申请人:BASF Aktiengesellschaft
公开号:US05216171A1
公开(公告)日:1993-06-01
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 or R.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.
通用公式I的2-氨基-4-三氯甲基吡啶,其中R.sup.1是氢或C.sub.1-C.sub.8-烷基,R.sup.2是C.sub.1-C.sub.8-烷基,C.sub.5-C.sub.8-环烷基,C.sub.2-C.sub.4-烯基或苯基,苄基或苯基磺酰基,-CX--R.sup.3,-SO.sub.2R.sup.3或-PX(OR.sup.4).sub.2或R.sup.1和R.sup.2一起形成.dbd.CR.sup.5R.sup.6或--CO--Z--CO--,X是氧或硫,R.sup.3是C.sub.1-C.sub.20-烷基,C.sub.2-C.sub.6-烯基,氨基,C.sub.1-C.sub.6-烷基氨基,二-C.sub.1-C.sub.6-烷基氨基,吗啉基,哌啶基,吡唑啉基或C.sub.1-C.sub.8-烷基羰基氨基,取代或未取代的苯胺基或苄胺基,R.sup.4是C.sub.1-C.sub.8-烷基,C.sub.1-C.sub.8-卤代烷基或取代或未取代的苯基,R.sup.5是氢,C.sub.1-C.sub.4-烷基,或取代或未取代的苯基,R.sup.6是取代或未取代的苯基,Z是取代或未取代的乙烯,可能是取代或未取代的环烷基或环烷基烯基的一部分,取代或未取代的乙烯基,可能是取代或未取代的芳香或杂环芳香环的一部分,Z不是未取代苯基的一部分,其农业上有用的盐,其制备方法及其作为硝化抑制剂的用途。