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    • 5. 发明授权
    • Plant male sterilant
    • 植物雄性灭菌剂
    • US4915727A
    • 1990-04-10
    • US137703
    • 1987-12-24
    • Masato MizutaniMasao ShiroshitaNobuaki MitoHiroki OkudaMasaharu Sakaki
    • Masato MizutaniMasao ShiroshitaNobuaki MitoHiroki OkudaMasaharu Sakaki
    • A01H1/02A01N33/26A01N37/44A01N37/50A01N43/58A01N43/90A01N47/02C07D237/28
    • C07C251/72A01H1/02A01N37/50A01N43/58A01N47/02
    • A plant male sterilant, which comprises as an active ingredient a compound having the formula (I): ##STR1## in which X is --OH, --O.sup.- M.sup.+, --OR.sup.1 or ##STR2## wherein M.sup.+ is an alkali metal cation, an alkaline earth metal cation or ##STR3## in which R.sup.4, R.sup.5 and R.sup.6 are the same or different and each is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.4 alkenyl group, C.sub.3 -C.sub.4 alkynyl, C.sub.3 -C.sub.8 cycloslkyl, benzyl or phenyl group;R.sup.1 is a C.sub.1 -C.sub.9 alkyl, a C.sub.3 -C.sub.6 alkenyl, a C.sub.3 -C.sub.4 alkynyl, C.sub.1 -C.sub.3 alkoxy (C.sub.1 -C.sub.4)-alkyl, C.sub.3 -C.sub.8 cycloalkyl, benzyl or phenyl; andR.sup.2 and R.sup.3 are the same or different and each is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.4 alkenyl, C.sub.3 -C.sub.4 alkynyl, C.sub.3 -C.sub.8 cycloalkyl, a benzyl group in which at most two hydrogen atoms at the .alpha.-position thereof may be substituted by methyl, C.sub.2 -C.sub.3 hydroxyalkyl or a phenyl in whihc at most three hydrogen atoms thereof may be substituted by the same or different C.sub.1 -C.sub.2 alkyl;Y is fluorine, chlorine, trifluoromethyl or C.sub.1 -C.sub.6 alkoxy;A is CF.sub.3, CHF.sub.2, CF.sub.2 Cl, CF.sub.2 Br, CF.sub.2 CHF.sub.2, CH.sub.2 CF.sub.3, CF.sub.2 CHCl.sub.2, CFClCHFCl, CF.sub.2 CHFCl or CF.sub.2 CHFCF.sub.3 ;A' is hydrogen or halogen; andW and Z are C-F and N-H respectively with non-bonding or are taken together to form C-N, provided that X is OR.sup.1 in case that W and Z are C-F and N-H respectively.The combination of the present invention can easily and efficiently induce male sterility in a plant without losing a pollination ability of the plant.
    • 一种植物雄性灭菌剂,其包含作为活性成分的具有式(I)的化合物:其中M +是碱金属阳离子,碱土金属阳离子或其中R 4的CHEM, R 5和R 6相同或不同,各自为氢原子,C1-C6烷基,C3-C4烯基,C3-C4炔基,C3-C8环烷基,苄基 或苯基; R 1是C 1 -C 9烷基,C 3 -C 6烯基,C 3 -C 4炔基,C 1 -C 3烷氧基(C 1 -C 4) - 烷基,C 1 -C 3单 - 或多卤代烷基, C3-C8环烷基,苄基或苯基; R 2和R 3相同或不同,各自为氢原子,C1-C6烷基,C3-C4烯基,C3-C4炔基,C3-C8环烷基, 其中α位上的至多两个氢原子可以被甲基取代的苄基,C2-C3羟基烷基或其中至多三个氢原子可以相同或不同的苯基 C1-C2烷基或卤素原子; Y是氟原子,氯原子,三卤甲基或C1-C6烷氧基; A是C1-C3多卤代烷基; A'是氢原子或卤原子; W和Z分别为非键合的C-F和N-H,或者一起形成C-N,条件是在W和Z分别为C-F和N-H的情况下X为OR 1。 本发明的植物雄性消毒剂可以容易且有效地诱导植物中的雄性不育,而不丧失植物的授粉能力。