| 摘要 |
<p>(A) pyridazo(1,2-a)(1,2)diazepine phosphonic, phosphonic and phosphonic acid derivs. of formula (I) and their pharmaceuti-cally utilisable salts are new; where R1=OH, alkyl, aralkyl, aralkoxyalkyl, hydroxyalkyl, aminoalkyl, acylominoalkyl, mono- or dialkylaminoalkyl, alkoxycarbonylaminoalkyl, haloalkyl, carboxyalkyl, alkoxycarbonylalkyl, alkoxy or aralkoxy; R2, R3=H alkyl or aralkyl; R4, R5=H; or R4, R5=O; X=O, -NR6- or -(CH2)n-; R6=H, alkyl or aralkyl; n=0, 1 or 2.</p> |
