1)  hydroxylic hydrogen
羟基氢
2)  1,2,4-Benzenetriol
羟基氢醌
3)  1,2,4-Trihydroxybenzene
羟基氢醌
4)  Hydroxyhydroquinone
羟基氢醌
5)  6β-hydroxycortisol
6β-羟基氢化可的松
1.
Objective: To investigate the activity of CYP3A enzyme, an effective method of HPLC (Gradient elution)for determining the concentration of 6p-hydroxycortisol and cortisol in urine and measuring the ratio of 6β-hydroxycortisol and cortisol was established.
目的:用HPLC法(梯度洗脱)测定尿液中6β-羟基氢化可的松(6β-OHC)和氢化可的松(HC)的含量,计算6β-OHC和HC的比值以反映人体中CYP3A酶的活性,为其研究提供有效的分析手段。
2.
METHODS After collecting urine for 24 hours,the urinary concentrations of HC and 6β-hydroxycortisol(6β-OHC) were determined by high performance liquid chromatography(HPLC).
方法:收集24h尿液,以HPLC法测定尿液中氢化可的松(HC)与6β-羟基氢化可的松(6β-OHC)的含量,以6β-OHC/HC来评估细胞色素P4503A酶的活性。
3.
The endogenous 6β-hydroxycortisol and cortisol concentrations in the urine were determined.
方法直接收集20例精神病住院患者晨尿液,测定尿液中内源性氢化可的松与6β-羟基氢化可的松的含量,以6β-羟基氢化可的松/氢化可的松来评估CYP3A酶的活性。
6)  (3S,4S)-N-benzyldihydroxy pyrrolidine
(3S,4S)-N-苄基二羟基氢化吡咯
参考词条
补充资料:羟基氢醌
分子式:C6H6O3
分子量:126.11
CAS号:533-73-3

性质:从乙醚中得叶状结晶。熔点140.5℃。溶于水、乙醇、乙醚、乙酸乙酯,几乎不溶于三氯甲烷、二硫化碳、苯。

制备方法:由对苯醌和乙酐制得1,2,4-苯三酚三乙酸酯,再与盐酸作用即得该品。1.1,2,4-苯三酚三乙酸酯的制备将干燥的对苯醌分次加入乙酐和浓硫酸的混合物中,反应温度为40-50℃,反应1-3h。向反应物加冷水,将析出的沉淀过滤、冷水洗涤,用醇重结晶,即得1,2,4-苯三酚三乙酸酯。熔点96.5-97℃。2.1,2,4-苯三酚的制备将5%盐酸与1,2,4-苯三酚三乙酸酯一起搅拌加热至90℃,水解20min,冷却。用碳酸钠中和,过滤。滤液用乙醚提取,将乙醚提取液加热蒸去乙醚,即得1,2,4-苯三酯。

用途:有机合成中间体,气体分析吸收剂。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。