| 摘要 |
Pyridobenzothiazine derivatives with high antimicrobial activity having the following general formula: …<CHEM>… wherein… R is H or CH3; n is 0 or 1 or 2 and Y is Cl or F, …<CHEM>… wherein R<1> is a C1-C6 alkyl… or a C2-C6 alkenyl, or an arylalkyl, arylalkylcarbonyl, alkylcarbonyl, alkyloxycarbonyl, possibly substituted with halogens or hydroxy groups. …<??>The present invention relates also to the processes for obtaining the compounds having the general formula (I). Such processes consist in synthesis routes using as starting products 3-chloro-4-fluoraniline, or 2,3,4-trifluoronitrobenzene. |
