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    • 78. 发明授权
    • S,s-dialkyl-o-aliphaticoxyalkyl phosphites
    • S,S-DIALKYL-O-ALIPHATICOXYALKYL PHOSPHITES
    • US3760042A
    • 1973-09-18
    • US3760042D
    • 1971-01-08
    • CIBA GEIGY AG
    • BERIGER EMARTIN H
    • C07F9/16C07F9/165C07F9/173C07F9/201A01N9/36
    • C07F9/1651C07F9/16C07F9/1653C07F9/173C07F9/201C07F9/2015
    • Phosphoric acid esters of the formula

      D R A W I N G
      WHEREIN X denotes oxygen or sulphur, the integer n is the number 0 or 1, R'' and R'''' independently of each other represent an alkyl radical with 3 to 5 carbon atoms and wherein a. if X is oxygen, R represents an alkoxyalkyl, alkylmercaptoalkyl or alkenyloxyalkyl radical with at most 7 carbon atoms, an alkenyl radical with 3 to 6 carbon atoms or an unsubstituted benzyl group or a benzyl group which is substituted by halogen, methyl and/or methoxy, or wherein b. if X is sulphur, R represents an alkenyl radical with 3 to 6 carbon atoms or an unsubstituted benzyl group or a benzyl group substituted by halogen, methyl and/or methoxy; these compounds are useful for defoliating and promoting the ripening of crop plants especially cotton.
    • 式WHEREIN X表示氧或硫的磷酸酯,整数n是数字0或1,R'和R“彼此独立地表示具有3至5个碳原子的烷基,其中a。 如果X是氧,R代表具有至多7个碳原子的烷氧基烷基,烷基巯基烷基或烯氧基烷基,具有3-6个碳原子的烯基或被卤素,甲基和/或甲氧基取代的未取代的苄基或苄基 ,或其中b。 如果X是硫,R代表具有3至6个碳原子的烯基或未被取代的苄基或被卤素,甲基和/或甲氧基取代的苄基; 这些化合物可用于脱叶和促进作物特别是棉花的成熟。