5-allyloxy-2-hydroxymethyl-pyran-4-one | 408335-55-7

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡喃
• 英文名称: 5-allyloxy-2-hydroxymethyl-pyran-4-one
• 英文别名: 5-Allyloxy-2-hydroxymethyl-pyran-4-on；2-(Hydroxymethyl)-5-prop-2-enoxypyran-4-one
• CAS: 408335-55-7
• 化学式: C₉H₁₀O₄
• 分子量: 182.176
• InChiKey: ZGNSJRVYNZMFOW-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.1
• 重原子数：
  13
• 可旋转键数：
  4
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.22
• 拓扑面积：
  55.8
• 氢给体数：
  1
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  5-allyloxy-2-hydroxymethyl-pyran-4-one 在 氨 、 水 作用下， 生成 5-allyloxy-2-hydroxymethyl-pyridin-4-ol
  参考文献：
  名称：

  The Preparation and Rearrangement of Allyl Kojate

  摘要：

  DOI：

  10.1021/ja01593a046
• 作为产物：
  描述：

  曲酸 在 甲醇 、 sodium methylate 作用下， 生成 5-allyloxy-2-hydroxymethyl-pyran-4-one
  参考文献：
  名称：

  The Preparation and Rearrangement of Allyl Kojate

  摘要：

  DOI：

  10.1021/ja01593a046

文献信息

• Catalyzed Claisen rearrangements of O-allyl kojates
  作者：Michael C. Pirrung、Jenifer N. Nalbandian

  DOI：10.1016/j.tetlet.2013.05.002

  日期：2013.7

  Allylic ethers of kojic acid undergo Claisen rearrangement with catalysis by zinc triflate to give the corresponding C-allylated kojic acids in moderate to good yields.

  曲酸的烯丙醚在三氟甲磺酸锌的催化下进行克莱森重排，以中等至良好的产率得到相应的 C-烯丙基化曲酸。
• EXTRACT POWDER OF INDIGO PLANT, AND ITS PREPARATION AND USES
  申请人：Fujii Mitsukiyo

  公开号：US20100034757A1

  公开（公告）日：2010-02-11

  The present invention has objects to provide an extract powder of indigo plant, which has a relatively low hygroscopicity, satisfactory fluidability, and improved storage stability; a process thereof; and a composition incorporated with the extract powder. The objects are solved by a process for producing an extract powder of indigo plant, which comprises incorporating a partial starch hydrolyzate with a dextrose equivalent of 10.2 or lower into one part by weight, on a dry solid basis, of an indigo plant extract contained in a liquid extract of indigo plant in an amount of not lower than 0.25 part by weight but not higher than 5 parts by weight, on a dry solid basis, and drying the resulting mixture; an extract powder of indigo plant prepared thereby; and a composition incorporated with the extract powder.

  本发明旨在提供一种靛蓝植物的提取粉末，其具有相对较低的吸湿性、满意的流动性和改善的储存稳定性；其制备方法；以及与提取粉末混合的组合物。通过将DE值为10.2或更低的部分淀粉水解物以不低于0.25份重量但不高于5份重量的干固物基础加入到液态提取的靛蓝植物提取物的一份重量中，并将所得混合物干燥，来解决上述问题；由此制备的靛蓝植物提取粉末；以及与提取粉末混合的组合物。
• SKIN COMPOSITIONS FOR EXTERNAL USE
  申请人：SHISEIDO COMPANY LIMITED

  公开号：EP1002515A1

  公开（公告）日：2000-05-24

  Skin compositions for external use which contain a first component selected from the group consisting of L-ascorbic acid and its derivatives, placenta extract, kojic acid and its derivatives, azelaic acid and its derivatives, glucosamine and its derivatives, hydroquinone glycosides and derivatives thereof, tranexamic acid and its derivatives and salicylic acid and its derivatives, and a second component selected from Lempuyang and solvent extracts thereof.

  外用皮肤组合物，其第一成分选自左旋抗坏血酸及其衍生物、胎盘提取物、曲酸及其衍生物、壬二酸及其衍生物、氨基葡萄糖及其衍生物、对苯二酚苷及其衍生物、氨甲环酸及其衍生物、水杨酸及其衍生物，第二成分选自兰普阳及其溶剂提取物。
• EXTRACT POWDER OF INDIGO-CONTAINING PLANT, METHOD FOR PRODUCTION THEREOF, AND USE THEREOF
  申请人：Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo

  公开号：EP2087903A1

  公开（公告）日：2009-08-12

  The present invention has objects to provide an extract powder of indigo plant, which has a relatively low hygroscopicity, satisfactory fluidability, and improved storage stability; a process thereof; and a composition incorporated with the extract powder. The objects are solved by a process for producing an extract powder of indigo plant, which comprises incorporating a partial starch hydrolyzate with a dextrose equivalent of 10.2 or lower into one part by weight, on a dry solid basis, of an indigo plant extract contained in a liquid extract of indigo plant in an amount of not lower than 0.25 part by weight but not higher than 5 parts by weight, on a dry solid basis, and drying the resulting mixture; an extract powder of indigo plant prepared thereby; and a composition incorporated with the extract powder.

  本发明的目的是提供一种吸湿性相对较低、流动性令人满意、贮存稳定性更好的靛蓝植物提取物粉末；其工艺；以及掺入该提取物粉末的组合物。本发明的目的是通过一种生产蓝靛花提取物粉末的工艺来解决的，该工艺包括将葡萄糖当量为 10.2 或更低的部分淀粉水解物加入到蓝靛花液体提取物中所含的蓝靛花提取物中，以干固体为基础，加入量不低于 0.25 重量份，但不高于 5 重量份，并干燥所得混合物；由此制备蓝靛花提取物粉末；以及加入该提取物粉末的组合物。
• Composition for skin whitening containing lysophosphatidylethanolamine as an active ingredient
  申请人：Chung Guk Hoon

  公开号：US20050123492A1

  公开（公告）日：2005-06-09

  Lysophosphatidylethanolamine has skin whitening ability and thus a composition containing lysophosphatidylethanolamine as an active ingredient can be used to relieve hyperpigmentation or discoloration. The composition containing lysophosphatidylethanolamine can also induce moisturizing effect on skin, is very safe, and very stable.

  溶血磷脂酰乙醇胺具有美白皮肤的功效，因此含有溶血磷脂酰乙醇胺作为活性成分的组合物可用于缓解色素沉着或色斑。含有溶血磷脂酰乙醇胺的组合物还能对皮肤产生保湿作用，而且非常安全、稳定。