5,6-二羟基-2-(4-羟基-3-甲氧基苯基)-7,8-二甲氧基苯并吡喃-4-酮 | 76844-67-2

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 黄酮类化合物
• 中文名称: 5,6-二羟基-2-(4-羟基-3-甲氧基苯基)-7,8-二甲氧基苯并吡喃-4-酮
• 英文名称: 5,6,4'-trihydroxy-7,8,3'-trimethoxyflavone
• 英文别名: thymonin；mucroflavone B；5,6-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-7,8-dimethoxychromen-4-one
• CAS: 76844-67-2
• 化学式: C₁₈H₁₆O₈
• 分子量: 360.32
• InChiKey: BAIRXMVFPKLWSE-UHFFFAOYSA-N

物化性质

• 物理描述：
  Solid
• 熔点：
  225-226°C

计算性质

• 辛醇/水分配系数(LogP)：
  2.6
• 重原子数：
  26
• 可旋转键数：
  4
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.17
• 拓扑面积：
  115
• 氢给体数：
  3
• 氢受体数：
  8

安全信息

• 海关编码：
  2914509090

反应信息

• 作为反应物：
  描述：

  5,6-二羟基-2-(4-羟基-3-甲氧基苯基)-7,8-二甲氧基苯并吡喃-4-酮 在 盐酸 作用下， 以 甲醇 、 水 为溶剂， 反应 4.0h， 生成 川陈皮素
  参考文献：
  名称：

  Tlc, uv and acidic treatment in the differentiation of 5,6- and 5,8-dihydroxyflavones, 3-methoxyflavones and flavonols

  摘要：

  DOI：

  10.1016/s0040-4020(01)91379-1
• 作为产物：
  描述：

  5-羟基-2-(4-羟基-3-甲氧苯基)-6,7,8-三甲氧基-4H-色烯-4-酮 在 盐酸 作用下， 以 甲醇 、 水 为溶剂， 反应 48.0h， 以5%的产率得到5,6-二羟基-2-(4-羟基-3-甲氧基苯基)-7,8-二甲氧基苯并吡喃-4-酮
  参考文献：
  名称：

  Tlc, uv and acidic treatment in the differentiation of 5,6- and 5,8-dihydroxyflavones, 3-methoxyflavones and flavonols

  摘要：

  DOI：

  10.1016/s0040-4020(01)91379-1

文献信息

• AIR FRESHENER COMPOSITION AND PREPARATION METHOD THEREFOR
  申请人：Wang, Jingning

  公开号：EP3388137A1

  公开（公告）日：2018-10-17

  The present invention relates to the field of air cleaning, and specifically discloses an air freshener composition. The air freshener composition comprises component A and component B, wherein a weight ratio of the component A to the component B is 1: 0.5-3; the component A comprises, in parts by weight, 10-30 parts by weight of an active agent; 6-15 parts by weight of a carrier; 1-4 parts by weight of a pH regulator; and 0.01-0.2 part by weight of an antioxidant; the component B is a plant extract solution, wherein the plant extract solution comprises at least, in parts by weight: 5-30 parts by weight of an extract of a mixture of Populus nigra var. italica, grapefruit peels and eucalyptus leaves; 0.1-5 parts by weight of Sophora flavescens extract; 1-3 parts by weight of Aloe vera extract; 1-10 parts by weight of fresh orange peel extract; 0.5-3 parts by weight of Nandina domestica extract; 0.5-10 parts by weight of Eucalyptus robusta Smith extract; 1-8 parts by weight of Robinia pseudoacacia L. extract; 1-5 parts by weight of Chrysanthemum morifolium extract; and 0.1-2 parts by weight of artemisinin.

  本发明涉及空气清洁领域，具体公开了一种空气清新剂组合物。该空气清新剂组合物包括组分 A 和组分 B，其中组分 A 与组分 B 的重量比为 1：0.5-3；组分 A 按重量份数计包括：10-30 份活性剂；6-15 份载体；1-4 份 pH 值调节剂；以及 0.01-0.2 份抗氧化剂；组分 B 为植物提取物溶液，其中植物提取物溶液按重量份数计至少包括：5-30 份黑杨变种、葡萄柚皮和桉树叶的混合物提取物；0.1-5 份桉树叶提取物（按重量份数计）；0.1-0.2 份桉树叶提取物（按重量份数计）；0.1-0.3 份桉树叶提取物（按重量份数计）；0.1-0.4 份桉树叶提取物（按重量份数计）；0.1-0.5 份桉树叶提取物（按重量份数计）。italica、柚子皮和桉树叶的混合物的提取物；0.1-5 份（按重量份数计）白槐提取物；1-3 份（按重量份数计）芦荟提取物；1-10 份（按重量份数计）鲜橙皮提取物；0.5-3 份（按重量份数计）南丹提取物；0.5-10 份（按重量计）桉树提取物；1-8 份（按重量计）洋槐提取物；1-5 份（按重量计）菊花提取物；以及 0.1-2 份（按重量计）青蒿素。
• Air freshener composition and preparation method thereof
  申请人：Wang Jingning

  公开号：US10744219B2

  公开（公告）日：2020-08-18

  The present invention relates to the field of air cleaning, and specifically discloses an air freshener composition. The air freshener composition comprises component A and component B, wherein a weight ratio of the component A to the component B is 1:0.5-3; the component A comprises, in parts by weight, 10-30 parts by weight of an active agent; 6-15 parts by weight of a carrier; 1-4 parts by weight of a pH regulator; and 0.01-0.2 part by weight of an antioxidant; the component B is a plant extract solution, wherein the plant extract solution comprises at least, in parts by weight: 5-30 parts by weight of an extract of a mixture of Populus nigra var. italica, grapefruit peels and eucalyptus leaves; 0.1-5 parts by weight of Sophora flavescens extract; 1-3 parts by weight of Aloe vera extract; 1-10 parts by weight of fresh orange peel extract; 0.5-3 parts by weight of Nandina domestica extract; 0.5-10 parts by weight of Eucalyptus robusta Smith extract; 1-8 parts by weight of Robinia pseudoacacia L. extract; 1-5 parts by weight of Chrysanthemum morifolium extract; and 0.1-2 parts by weight of artemisinin.

  本发明涉及空气净化领域，具体公开了一种空气清新剂组合物。该空气清新剂组合物由组分 A 和组分 B 组成，其中组分 A 与组分 B 的重量比为 1:0.5-3；组分 A 按重量份数计包括：10-30 份活性剂；6-15 份载体；1-4 份 pH 值调节剂；以及 0.01-0.2 份抗氧化剂；组分 B 为植物提取物溶液，其中植物提取物溶液按重量份数计至少包括：5-30 份黑杨变种、柚子皮和桉树叶的混合物提取物；0.1-5 份桉树叶提取物（按重量份数计）；0.1-0.2 份桉树叶提取物（按重量份数计）；0.1-0.3 份桉树叶提取物（按重量份数计）；0.1-0.4 份桉树叶提取物（按重量份数计）；0.1-0.5 份桉树叶提取物（按重量份数计）。italica、柚子皮和桉树叶的混合物的提取物；0.1-5 份（按重量份数计）白槐提取物；1-3 份（按重量份数计）芦荟提取物；1-10 份（按重量份数计）鲜橙皮提取物；0.5-3 份（按重量份数计）南丹提取物；0.5-10 份（按重量计）桉树提取物；1-8 份（按重量计）洋槐提取物；1-5 份（按重量计）菊花提取物；以及 0.1-2 份（按重量计）青蒿素。
• HORIE TOKUNARU; KOURAI HIROKI; NAKAYAMA MITSURU; TSUKAYAMA MASAO; MASUMUR+, NIXON KAGAKU KAJSI, NIRRON KAGAKU KAISNI, J. CHEM. SOS. JAR., CHEM. AND I+
  作者：HORIE TOKUNARU、 KOURAI HIROKI、 NAKAYAMA MITSURU、 TSUKAYAMA MASAO、 MASUMUR+

  DOI：——

  日期：——
• AIR FRESHENER COMPOSITION AND PREPARATION METHOD THEREOF
  申请人：WANG Jingning

  公开号：US20200164096A1

  公开（公告）日：2020-05-28

  The present invention relates to the field of air cleaning, and specifically discloses an air freshener composition. The air freshener composition comprises component A and component B, wherein a weight ratio of the component A to the component B is 1:0.5-3; the component A comprises, in parts by weight, 10-30 parts by weight of an active agent; 6-15 parts by weight of a carrier; 1-4 parts by weight of a pH regulator; and 0.01-0.2 part by weight of an antioxidant; the component B is a plant extract solution, wherein the plant extract solution comprises at least, in parts by weight: 5-30 parts by weight of an extract of a mixture of Populus nigra var. italica , grapefruit peels and eucalyptus leaves; 0.1-5 parts by weight of Sophora flavescens extract; 1-3 parts by weight of Aloe vera extract; 1-10 parts by weight of fresh orange peel extract; 0.5-3 parts by weight of Nandina domestica extract; 0.5-10 parts by weight of Eucalyptus robusta Smith extract; 1-8 parts by weight of Robinia pseudoacacia L. extract; 1-5 parts by weight of Chrysanthemum morifolium extract; and 0.1-2 parts by weight of artemisinin.
• Tlc, uv and acidic treatment in the differentiation of 5,6- and 5,8-dihydroxyflavones, 3-methoxyflavones and flavonols
  作者：F.A.T. Barberán、F. Ferreres、F. Tomás

  DOI：10.1016/s0040-4020(01)91379-1

  日期：1985.1