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    • 4. 发明申请
    • USE OF NOT EASILY VOLATILISED PYRAZOL DERIVATIVES WITH HYDROPHILIC GROUPS AS NITRIFICATION INHIBITORS
    • HEAVY VOLATILE吡唑与亲水性基团USE作为硝化抑制剂
    • WO1996024566A1
    • 1996-08-15
    • PCT/EP1996000319
    • 1996-01-26
    • BASF AKTIENGESELLSCHAFTRITTINGER, StefanRIEBER, NorbertGOLD, Randall, EvanDRESSEL, Jürgen
    • BASF AKTIENGESELLSCHAFT
    • C05G03/08
    • C07D231/12C05G3/08C07D231/16Y02P60/218
    • Pyrazol derivatives having general formula (I) are disclosed, as well as their use as nitrification inhibitors. In said formula (I): residues R , R , R and R may be substituted once or twice by halogen and/or hydroxyl; the residues R , R and R stand for halogen, nitro, hydrogen, C1-C20-alkyl, C3-C8-cycloalkyl, C5-C20-aryl or alkyl aryl; and R may stand for (a) a residue R of the formula (II), in which R and R stand for hydrogen, C1-C20-alkyl optionally substituted once or twice by halogen and/or hydroxyl, a carboxyl group, a carboxymethyl group or a functional derivative of both latter groups, and R stands for a carboxyl residue or a carboxy-(C1-C3-alkyl) residue or for a functional derivative of said groups, or R may stand for (b) a residue R having the formula (III), in which R and R stand for hydrogen, C1-C20-alkyl, C2-C8-cycloalkyl, C5-C20-aryl or alkyl aryl, these residues being optionally substituted once or twice by halogen, and R stands for hydrogen or a poly-(C2-C4-alkylene oxide) residue whose terminal hydroxyl group may be etherified with an aliphatic C1-C10 alcohol or esterified with a C1-C10 carboxylic acid.
    • 通式(I)的硝化抑制剂,的吡唑衍生物的用途其中基团R <1>,R <2>,R <3>和R <4>具有以下含义:R t <1>,R <2>和 [R <3>是卤素,硝基,氢,C1〜C20烷基,C3至C8环烷基,C5-C20芳基或烷基芳基,其中这些基团4至单取代或被卤素和/或羟基取代, [R <4>是或者a)基团R <4A>具有式(II)其中R <5>和R <6>是氢,C 1 - 至C 20 - 烷基,其是单取代或被卤素和/或羟基取代的 可以被取代,羧基,羧甲基或两个最后提到的基团的功能性衍生物,和R 7是羧基基团或羧基 - (C1-C3烷基)基团赋r是这些基团的功能性衍生物,或b)的基团 [R <4B>式(III)其中R <8>和R <9>是氢C1-C20烷基,C3至C8环烷基,C5-C20芳基或烷基芳基,其中这些基团 两次 可以被卤素取代,且R <10>为氢或聚(C 2至C 4亚烷基氧)基团,醚化的,其末端羟基用脂族C1〜C10的醇或酯化为C1至C10羧酸是 可以。