[EN] INHIBITORS OF CYTOKININ OXIDASE DERIVED FROM 1-[2-(HYDROXYALKYL)PHENYL]-3-YLUREA, USE THEREOF AND PREPARATIONS CONTAINING THESE DERIVATIVES<br/>[FR] INHIBITEURS DE LA CYTOKININE OXYDASE DÉRIVÉS DE 1-[2-(HYDROXYALKYL)PHÉNYL]-3-YL-URÉE, LEUR UTILISATION ET PRÉPARATIONS CONTENANT CES DÉRIVÉS
申请人:UNIV PALACKEHO
公开号:WO2021185391A1
公开(公告)日:2021-09-23
The present invention relates to substituted 1-[2-(hydroxyalkyl)phenyl]-3-yl-urea derivatives of the general formula (I), which inhibit one of the key plant enzymes cytokinin oxidase/dehydrogenase (CKX); wherein R1 is hydrogen, halogen, methoxy group, trifluoromethoxy group, methylsulphanyl group or trifluoromethylsulphanyl group; R2 is hydrogen, halogen, amino group, (C1-C5) alkyl, (C2-C5) alkenyl, (C2-C5) alkynyl, or (C1-C5) alkylamino group, wherein (C1-C5) alkyl, (C2-C5) alkenyl, (C2-C5) alkynyl and (C-C5) alkylamino group is optionally substituted with hydroxy and/or amino group; and R3 and R4 are independently hydrogen or halogen, and wherein when X is nitrogen, then R2 is hydrogen or halogen. The invention further relates to the use of these substances in agriculture as stimulators of plant growth and development and as anti-stress factors and to the preparations containing these derivatives.
本发明涉及通式(I)的取代1-[2-(羟基烷基)苯基]-3-基脲衍生物,其抑制植物关键酶细胞分裂素氧化酶/脱氢酶(CKX)之一;其中R1为氢、卤素、甲氧基、三氟甲氧基、甲基硫基或三氟甲基硫基;R2为氢、卤素、氨基、(C1-C5)烷基、(C2-C5)烯基、(C2-C5)炔基或(C1-C5)烷基氨基,其中(C1-C5)烷基、(C2-C5)烯基、(C2-C5)炔基和(C-C5)烷基氨基可以选择性地与羟基和/或氨基取代;R3和R4独立地为氢或卤素,当X为氮时,R2为氢或卤素。本发明还涉及这些物质在农业中作为植物生长和发育的刺激剂以及抗压因子的使用,以及含有这些衍生物的制剂。