21-降膽甾烷(英語:21-Norcholestane,或稱為21-去甲膽甾烷17β-異辛基雄烷17β-Isoheptylandrostane)是一種26碳的甾烷類化合物,可在第三紀的湖泊沉積物中發現[1]

21-降膽甾烷
IUPAC名
(8S,9S,10S,13R,14S,17S)-10,13-dimethyl-17-(5-methylhexyl)-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene
系統名
(1S,2S,10S,11S,14S,15R)-2,15-dimethyl-14-(5-methylhexyl)tetracyclo[8.7.0.02,7.011,15]heptadecane
(1S,2S,10S,11S,14S,15R)-2,15-二甲基-14-(5-甲基己基)四環[8.7.0.02,7.011,15]十七烷
識別
CAS號 188740-35-4  checkY
PubChem 15807965
135072882((5α)-21-Norcholestane)
SMILES
 
  • CC(C)CCCC[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CCC4[C@@]3(CCCC4)C)C
InChI
 
  • 1S/C26H46/c1-19(2)9-5-6-10-21-13-15-23-22-14-12-20-11-7-8-17-25(20,3)24(22)16-18-26(21,23)4/h19-24H,5-18H2,1-4H3/t20?,21-,22-,23-,24-,25-,26+/m0/s1
InChIKey NJAGGVRNPGTXRG-ALEVNZSUSA-N
性質
化學式 C26H46
摩爾質量 358.64 g·mol−1
若非註明,所有數據均出自標準狀態(25 ℃,100 kPa)下。

另見

編輯

參考文獻

編輯
  1. ^ Bao JP, Li MW. Unprecedented occurrence of novel C26–C28 21-norcholestanes and related triaromatic series in evaporitic lacustrine sediments. Organic Geochemistry. 2001, 32 (8): 1031–1036. PMID 27494664. doi:10.1016/S0146-6380(01)00060-2.