胆酸(英语:Cholic acid,也被称为3α,7α,12α-三羟基-5β-胆烷-24-羧酸,3α,7α,12α-trihydroxy-5β-cholan-24-oic acid)是胆汁酸的主要成分[1],不溶于水,可溶于乙醇乙酸,固态为白色晶体,其盐类被称为胆酸盐(英语:cholates)。

Quick Facts Cholic acid, 识别 ...
Cholic acid
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IUPAC名
(R)-4-((3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-3,7,12-Trihydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
系统名
(4R)-4-[(1S,2S,5R,7S,9R,10R,11S,14R,15R,16S)-5,9,16-trihydroxy-2,15-dimethyltetracyclo[8.7.0.02,7.011,15]heptadecan-14-yl]pentanoic acid
(4R)-4-[(1S,2S,5R,7S,9R,10R,11S,14R,15R,16S)-2,15-二甲基-5,9,16-三羟基四环[8.7.0.02,7.011,15]十七烷-14-基]戊酸
别名 3α,7α,12α-三羟基-5β-胆烷-24-羧酸
识别
CAS号 81-25-4  checkY
PubChem 221493
ChemSpider 192176
SMILES
 
  • C[C@H](CCC(=O)O)[C@H]1CC[C@@H]2[C@@]1([C@H](C[C@H]3[C@H]2[C@@H](C[C@H]4[C@@]3(CC[C@H](C4)O)C)O)O)C
InChI
 
  • 1/C24H40O5/c1-13(4-7-21(28)29)16-5-6-17-22-18(12-20(27)24(16,17)3)23(2)9-8-15(25)10-14(23)11-19(22)26/h13-20,22,25-27H,4-12H2,1-3H3,(H,28,29)/t13-,14+,15-,16-,17+,18+,19-,20+,22+,23+,24-/m1/s1
InChIKey BHQCQFFYRZLCQQ-OELDTZBJBZ
ChEBI 16359
DrugBank DB02659
KEGG D10699
IUPHAR配体 609
性质
化学式 C24H40O5
摩尔质量 408.57 g·mol−1
熔点 200-201 °C(473-474 K)
磁化率 -282.3·10−6 cm3/mol
药理学
ATC代码 A05AA03A05
药品许可证
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。
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胆酸和鹅去氧胆酸胆汁酸的两大主要成分,由肝脏代谢胆固醇生成,这两种主要胆汁酸在人体内的浓度大致相等[2]。胆酸的衍生物主要由胆酸-辅酶A(cholyl-CoA)生成,其中CoA可以与甘氨酸牛磺酸交换,生成甘氨胆酸牛磺胆酸[3]

参考文献

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