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4-乙炔基联苯中乙炔基的代谢氧化。

Metabolic oxidation of the ethynyl group in 4-ethynylbiphenyl.

作者信息

Wade A, Symons A M, Martin L, Parke D V

出版信息

Biochem J. 1979 Dec 15;184(3):509-17. doi: 10.1042/bj1840509.

Abstract
  1. 4-Ethynylbiphenyl undergoes extensive metabolism in the rat and the rabbit, involving aromatic hydroxylation and oxidation of the ethynyl group. No metabolites containing the intact ethynyl group were detected. 2. In the rat unchanged 4-ethynylbiphenyl was concentrated initially in the adipose tissue. No other tissues accumulated significant amounts of radioactivity. 3. The major metabolites were the same in both the rat and the rabbit, namely 4'-hydroxybiphenyl-4-ylacetic acid (90-95% of dose) and biphenyl-4-ylacetic acid (2-10% of dose). 4. Excretion was slower in the rat than in the rabbit, probably because of greater biliary and faecal excretion in the rat. Biliary excretion and enterohepatic circulation of biphenyl-4-ylacetic acid and 4'-hydroxybiphenyl-4-ylacetic acid were demonstrated in the rat.
摘要
  1. 4-乙炔基联苯在大鼠和兔子体内经历广泛代谢,涉及芳香环羟基化和乙炔基氧化。未检测到含有完整乙炔基的代谢物。2. 在大鼠体内,未变化的4-乙炔基联苯最初集中在脂肪组织中。没有其他组织积累大量放射性。3. 大鼠和兔子体内的主要代谢物相同,即4'-羟基联苯-4-乙酸(占剂量的90-95%)和联苯-4-乙酸(占剂量的2-10%)。4. 大鼠的排泄比兔子慢,可能是因为大鼠的胆汁和粪便排泄量更大。在大鼠体内证实了联苯-4-乙酸和4'-羟基联苯-4-乙酸的胆汁排泄和肠肝循环。

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本文引用的文献

4
The fate of diphenyl in the rat.
Arch Biochem Biophys. 1956 Jan;60(1):14-20. doi: 10.1016/0003-9861(56)90390-3.
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Influence of body weight, age, diet and sex on fat depots in rats.
Anat Rec. 1970 Mar;166(3):437-45. doi: 10.1002/ar.1091660303.
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Metabolism of radioactive 17alpha-ethynylestradiol by women.
Steroids. 1970 May;15(5):695-710. doi: 10.1016/s0039-128x(70)80074-5.

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