STRIGOLACTAM DERIVATIVES AS PLANT GROWTH REGULATING COMPOUNDS

摘要

The present invention relates to novel strigolactam derivatives of formula (I), to processes and intermediates for preparing them, to plant growth regulator compositions comprising them and to methods of using them for controlling the growth of plants and/or promoting the germination of seeds.;

主权项

1. A compound of Formula (I) wherein W is O or S; R2 and R3 are independently hydrogen, or C1-C3 alkyl; R4 and R5 are independently hydrogen, halogen, nitro, cyano, C1-C3 alkyl, C1-C3 haloalkyl, C1-C3 alkoxy, hydroxyl, —OC(O)R9, amine, N—C1-C3 alkyl amine, or N,N-di-C1-C3 alkyl amine; R9 is hydrogen, C1-C6 alkyl, C1-C6 alkoxy, or C1-C6 haloalkyl; R6 and R7 are independently hydrogen, C1-C3 alkyl, hydroxyl, halogen or C1-C3 alkoxy; R8 is hydrogen, nitro, cyano, C1-C6 alkyl, C1-C6 haloalkyl, halogen, C1-C8 alkylthio, C1-C8 haloalkylthio, C1-C8 alkylsulfinyl, N—C1-C6 alkyl amine, N,N-di-C1-C6 alkyl amine, C1-C8 haloalkylsulfinyl, C1-C8 alkylsulfonyl, or C1-C8 haloalkylsulfonyl; R1 is hydrogen, C1-C6 alkoxy, hydroxyl, amine, N—C1-C6 alkyl amine, N,N-di-C1-C8 alkyl amine, C1-C6 alkyl optionally substituted by one to five R10, C1-C8 alkylcarbonyl, C1-C8 alkoxycarbonyl, aryl, optionally substituted by one to five R10, heteroaryl, optionally substituted by one to five R10, heterocyclyl, optionally substituted by one to five R10, or benzyl optionally substituted by one to five R10; R10 is hydrogen, cyano, nitro, halogen, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 haloalkyl, C2-C6 alkenyl, or C2-C6 alkynyl; A1, A2, and A3 are each independently C-Xn, C-(Xn)C-(Xn), a heteroatom selected from O, S and N, wherein each X may be the same or different, or a bond; A4 is C-Xn, or a heteroatom selected from O, S and N, wherein each X may be the same or different; A5, and A6 are each independently C—X, nitrogen, or C linked by a double bond, wherein each X may be the same or different; A1 and A2, A2 and A3, A3 and A4, A4 and A5, A5 and A6, A6 and A1 are linked independently of each other by a single or double bond provided that A1 to A6 is not an aromatic ring; n is 1 or 2; X is hydrogen, halogen, cyano, amine, nitro, hydroxyl, —OC(O)R9, C1-C6 alkoxy, C1-C6 alkyl, C1-C6 haloalkyl, C1-C6 hydroxyalkyl; C2-C8 alkenyl optionally substituted by one to five R11, C2-C8 alkynyl optionally substituted by one to five R11, C3-C7 cycloalkyl, C3-C10 cycloalkyl substituted by one to five R11, C1-C8alkylcarbonyl, C1-C8 alkoxycarbonyl, N—C1-C6 alkyl aminocarbonyl, N,N-di-C1-C6 alkyl aminocarbonyl, aryl optionally substituted by one to five R11, or heterocyclic optionally substituted by one to five R11; and R11 is halogen, nitro, cyano, hydroxyl, —OC(O)R9, C1-C6 alkoxy, C1-C6 alkyl, C1-C6 haloalkyl; or salts or N-oxides thereof.