abstract |
PROCEDURE FOR PREPARING QUINOLONE COMPOUNDS, OF FORMULA (I), WHERE R1, R2, R3, R4, AND R5 ARE DIFFERENT TYPES OF RADICALS; N IS 0, 1 OR 2. IT CONSISTS IN REACTING A COMPOUND OF FORMULA (II) OR AN YLIDE OF FORMULA (III), WITH AN ORTHOFORMATE ESTER; M IS 0 OR 1. THESE COMPOUNDS ARE USED TO REDUCE BLOOD PRESSURE. *FORMULA* |