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    • 10. 发明授权
    • 2-amino-4-trichloropyridine derivatives
    • 2-氨基-4-三氯吡啶衍生物
    • US5216171A
    • 1993-06-01
    • US681254
    • 1991-04-08
    • Helmut HagenHans ZieglerJuergen PfisterGerhard NilzGisela LorenzJuergen Dressel
    • Helmut HagenHans ZieglerJuergen PfisterGerhard NilzGisela LorenzJuergen Dressel
    • C05G3/08C07D213/74C07D213/75C07D213/76C07D401/04C07F9/58
    • C07D213/74C07D213/75C07D213/76C07D401/04C07F9/588Y02P60/218Y10S106/90
    • 2-Amino-4-trichloromethylpyridines of the general formula I ##STR1## where R.sup.1 is hydrogen or C.sub.1 -C.sub.8 -alkyl,R.sup.2 is C.sub.1 -C.sub.8 -alkyl, C.sub.5 -C.sub.8 -cycloalkyl, C.sub.2 -C.sub.4 -alkenyl or phenyl, benzyl or phenylsulfonyl,--CX--R.sup.3, --SO.sub.2 R.sup.3 or --PX(OR.sup.4).sub.2 orR.sup.1 and R.sup.2 together form .dbd.CR.sup.5 R.sup.6 or --CO--Z--CO--,X is oxygen or sulfur,R.sup.3 is C.sub.1 -C.sub.20 -alkyl, C.sub.2 -C.sub.6 -alkenyl, amino, C.sub.1 -C.sub.6 -alkylamino, di-C.sub.1 -C.sub.6 -alkylamino, morpholino, piperidino, pyrazolidino or C.sub.1 -C.sub.8 -alkylcarbonylamino, substituted or unsubstituted phenylamino or benzylamino,R.sup.4 is C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -haloalkyl or substituted or unsubstituted phenyl,R.sup.5 is hydrogen, C.sub.1 -C.sub.4 -alkyl, or substituted or unsubstituted phenyl,R.sup.6 is substituted or unsubstituted phenyl,Z is substituted or unsubstituted ethylene which may be part of a substituted or unsubstituted cycloalkyl or cycloalkylene radical, substituted or unsubstituted ethenylene which may be part of a substituted or unsubstituted aromatic or heteroaromatic ring, and Z is not part of an unsubstituted phenyl radical, agriculturally useful salts thereof, processes for their preparation and the use thereof as nitrification inhibitors.
    • 通式I的2-氨基-4-三氯甲基吡啶其中R1是氢或C1-C8-烷基,R2是C1-C8-烷基,C5-C8-环烷基,C2-C4-烯基或苯基,苄基 或苯基磺酰基,-CX-R3,-SO2R3或-PX(OR4)2或R1和R2一起形成= CR5R6或-CO-Z-CO-,X是氧或硫,R3是C1-C20-烷基,C2- C 1 -C 6 - 烯基,氨基,C 1 -C 6 - 烷基氨基,二-C 1 -C 6烷基氨基,吗啉代,哌啶子基,吡唑烷基或C 1 -C 8烷基羰基氨基,取代或未取代的苯基氨基或苄基氨基,R 4是C 1 -C 8烷基, 卤代烷基或取代或未取代的苯基,R 5是氢,C 1 -C 4烷基或取代或未取代的苯基,R 6是取代或未取代的苯基,Z是可以是取代或未取代的环烷基或环亚烷基的一部分的取代或未取代的乙烯 取代或未取代的亚乙烯基,其可以是取代或未取代的芳族或杂芳族环的一部分,Z不是未取代的苯基的一部分,农业 其文化上有用的盐,其制备方法及其作为硝化抑制剂的用途。