原料,关键步骤是5-甲基尿苷和丙酰氯的选择性酰化反应,六步反应总收率为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.
本文研究了以丙酰丙酮酸乙酯、 硫酸二胺和硫酸钾为原料合成吡螨胺中间体3-乙基-5- 吡唑羧酸乙酯的方法。
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.
目的:观察胃肠道术后患者在经周围静脉全肠外营养(TPN)中应用丙氨酰谷氨酰胺双肽的安全性和有效性。
OBJECTIVE:To investigate the safety and efficacy of alanyl-glutamine dipeptide administered via peripheral vein total parenteral nutrition(TPN)in patients after gastrointestinal operation.
推测何首乌还含有作用于FAS中的丙二酰转酰酶的抑制剂。
It was speculated that an inhibitor in TFR reacted on malonyl thansacylase of FAS.
目的探讨丙氨酰谷氨酰胺对慢性阻塞性肺疾病急性加重期患者(AECOPD)的治疗作用。
Objective To evaluate the value of alanyl glutamine in the treatment of aged patients with acute exacerbation of chronic obstructive pulmonary disease (AECOPD).
甲基丙二酸血症是由于甲基丙二酰辅酶A变位酶或其辅酶腺苷钴胺素缺陷所致的一种遗传性代谢疾病。
Methylmalonic acidemia is an inherited metabolic disorder, which is caused by deficiency of methylmalonyl-coenzyme a mutase or its cofactor adenosylcobalamin.
脂肪酸合成酶(FAS)催化乙酰辅酶a和丙二酰辅酶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.
结论:丙氨酰谷氨酰胺双肽在胃肠道术后经周围静脉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.
叙述了丙二酰氧基硼氢化钠的制备及其原位与烯烃的选择性硼氢化反应。
The preparation of sodium malonyloxyborohydride in situ and its selective hydroboration alkene are described.
与模型对照组比较,山药合剂两剂量组血清谷丙转氨酶、谷草转氨酶和肝组织乳酸脱氢酶活性及血清葡萄糖、三酰甘油、游离脂肪酸和肝组织丙二醛含量显著降低(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).
异烟酰异丙肼一种化合物,c9h13n3o,用作治疗。
A compound, C9H13N3O, used as an antidepressant and formerly used to treat tuberculosis.
第三部分研究了二苯基烯丙哌嗪苯甲酸-萘酰亚胺衍生物的抗肿瘤和促凋亡性能。
The third section studied on the alternative modification of naphthalimide scaffold and evaluated their antitumor and apoptosis-inducing function.
目的探讨l -丙氨酰- L -谷氨酰胺双肽的化学合成方法。
Objective To explore the method of chemical synthesis of L-alanyl-L-glutamine dipeptide.
一种磷酰基羧酸丙泊酚酯衍生物,具有通式(I)。
The invention relates to a phosphoryl carboxylic acid propofol ester derivative which has the general formula (I).
改进了中间体3,5-二硝基-4-二正丙胺基苯磺酰氯和最终产品安磺灵的合成方法,使之更适合于工业生产的要求。
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.
用1%的氢氧化钠水溶液处理带有芳酰氧基的1,3 -丙二酮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.
用1%的氢氧化钠水溶液处理带有芳酰氧基的1,3 -丙二酮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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