申请人:Hoffmann-La Roche Inc.
公开号:US04699652A1
公开(公告)日:1987-10-13
The invention is directed to fungicidal pyridine derivatives and their N-amino salts and acid addition salts, said pyridine derivatives having the formula ##STR1## wherein R is mono-, di- or trisubstituted phenyl, wherein the substituents are the same or different and are selected from the group consisting of 1 to 3 halogen, 1 or 2 C.sub.1-3 -alkyl, 1 or 2 C.sub.1-3 -alkoxy and 1 or 2 trifluoromethyl moieties; R.sup.1 is hydrogen, C.sub.1-6 -alkyl, C.sub.2-6 -alkenyl or C.sub.2-6 -alkynyl; R.sup.2 is hydrogen; R.sup.3 is selected from the group consisting of --CO--R.sup.4, --C(OR.sup.5).dbd.CHR.sup.6, --CH(R.sup.4)OR.sup.5, --C(R.sup.4).dbd.NOR.sup.7 and ##STR2## R.sup.4 is hydrogen or C.sub.1-5 -alkyl; R.sup.5 is C.sub.1-4 -alkyl; R.sup.6 and R.sup.7 are hydrogen or C.sub.1-4 -alkyl; n is 2 or 3; or R.sup.2 taken together with R.sup.4 is equal to the group --CH.dbd.CH-- (vinylene); as well as to fungicidal compositions containing these compounds as the active substance, and to the use of the fungicidal pyridine derivatives, their N-amino salts and their acid addition salts in a method of combatting the growth of fungi in agriculture and in horticulture.
本发明涉及抗真菌性吡啶衍生物及其N-氨基盐和酸加成盐,所述吡啶衍生物具有以下式子:##STR1## 其中R为单取代、双取代或三取代苯基,所述取代基相同或不同,选自由1至3个卤素、1或2个C.sub.1-3烷基、1或2个C.sub.1-3烷氧基和1或2个三氟甲基基团的群;R.sup.1为氢、C.sub.1-6烷基、C.sub.2-6烯基或C.sub.2-6炔基;R.sup.2为氢;R.sup.3选自以下群:--CO--R.sup.4、--C(OR.sup.5).dbd.CHR.sup.6、--CH(R.sup.4)OR.sup.5、--C(R.sup.4).dbd.NOR.sup.7和##STR2## R.sup.4为氢或C.sub.1-5烷基;R.sup.5为C.sub.1-4烷基;R.sup.6和R.sup.7为氢或C.sub.1-4烷基;n为2或3;或R.sup.2与R.sup.4共同等于--CH.dbd.CH--(乙烯基);以及含有这些化合物作为活性物质的抗真菌组合物,以及在农业和园艺中使用这些抗真菌性吡啶衍生物、它们的N-氨基盐和它们的酸加成盐的方法来对抗真菌的生长。