Material and process for forming a photographic image by means of a new magenta coupler

THE INVENTION REGARDS COLOR PHOTOGRAPHY DEVELOPS ON SENSITIVE MATERIAL IN THE PRESENCE OF A TRAINER OF MAGENTA COUPLER, FORMULA. (CF DRAWING IN BOPI) WHERE R IS acylamino, aNILINO, or ureido group; R IS NITRO GROUP NITROSO, amino, acylamino, sulfonamido, URETHANE, diacylamino, or ureido group; Q IS AN ATOM HYDROGEN OR HALOGEN ALKYL OR GROUP, ALKENYL, CYCLOALKYL, ARALKYL, ALCOXY, ARYLOXY, CARBOXY, ARYL, HETEROCYCLIC thiourethane, thioureido, acylhydrazino, alkylamino, dialkylamino, ANILINO alkylthio, MERCAPTO, arylthio , alkylsulfinyl, alkylsulfonyl, arylsulfinyl, arylsulfonyl, sulfamoyl, sulfo, thiocyano, hydroxy, aminocarbonyloxy, acyloxy, sulphonyloxy, alkylcarbonyl, arylcarbonyl, alkoxycarbonyl, aryloxycarbonyl, carbamoyl, aralkyloxycarbonyl, cyano; AR IS SUBSTITUTED PHENYL GROUP BY OR IF ANY OR MORE ATOMS HALOGEN OR BY ONE OR MORE GROUPS ALKYL, ALCOXY OR CYANO; M IS A WHOLE; N is 0, 1 or 2; M AND N MUST CHECK 1MN3 RELATIONSHIP. USE FOR IMAGING COLOR MAGENTA IMPROVED QUALITY.