| abstract |
PROCEDURE FOR OBTAINING B-LACTAM COMPOUNDS AND ITS PHYSIOLOGICALLY COMPATIBLE SALTS OR IN VITRO HYDROLIZABLE ESTERS, OF FORMULA (I), IN WHICH R CAN BE ONE OF SEVERAL RADICALS. IT CONSISTS OF THE REACTION OF A COMPOUND OF FORMULA (II), OR ONE OF ITS SALTS OR ESTERS, WITH A COMPOUND OF FORMULA RZ, IN WHICH R IS THE SAME AS IN FORMULA (I), R9 IS HYDROGEN OR PROTECTIVE GROUP OF AMINO YZ IS EASILY MOVABLE GROUP; FOLLOWED BY THE SEPARATION OF THE R9 GROUP, IF IT IS NOT HYDROGEN. THESE COMPOUNDS HAVE PHARMACOLOGICAL APPLICATIONS FOR THE TREATMENT OF BACTERIAL INFECTIONS. |