| 摘要 |
<p>Derivs. of 1,4-dihydro 1-substd. 4-oxo 3-quinoline carboxylic acid of formula (I), (in which n is 1, 2 or 3 R is alkyl, alkenyl or cycloalkyl) are made by reacting a cpd. of formula (II), (in which n is as above; R' is alkyl; X is halogen) with an organic ester of formula R-Y (in which R is as above; Y is chlorine, bromine or sulphate).</p> |
