Xenobiotica 1982-02-01

A comparison of the metabolism and elimination of benzanilide and salicylanilide in the rat.

S C Mitchell, H M Norbury, R H Waring, P M Gadsden, P B Wood

文献索引：Xenobiotica 12(2) , 93-9, (1982)

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摘要

1. The metabolism and elimination of benzanilide and salicylanilide in rats were compared. 2. For both compounds, greater than 70% dose was excreted in urine with 20% in faeces, in 3 days. 3. With [14C]benzanilide and [14C]salicylanilide, 40% and 35% respectively of the 14C was excreted in the bile in 24 h. 4. Benzanilide was metabolized to 4'-hydroxybenzanilide (24%), 2-hydroxybenzanilide (salicylanilide, 19%) and 2'-hydroxybenzanilide (13%), with small amounts of 4-hydroxybenzanilide. 5. Salicylanilide was excreted unchanged (56%) with small amounts of the 5-hydroxy and 4'-hydroxy-derivatives. 6. All metabolites were present as glucuronide conjugates; the free aglycones were not found.