描述 |
β-Amyrin 是番茄果实的表面蜡和蒲公英咖啡中的一种成分,能阻断淀粉样 β (Aβ) 诱导的增强效应损害。β-amyrin 是一种有前景成为治疗 AD 的候选药物。 |
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相关类别 |
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SMILES |
CC1(C)[C@@H](O)CC[C@]2(C)[C@@]3([H])CC=C4[C@]5([H])CC(C)(C)CC[C@@](C)5CC[C@](C)4[C@@](C)3CC[C@@]12[H] |
参考文献 |
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密度 | 1.0±0.1 g/cm3 |
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沸点 | 490.7±44.0 °C at 760 mmHg |
熔点 | 187-190°C |
分子式 | C30H50O |
分子量 | 426.717 |
闪点 | 217.7±20.7 °C |
精确质量 | 426.386169 |
PSA | 20.23000 |
LogP | 11.06 |
外观性状 | 白色结晶粉末 |
蒸汽压 | 0.0±2.8 mmHg at 25°C |
折射率 | 1.539 |
稳定性 |
1. 存在于烤烟烟叶、烟气中。 2. 和a-香树素一起存在。 3. 比a-异构体的溶解度稍小。 |
分子结构 |
1、 摩尔折射率:131.92 2、 摩尔体积(cm3/mol):420.8 3、 等张比容(90.2K):1054.8 4、 表面张力(dyne/cm):39.4 5、 极化率(10-24cm3):52.29 |
更多 |
1. 沸点(?C):260(66.65pa) 2. 熔点(?C):197~197.5 3. 闪点(?C):217.7 4. 相对密度(d204) :1.01 5. 溶解性:不溶于水,微溶于乙醇、氯仿、溶于乙醚、苯。 |
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个人防护装备 |
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter |
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危害码 (欧洲) |
Xi |
风险声明 (欧洲) |
R22 |
安全声明 (欧洲) |
S22-S45 |
危险品运输编码 | NONH for all modes of transport |
WGK德国 | 3 |
beta-香树精上游产品? 7 | |
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beta-香树精下游产品? 1 | |
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1. 从石油醚或乙醇中得针晶。
2. 烟草:FC,41;FC,8;可由δ-Amylene转化而得。
β-Amyrin biosynthesis: the critical role of steric volume at C-19 of 2,3-oxidosqualene for its correct folding to generate the pentacyclic scaffold. Org. Lett. 16(13) , 3548-51, (2014)
The effect of the steric volume at C-19 of (3S)-2,3-oxidosqualene 1 on the polycyclization reaction by β-amyrin synthase was examined. The substrate analogs, in which the methyl group at C-19 of 1 was…
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Comparative analysis of CYP93E proteins for improved microbial synthesis of plant triterpenoids. Phytochemistry 108 , 47-56, (2014)
Cytochrome P450-dependent monooxygenases (P450s) belonging to the CYP93E subfamily catalyze the C-24 oxidation of the triterpene backbone during the biosynthesis of triterpenoid saponins, which are bi…
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Antitrypanosomal triterpenoid with an ε-lactone E-ring from Salvia urmiensis. J. Nat. Prod. 76(9) , 1806-9, (2013)
A new triterpenoid, urmiensolide (1), was isolated from Salvia urmiensis. The structure was elucidated by a combination of 1D and 2D NMR, HRESIMS, and X-ray crystallographic analyses. The absolute con…
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B-AMYRIN |
MFCD00017381 |
(3β)-Olean-12-én-3-ol |
Olean-12-en-3-ol |
(3S,4aR,6aR,6bS,8aR,12aR,14aR,14bR)-4,4,6a,6b,8a,11,11,14b-Octaméthyl-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,14,14a,14b-icosahydro-3-picénol |
(3β)-Olean-12-en-3-ol |
β-Amyrenol |
β-amyrin |
Olean-12-en-3b-ol |
AMYRIN,B |
Olean-12-en-3-ol, (3β)- |
(3S,4aR,6aR,6bS,8aR,12aR,14aR,14bR)-4,4,6a,6b,8a,11,11,14b-Octamethyl-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,14,14a,14b-icosahydro-3-picenol |
beta-amyrin |
b-amyrenol |
Olean-12-en-3β-ol |
Einecs 209-204-6 |