of (22E)-24-methylcholesta-8(14),22-diene-3 beta,5 alpha,6 beta,7 alpha-tetraol (1), isolated from the marine-derived fungus Penicillium sp., indicates that, in reality, the compound is 5 alpha,6 alpha-epoxy-(22E,24R)-24-methyleholesta-8(14),22-diene-3 beta,7 alpha-diol (5...
化学名:cholesta-5,7-diene-1 alpha,3 beta-diolCAS番号.43217-89-6 英語名:cholesta-5,7-diene-1 alpha,3 beta-diolCBNumberCB61399736MFC27H44O2MW400.64MOL File43217-89-6.molSend Inquriy ホームページ| CAS| コンピューター版Chemical Book ...
中文同义词: 胆固醇-5,7-二烯-1-Α,3-Β-二乙酰二乙酸酯 英文名称: cholesta-5,7-diene-1alpha,3beta-diyl diacetate 英文同义词: cholesta-5,7-diene-1alpha,3beta-diyl diacetate;Cholesta-5,7-diene-1α,3β-diol diacetate;Diacetic acid cholesta-5,7-diene-1α,3β-diyl ester;Cholesta-5,7-...
英文名称 3β-hydroxy-5,24-cholestadiene 生化机理 链甾醇是Bloch途径中的胆固醇前体,24-去氢胆固醇还原酶在此步骤中起催化作用。链甾醇在24-去氢胆固醇还原酶的损耗过程中累积,导致链甾醇化。链甾醇是肝X受体(LXR)激动剂。它是治疗神经退行性疾病的潜在靶点。链甾醇可调节巨噬细胞中的炎症信号。 储存温度 -...
22S-Butyl-(1.alpha.,3.beta.)-chola-5,7-diene-1,3,24-triol (1S,3R,9S,10R,13R,14R,17R)-17-[(1S,2S)-5-hydroxy-1,2,5-trimethyl-hexyl]-10,13-dimethyl-2,3,4,9,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthrene-1,3-diol (1S,3R,9S,10R,13R,14R,17R)-17-[(1R,...
1ALPHA,3BETA-DIHYDROXY-2BETA-FLUORO-CHOLEST-5-ENE AND CHOLESTA-5,7-DIENE AND THEIR ACETATESThe invention provides new derivatives of vitamin D.sub.3, specifically, 1&agr;-hydroxy-2&bgr;-fluorocholecalciferol.< P>The compound is characterized by vitamin D-like activity as measured by its ...
1mol of a 3beta-hydroxy-24-oxochlesta-5,7-diene derivative of formula II with oxygen in the presence of pref. 1-10mol of a basic compound such as sodium t-butoxide, pref. in an organic liquid such as benzene. The oxidation reaction is pref. carried out in a closed system by ...
E.g., 2 beta-(2-iodoethyloxy)-1 alpha ,3 beta ,25-tris(triethylsilyloxy)cholesta-5,7-dienedoi:US20020045772 A1wherein A denotes alkylene of 2 to 10 carbons; X denotes halogen; R a , R b and R c denote, independently hydrogen or hydroxyl protecting group; and R p , R q , R...
doi:US20070225513 A1A compound represented by formula (III)Tsuyoshi YamauchiUS
(I) and its preparation from cholesta - 1,5,7 - triene - 3#,25 - diol (VII) by reaction with a 4-substituted-1,2,4-triazoline- 3,5-dione to give V infra, epoxidation of which gives IV infra, reduction of which with a metal hydride (e.g. LiAlH 4 or LiBH 4 ) yields I (...