Patent ID: 8222260

Claim:
A method for inhibiting cytokinin oxidase/dehydrogenase, comprising: administering, to at least one of plant, mammal, microorganism, yeast and fungal cells, to delay senescence of said at least one of said plant, mammal, microorganism, yeast and fungal cells, an effective amount of at least one of a substituted 6-anilinopurine derivative of the general formula I and the pharmaceutically acceptable salts thereof with alkali metals, ammonium or amines, in the form of racemates or optically active isomers, as well as their addition salts with acids, wherein; R denotes one to five substituents independently selected from the group comprising hydrogen, halogen, hydroxyl, amino, alkyloxy and alkyl group, and R2 denotes amino, halogen, nitro, thio, or alkylthio group.