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-C6 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, A3 and A4 are each independently C—X, C—Y or nitrogen, wherein each X or Y may be the same or different, and provided that no more than two of A1, A2, A3 and A4 are nitrogen and that at least one of A1, A2, A3 and A4 is C—X; Y is hydrogen, halogen, cyano, hydroxyl, —OC(O)R9, C1-C6 alkoxy, C1-C6 alkyl, C1-C6 haloalkyl, C1-C3 hydroxyalkyl, nitro, amine, N—C1-C6 alkyl amine, N,N-di-C1-C6 alkyl amine, or NHC(O)R9; X is 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 R12, C1-C8alkylcarbonyl, C1-C8 alkoxycarbonyl, N—C1-C6 alkyl aminocarbonyl, N,N-di-C1-C6 alkyl aminocarbonyl, aryl optionally substituted by one to five R13, or heteroaryl optionally substituted by one to five R13; each R11 is independently halogen, cyano, nitro, hydroxy, C1-C8 haloalkyl, C1-C8alkoxy, C1-C8 haloalkoxy, 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, C1-C8 haloalkylsulfonyl, C1-C8alkylcarbonyl, C1-C8 alkoxycarbonyl; or aryl optionally substituted by one to five halogen, C1-C3 alkyl, C1-C3 alkoxy; or heteroaryl optionally substituted by one to five halogen, C1-C3 alkyl, C1-C3 alkoxy; each R12 and R13 are independently halogen, cyano, nitro, hydroxy, C1-C8 alkyl, C1-C8alkoxy, C1-C8 haloalkoxy, 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, C1-C8haloalkylsulfonyl, C1-C8alkylcarbonyl, C1-C8 alkoxycarbonyl, or phenyl; or salts or N-oxides thereof.