It is indicated in the treatment of coagulation disorders due to faulty formation of coagulation factors II, VII, IX, and X caused by deficiency or interference in the activity of vitamin K. Phylloquinone has been synthesized since at least 1939, and was approved by the FDA prior to …

Vitamin K is a fat-soluble vitamin that affects coagulation pathways within the body. Vitamin K is found in foods and can be a dietary supplement. Vitamin K is essential for the synthesis of coagulation proteins. It is a co-factor for vitamin K-dependent carboxylation, which includes various enzymes.

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分子式: c31h46o2 分子量: 450.7 InChI: InChI=1S/C31H46O2/c1-22(2)12-9-13-23(3)14-10-15-24(4)16-11-17-25(5)20-21-27-26(6)30(32)28-18-7-8-19-29(28)31(27)33/h7-8,18-20,22-24H,9 …

维生素K1能通过拮抗微血管痉挛调整微血管系统的收缩功能，从而改善血液流变学及调整微循环系统，解除由于儿童重症肺炎引起的微循环障碍，减轻心脏前、后负荷，纠正心衰，同时降低气道阻力，增加肺泡通气，有利用纠正呼衰。 咳嗽是一种防御性反应，轻度咳嗽有利于痰液和异物排出，但剧烈而频繁的咳嗽可使患者痛苦并引起很多并发症。 因上呼吸道感染、支气管炎、肺炎等所引起的咳嗽，应用维生素K1较好。 近几年报道，大剂量应用维生素K1，可以增强肝细胞活力和 …

2021年5月7日 · Vitamin K1-[2H7] (Phytonadione) | C31H46O2 | CID 71310504 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.

叶绿基甲萘醌[1] （英語： Phylloquinone， 2-甲基-3-叶绿基-1,4-萘醌，简称 叶绿醌，又称为 维生素K1）属于一种多环芳香酮，骨架基于 2-甲基-1,4-萘醌，在三号位上有一个 植烷 取代基。 叶绿基甲萘醌是一种 脂溶性维生素，对空气和潮湿稳定，但在阳光下会被分解。 在天然绿色植物中广泛 …

2024年1月30日 · Phytonadione is 2-methyl-3-phytyl-1, 4-naphthoquinone. Its empirical formula is C31H46O2 and its structural formula is: Vitamin K1 Injection (Phytonadione Injectable Emulsion, USP) is a yellow, sterile, nonpyrogenic aqueous dispersion available for injection by the intravenous, intramuscular and subcutaneous routes.

维生素类药，用于维生素K1缺乏症、凝血酶过低症、新生儿自然出血症的防治等。 由邻甲基萘醌与 醋酸 酐和 醋酸 在 锌 存在下还原、乙酰化后再水解、缩合和氧化而成。 由邻甲基萘醌与醋 酸 酐在锌存在下还原、乙酰化生成乙酰化甲萘醌，经水解、缩合得二氢化维生素K 1，最后经水解、氧化、提纯、精制而得。 用高效液相法测定。 避光操作。 用 硅 胶为填充剂，流动相为2000：2.5＝60～90℃ 石油醚：正 戊醇，检测波长254nm。 维生素K 1 的顺、反式异构体峰之 …

2013年12月9日 · IUPAC Standard InChIKey: MBWXNTAXLNYFJB-LKUDQCMESA-N Copy CAS Registry Number: 81818-54-4 Chemical structure: This structure is also available as a 2d Mol file; Stereoisomers: Phytonadione; Other names: 2-Methyl-3-phytyl-1,4-naphthoquinone; 2-methyl-3-(3,7,11,15-tetramethylhexadec-2-enyl)-1,4-naphthoquinone Information on this page: