abstract |
PROCEDURE TO PREPARE NEW PIRIMIDO2,1-BBENZOTHIAZOLES FORMULA (I). A COMPOUND OF FORMULA (II) IS REACTED WITH A COMPOUND OF FORMULA (III), THE RESULTING COMPOUND IS SAPONIFIED AND THE RESULT OF THIS SAPONIFICATION IS ESTERIFIED WITH AN ALCOHOL OF 1 TO 6 CARBONS, WHICH IS ISOLATED AND, IF DESIRED , IT IS SALIFIED. THESE COMPOUNDS ARE USEFUL AS ANTI-ALLERGIC DRUGS. |