| 摘要 |
Benzopyranopyridine acetic acid esters of formula (I) are new. In (I) , R1-R3 are each H or C1-4 alkyl; n is 1 or 2. Esp. cpds. include N, N-dimethylcarbamoyl methyl alpha 2-dimethyl-5H[1 benzopyrano-(2,3-b)- pyridine-7-acetate. (I) are useful as antiinflammatories, analgesics and antipyretics with minimal adverse action on G.I. tract, in the treatment of inflammation, pain, fever, arthritis, rheumatism, at dose e.g. 10-300 mg/day.
|
