银杏内酯B结构式
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常用名 | 银杏内酯B | 英文名 | Ginkgolide B |
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CAS号 | 15291-77-7 | 分子量 | 424.399 | |
密度 | 1.6±0.1 g/cm3 | 沸点 | 762.4±60.0 °C at 760 mmHg | |
分子式 | C20H24O10 | 熔点 | 280°C (dec.) | |
MSDS | 美版 | 闪点 | 274.3±26.4 °C |
银杏内酯B用途银杏内酯B (Ginkgolide B)是一种萜类物质,是银杏叶中的重要的活性物质之一。 |
中文名 | 银杏内酯B |
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英文名 | Ginkgolide B |
中文别名 | 银杏苦内酯B | 白果苦内酯 B | 染料木素,金雀异黄酮 |
英文别名 | 更多 |
描述 | 银杏内酯B (Ginkgolide B)是一种萜类物质,是银杏叶中的重要的活性物质之一。 |
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相关类别 | |
参考文献 |
密度 | 1.6±0.1 g/cm3 |
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沸点 | 762.4±60.0 °C at 760 mmHg |
熔点 | 280°C (dec.) |
分子式 | C20H24O10 |
分子量 | 424.399 |
闪点 | 274.3±26.4 °C |
精确质量 | 424.136932 |
PSA | 148.82000 |
LogP | 0.52 |
外观性状 | 白色晶体粉末 |
蒸汽压 | 0.0±5.8 mmHg at 25°C |
折射率 | 1.651 |
储存条件 | 2-8°C |
分子结构 | 五、分子性质数据: 1、 摩尔折射率:94.20 2、 摩尔体积(m3/mol):258.0 3、 等张比容(90.2K):769.3 4、 表面张力(dyne/cm):79.0 5、 极化率(10-24cm3):37.34 |
计算化学 | 1、 疏水参数计算参考值(XlogP):-0.4 2、 氢键供体数量:3 3、 氢键受体数量:10 4、 可旋转化学键数:1 5、 互变异构体数量:6 6、 拓扑分子极性表面积(TPSA):149 7、 重原子数量:30 8、 表面电荷:0 9、 复杂度:925 10、 同位素原子数量:0 11、 确定原子立构中心数量:7 12、 不确定原子立构中心数量:4 13、 确定化学键立构中心数量:0 14、 不确定化学键立构中心数量:0 15、 共价键单元数量:1 |
更多 | 1.性状:未确定 2.密度(g/mL,25/4℃):未确定 3.相对蒸汽密度(g/mL,空气=1):未确定 4.熔点(ºC):280 5.沸点(ºC,常压):未确定 6.沸点(ºC,5.2kPa):未确定 7.折射率:未确定 8.闪点(ºC):未确定 9.比旋光度(º):未确定 10.自燃点或引燃温度(ºC):未确定 11.蒸气压(kPa,25ºC):未确定 12.饱和蒸气压(kPa,60ºC):未确定 13.燃烧热(KJ/mol):未确定 14.临界温度(ºC):未确定 15.临界压力(KPa):未确定 16.油水(辛醇/水)分配系数的对数值:未确定 17.爆炸上限(%,V/V):未确定 18.爆炸下限(%,V/V):未确定 19.溶解性:未确定 |
~95% 银杏内酯B 15291-77-7 |
文献:Jaracz, Stanislav; Malik, Shahid; Nakanishi, Koji Phytochemistry, 2004 , vol. 65, # 21 SPEC. ISS. p. 2897 - 2902 |
~% 银杏内酯B 15291-77-7 |
文献:Tetrahedron Letters, , vol. 33, # 46 p. 6955 - 6958 |
~73% 银杏内酯B 15291-77-7 |
文献:Weinges, Klaus; Schick, Hartmut Liebigs Annalen der Chemie, 1991 , # 1 p. 81 - 83 |
~% 银杏内酯B 15291-77-7 |
文献:Tetrahedron Letters, , vol. 33, # 46 p. 6955 - 6958 |
~% 银杏内酯B 15291-77-7 |
文献:Tetrahedron Letters, , vol. 33, # 46 p. 6955 - 6958 |
~% 银杏内酯B 15291-77-7 |
文献:Tetrahedron Letters, , vol. 33, # 46 p. 6955 - 6958 |
~% 银杏内酯B 15291-77-7 |
文献:Liebigs Annalen der Chemie, , # 1 p. 81 - 83 |
~% 银杏内酯B 15291-77-7 |
文献:Liebigs Annalen der Chemie, , # 1 p. 81 - 83 |
~% 银杏内酯B 15291-77-7 |
文献:Bioorganic and Medicinal Chemistry Letters, , vol. 14, # 22 p. 5673 - 5675 |
银杏内酯B上游产品 2 | |
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银杏内酯B下游产品 1 | |
Complete 1H NMR spectral analysis of ten chemical markers of Ginkgo biloba.
Magn. Reson. Chem. 50(8) , 569-75, (2012) The complete and unambiguous (1)H NMR assignments of ten marker constituents of Ginkgo biloba are described. The comprehensive (1)H NMR profiles (fingerprints) of ginkgolide A, ginkgolide B, ginkgolid... |
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Mechanistic evaluation of Ginkgo biloba leaf extract-induced genotoxicity in L5178Y cells.
Toxicol. Sci. 139(2) , 338-49, (2014) Ginkgo biloba has been used for many thousand years as a traditional herbal remedy and its extract has been consumed for many decades as a dietary supplement. Ginkgo biloba leaf extract is a complex m... |
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Effects of Ginkgo biloba constituents on fruit-infesting behavior of codling moth (Cydia pomonella) in apples.
J. Agric. Food Chem. 59(20) , 10879-86, (2011) Codling moth, Cydia pomonella (L.), is a cosmopolitan pest of apple, potentially causing severe damage to the fruit. Currently used methods of combating this insect do not warrant full success or are ... |
(1R,3R,6R,7S,8S,10R,11R,12R,13S,16S,17R)-6,12,17-Trihydroxy-16-methyl-8-(2-methyl-2-propanyl)-2,4,14,19-tetraoxahexacyclo[8.7.2.0.0.0.0]nonadecane-5,15,18-trione |
ginkgolide b from ginkgo biloba leaves |
6H-9,4a-(Epoxymethano)-3aH,9H-cyclopenta[c]furo[2,3-b]furo[3',2':3,4]cyclopenta[1,2-d]furan-2,6,13(1H)-trione, 11-(1,1-dimethylethyl)hexahydro-1,4b,8-trihydroxy-5-methyl-, (1R,3aR,4aR,4bR,5S,8R,8aS,9R,11S,11aS)- |
7-DEOXYGINKGOLIDE C |
6H-9,4a-(Epoxymethano)-3aH,9H-cyclopenta[c]furo[2,3-b]furo[3',2':3,4]cyclopenta[1,2-d]furan-2,6,13(1H)-trione, 11-(1,1-dimethylethyl)hexahydro-1,4b,8-trihydroxy-5-methyl-, (1R,3aR,4aR,4bR,5S,7aS,8R,8aR,9R,11S,11aS)- |
6H-9,4a-(epoxymethano)-3aH,9H-cyclopenta[c]furo[2,3-b]furo[3',2':3,4]cyclopenta[1,2-d]furan-2,6,13(1H)-trione, 11-(1,1-dimethylethyl)hexahydro-1,4b,8-trihydroxy-5-methyl-, (1R,3aR,4aR,4bR,5S,7aS,8aR,9R,11aS)- |
(1R,3R,6R,7S,8S,10R,11R,12R,13S,16S,17R)-8-tert-Butyl-6,12,17-trihydroxy-16-methyl-2,4,14,19-tetraoxahexacyclo[8.7.2.0.0.0.0]nonadecane-5,15,18-trione |
3-tert-butyl hexahydro-4,-7b-11 hydroxy-8-methyl |
MFCD05662347 |
(1R,3R,7S,8S,10R,11R,12R,13S,16S,17R)-8-tert-Butyl-6,12,17-trihydroxy-16-methyl-2,4,14,19-tetraoxahexacyclo[8.7.2.0.0.0.0]nonadecane-5,15,18-trione |
(1R,3R,6R,7S,8S,10R,11S,12R,16S,17R)-6,12,17-Trihydroxy-16-methyl-8-(2-methyl-2-propanyl)-2,4,14,19-tetraoxahexacyclo[8.7.2.0.0.0.0]nonadecane-5,15,18-trione |
ginkgolide B from ginkgo leaves |
GinkgolideB |