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    • 8. 发明授权
    • Plant growth regulating 1-aryl-1,4-dihydro-4-oxo(thio)-pyridazines
    • 植物生长调节1-芳基-1,4-二氢-4-氧代(硫代) - 哒嗪
    • US4661145A
    • 1987-04-28
    • US652437
    • 1984-09-20
    • Ted T. Fujimoto
    • Ted T. Fujimoto
    • A01H1/02A01N43/58A01N47/22C07D237/24
    • C07D237/24A01H1/02A01N43/58A01N47/22
    • Compounds of the formula ##STR1## wherein R.sup.1 is aryl or substituted aryl,R.sup.2 is alkyl, or aryl,R.sup.3 is hydrogen, alkyl, aralkyl, or halogen, orR.sup.2 and R.sup.3 taken together are --(CH.sub.2).sub.n -- where n is 3 to 8Z is oxygen or sulfur, andY is the group Z'R.sup.4 or NR.sup.5 R.sup.6 whereinZ' is oxygen or sulfur,R.sup.4 is hydrogen or an agronomically acceptable salt thereof, alkoxyalkyl, alkyl, cycloalkyl, cycloalkylalkyl, haloalkyl, phenyl or benzyl or a cationR.sup.5 and R.sup.6 are independently hydrogen or alkali or when R.sup.5 is hydrogen, R.sup.6 is hydroxy or an alkyl metal salt thereof. These compounds are active as plant growth regulators, and particularly as chemical hybridization agents.
    • 其中R 1是芳基或取代的芳基,R 2是烷基或芳基,R 3是氢,烷基,芳烷基或卤素,或者R 2和R 3一起是 - (CH 2)n - ,其中n是3 8 Z是氧或硫,Y是Z'R 4或NR 5 R 6基团,其中Z'是氧或硫,R4是氢或其农学上可接受的盐,烷氧基烷基,烷基,环烷基,环烷基烷基,卤代烷基,苯基或苄基或 阳离子R5和R6独立地是氢或碱,或者当R5是氢时,R6是羟基或其烷基金属盐。 这些化合物作为植物生长调节剂是有活性的,特别是作为化学杂交剂。