| abstract |
PROCEDURE FOR PREPARING 1,4-DIHYDROKINOLINE-DERIVED CARBOXYL AND BORIC ACID ANHYDRIDS, FROM GENERAL FORMULA I (IN WHICH R AND R1 MEAN AN ACILOXI ALIPHATIC GUN, OPTIONALLY GIVEN AROMATIC COMPRISING 7-11 CARBON ATOMS), WHICH INCLUDES REACTIONING A COMPOUND OF GENERAL FORMULA II (IN WHICH R2 MEANS HYDROGEN OR ALKYL COMPRISING 1-4 CARBON ATOMS) WITH A BOROUS DERIVATIVE OF THE GENERAL FORMULA IN WHICH R3, R4 AND R5 MEAN AN ALKYL GROUP THAT INCLUDES 1-4 ATOMS OF CARBON AND OPTIONALLY REPLACED BY HALOGEN OR AN ARYLUS GROUP THAT INCLUDES 6-10 CARBON ATOMS). THE NEW COMPOUNDS OF THE GENERAL FORMULA I ARE USEFUL PHARMACEUTICAL INTERMEDIATES. |