A - Human Necessities – 01 – N
Patent
A - Human Necessities
01
N
A01N 51/00 (2006.01) A01C 1/06 (2006.01) A01N 43/08 (2006.01) A01N 43/40 (2006.01) A01N 43/78 (2006.01) A01N 47/44 (2006.01)
Patent
CA 2382615
Disclosed is a method of improving the growth of plants wherein at least one compound of formula (I), wherein A is 2-chloropyrid-5-yl, 2-methylpyrid-5-yl, 1-oxido-3-pyridinio, 2-chloro-1-oxido-5-pyridinio, 2,3-dichloro-1-oxido-5- pyridinio, tetrahydrofuran-3-yl, 5-methyl-tetrahydrofuran-3-yl or 2- chlorothiazol-5-yl group, Y is -N(R)(R2) or SR2; R is hydrogen, C1-C6alkyl, phenyl-C1-C4alkyl, C3-C6cycloalkyl, C2-C6alkenyl or C2-C6alkynyl; R1 and R2 are independently of each other C1-C4-alkyl, C1-C4-alkenyl, C1-C4-alkinyl, - C(=O)-CH3 or benzyl; or together form a group -CH2-CH2-, -CH2-CH2-CH2-, -CH2-O- CH2-, -CH2-S-CH2-, -CH2-NH-CH2- or -CH2-N(CH3)-CH2-; and X is N-NO2, N-CN or CH-NO2; or, where appropriate, a tautomer thereof, in each case in free form or in salt form, is applied to the plant or the locus thereof.
L'invention se rapporte à un procédé d'amélioration de la croissance d'une plante consistant à appliquer sur ladite plante ou sur son site d'implantation au moins un composé représenté par la formule (I), dans laquelle A est un groupe 2-chloropyrid-5-yle, 2-méthylpyrid-5-yle, 1-oxido-3-pyridinio, 2-chloro-1-oxido-5-pyridinio, 2,3-dichloro-1-oxido-5-pyridinio, tétrahydrofuran-3-yle, 5-méthyl-tétrahydrofuran-3-yle ou 2-chlorothiazol-5-yle, Y est -N(R)(R¿2?) ou SR¿2?, R est hydrogène, alkyle C¿1?-C¿6?, phényle- alkyle C¿1?-C¿4?, cycloalkyle C¿3?-C¿6?, alkényle C¿2?-C¿6? ou alkynyle C¿2?-C¿6?; R¿1? et R¿2? sont indépendamment l'un de l'autre alkyle C¿1?-C¿4?, alkényle C¿1?-C¿4?, alkinyle C¿1?-C¿4?, -C(=O)-CH¿3? ou benzyle; ou forment ensemble un groupe -CH¿2?-CH¿2?-, -CH¿2?-CH¿2?-CH¿2?-, -CH¿2?-O-CH¿2?-, -CH¿2?-S-CH¿2?-, -CH¿2?-NH-CH¿2?- ou -CH¿2?-N(CH¿3?)-CH¿2?-; et X est N-NO¿2?, N-CN ou CH-NO¿2?. Ledit procédé peut consister si nécessaire à appliquer un tautomère dudit composé, dans tous les cas sous forme libre ou sous forme de sel.
Hofer Dieter
Senn Robert
Thieme Thomas
Zang Larry
Fetherstonhaugh & Co.
Syngenta Participations Ag
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