abstract |
FORMULA COMPOUNDS IN WHERE R1 REPRESENTS A RADICAL OF PHENYLL, PHENOXYL, PHENYLTI, PHENYL SULPHONYL, PHENYLAMINE OR PHENYLMENTILE REPLACED OR NOT REPLACED, R2 IS HYDROGEN, R3 OIL REPRESENT, HIDRAL ORAL , AND R2 AND R3 or R3 AND R4 FORM A PIPERACINE RING THAT CAN BE REPLACED, WITH METALOPROTEINASE INHIBITING ACTIVITY. |