| abstract |
THE SUBJECT OF THE INVENTION IS A PROCESS FOR PREPARING DERIVATIVES OF BENZOFURANNE-2-ONE OR INDOLINE-2-ONE. ACCORDING TO THE INVENTION A COMPOUND OF THE FORMULA: (CF DRAWING IN BOPI) IN WHICH THE SYMBOLS R, R, R AND R MEAN HYDROGEN, CHLORINE, A -NO GROUP, HYDROXY, ALCOXY, ACYL, ACYLOXY OR PHENYLCARBONYLOXY, PHENYLTHIO, ALKYL, PHENOXY, CYCLOALKYL, PHENYL OR METHYLENE-THIO POSSIBLY SUBSTITUTED OR A PHENYLACETIC REMAINDER OR ALKYLENE-CARBOXY OR R AND R FORGET TOGETHER 2-BENZ-BENZ-OR-BENZ-OR-BENZ-OR-BENZ-OR-R CONSTRUCTED TOGETHER TOGETHER, ONE-BENZ-BENZ-OR R AND R CONSTRUCTED TOGET TOGETHER WITH BENZ-ONE CONDOM, OR ONE RD-ONE CONDOM, OR BENZ-ONE CONDOM, OR ONE RD-ONE CONDOM R AND R FORM TOGETHER A REST BENZOFURAN-2-ONE OR TETRAMETHYLENE, AND G MEANS A HALOGEN ATOM OR A SECONDARY AMINO OR MORPHOLINO GROUP, WITH A CYANIDE, THEN THE COMPOUNDS OBTAINED ARE HYDROLYZED AND SUBJECTED TO CYCLING. |