光甾醇(英語:Lumisterol,又叫光固醇,(3b,9b,10a,22E)-Ergosta-5,7,22-trien-3-ol)是一種分子式為C28H44O的類固醇化合物,是麥角固醇的(9β,10α)立體異構物[2]。過去的維生素D1實際上是維生素D2和光甾醇的混合物,光甾醇可通過σ[1,7]遷移反應轉化為維生素D2[3]。
Lumisterol | |
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IUPAC名 (3S,9R,10S,13R,14R,17R)-17-[(E,2R,5R)-5,6-Dimethylhept-3-en-2-yl]-10,13-dimethyl-2,3,4,9,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3-ol | |
識別 | |
CAS號 | 474-69-1 |
PubChem | 6436872 |
ChemSpider | 4941479 |
SMILES |
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InChI |
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InChIKey | DNVPQKQSNYMLRS-YAPGYIAOBK |
性質 | |
化學式 | C28H44O |
摩爾質量 | 396.65 g·mol−1 |
熔點 | 118 °C(391 K)[1] |
若非註明,所有數據均出自標準狀態(25 ℃,100 kPa)下。 |
轉化為維生素D2
參考文獻
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