Plant growth regulating compounds

A compound of Formula (I)

• wherein
• W is O or S;
• Z is NR1, C(R3R5)NR1, C(R11R12)C(R3R5)NR1, (R13R14)C(R11R12)C(R3R5)NR1, provided that NR1 is always in alpha of the C═W group;
• 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-C6 haloalkyl, C1-C6 haloalkoxy, C1-C8 alkylcarbonyl, C1-C8 alkoxycarbonyl, C1-C8 alkylsulfonyl, C1-C6alkylsulfinyl, 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;
• R2, R3, R4, R5, R11, R12, R13 and R14 are independently selected from the group consisting of:
• (i) A bond, hydrogen, halogen, hydroxyl, nitro, cyano, formyl, formyloxo, formylamino, acetyloxo, C1-C6 alkoxy, C1-C6 haloalkoxy, C1-C6 alkyl optionally substituted by one to five R10, C1-C6 alkylcarbonyl, C1-C6 alkoxycarbonyl, hydroxycarbonyl, aminocarbonyl, N—C1-C6 alkyl amine, N,N-di-C1-C6 alkyl amine, C1-C6 alkylthio, C1-C6 haloalkylthio, C1-C6 alkylsulfinyl, C1-C6 haloalkylsulfinyl, C1-C6 alkylsulfonyl, C1-C6 haloalkylsulfonyl, aryl optionally substituted by one to five R10, heteroaryl optionally substituted by one to five R10, vinyl optionally substituted by one to three R9, ethynyl optionally substituted by one R9, a saturated or partially unsaturated 3 to 7 membered cycloalkyl or heterocyclyl, optionally substituted by R10;
• (ii) Any two of R2, R3, R4, R5, R11, R12, R13 and R14 form a saturated or partially unsaturated 3 to 7 membered cycloalkyl or heterocyclyl, optionally substituted by R9;
• and
• (iii) R2 and R4, R3 and R5, R11 and R12 and/or R13 and R14 form an oxo group;
• R6 and R7 are independently hydrogen, C1-C3 alkyl, hydroxyl, halogen or C1-C3 alkoxy;
• R8 is hydrogen, C1-C6 alkyl optionally substituted by one to five R10, halogen, C1-C6 alkylthio, C1-C6 haloalkylthio, C1-C6 alkylsulfinyl, N—C1-C6 alkyl amine, N,N-di-C1-C6 alkyl amine, C1-C6 haloalkylsulfinyl, C1-C6 alkylsulfonyl, or C1-C6 haloalkylsulfonyl;
• R9 is halogen, cyano, nitro, C1-C6 alkyl, C1-C6 haloalkoxy, C1-C6 alkoxy, acetyloxo, amine, N—C1-C6 alkyl amine, N,N-di-C1-C6 alkyl amine, C1-C6 alkyl optionally substituted by one to five R10, C1-C6 alkylcarbonyl, C1-C6 alkoxycarbonyl, aryl optionally substituted by one to five R10, C2-C6 alkenyl, or C2-C6 alkynyl, C1-C6 alkylthio, C1-C6 haloalkylthio, C1-C6 alkylsulfinyl, C1-C6 haloalkylsulfinyl, C1-C6 alkylsulfonyl, or C1-C6 haloalkylsulfonyl;
• R10 is hydroxyl, acetyloxo, cyano, nitro, halogen, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 haloalkoxy, C1-C6 haloalkyl, C2-C6 alkenyl, or C2-C6 alkynyl, C1-C6 alkylthio, C1-C6 haloalkylthio, C1-C6 alkylsulfinyl, N—C1-C6 alkyl amine, N,N-di-C1-C6 alkyl amine, C1-C8 haloalkylsulfinyl, C1-C8 alkylsulfonyl, or C1-C8 haloalkylsulfonyl;
• or salts or N-oxides thereof.