abstract |
PROCEDURE FOR OBTAINING NEW HYDORIPYRIDINE DERIVATIVES, FROM FORMULA: WHERE R1, R2, R3 AND ... HAVE THE MEANING INDICATED IN THE DESCRIPTION BY REACTION OF A FORMULA COMPOUND: R3-X1 (IIA) OR A SALT OF THE SAME, WHERE X1 MEANS HYDROXY OR STERIFIED HYDROXY, CAPABLE OF REACTION, WITH A COMPOUND OF FORMULA: WITH A TAUTOMER OR SALT OF THE SAME. |