Pyrrolidinones as herbicides

A compound selected from Formula 1, N-oxides and salts thereof:

• wherein
• Q1 is a phenyl ring optionally substituted with up to 5 substituents independently selected from R7;
• or a 5- to 6-membered heterocyclic ring or an 8- to 10-membered heteroaromatic bicyclic ring system, each ring or ring system containing ring members selected from carbon atoms and 1 to 4 heteroatoms independently selected from up to 2 O, up to 2 S and up to 4 N atoms, wherein up to 3 carbon ring members are independently selected from C(═O) and C(═S), and the sulfur atom ring members are independently selected from S(═O)u(═NR8)v, each ring or ring system optionally substituted with up to 5 substituents independently selected from R7 on carbon atom ring members and selected from R9 on nitrogen atom ring members;
• Q2 is a phenyl ring or a naphthalenyl ring system, each ring or ring system optionally substituted with up to 5 substituents independently selected from R10;
• or a 5- to 6-membered fully unsaturated heterocyclic ring or an 8- to 10-membered heteroaromatic bicyclic ring system, each ring or ring system containing ring members selected from carbon atoms and 1 to 4 heteroatoms independently selected from up to 2 O, up to 2 S and up to 4 N atoms, wherein up to 3 carbon ring members are independently selected from C(═O) and C(═S), and the sulfur atom ring members are independently selected from S(═O)u(═NR8)v, each ring or ring system optionally substituted with up to 5 substituents independently selected from R10 on carbon atom ring members and selected from R11 on nitrogen atom ring members;
• Y1 and Y2 are each independently O, S or NR12;
• R1 is H, hydroxy, amino, C1-C6 alkyl, C1-C6 haloalkyl, C2-C6 alkenyl, C3-C6 alkynyl, C4-C8 cycloalkylalkyl, C2-C8 alkoxyalkyl, C2-C8 haloalkoxyalkyl, C2-C8 alkylthioalkyl, C2-C8 alkylsulfinylalkyl, C2-C8 alkylsulfonylalkyl, C2-C8 alkylcarbonyl, C2-C8 haloalkylcarbonyl, C4-C10 cycloalkylcarbonyl, C2-C8 alkoxycarbonyl, C2-C8 haloalkoxycarbonyl, C4-C10 cycloalkoxycarbonyl, C2-C8 alkylaminocarbonyl, C3-C10 dialkylaminocarbonyl, C4-C10 cycloalkylaminocarbonyl, C1-C6 alkoxy, C1-C6 alkylthio, C1-C6 haloalkylthio, C3-C8 cycloalkylthio, C1-C6 alkylsulfinyl, C1-C6 haloalkylsulfinyl, C3-C8 cycloalkylsulfinyl, C1-C6 alkylsulfonyl, C1-C6 haloalkylsulfonyl, C3-C8 cycloalkylsulfonyl, C1-C6 alkylaminosulfonyl, C2-C8 dialkylaminosulfonyl, C3-C10 trialkylsilyl or G1;
• R2 and R3 are each independently H, halogen or C1-C4 alkyl;
• or
• R2 and R3 are taken together with the carbon atom to which they are bonded to form a C3-C7 cycloalkyl ring;
• R4 and R5 are each independently H, halogen or C1-C4 alkyl;
• R6 is H, hydroxy, amino, C1-C6 alkyl, C1-C6 haloalkyl, C2-C6 alkenyl, C3-C6 alkynyl, C2-C8 alkoxyalkyl, C2-C8 haloalkoxyalkyl, C2-C8 alkylthioalkyl, C2-C8 alkylsulfinylalkyl, C2-C8 alkylsulfonylalkyl, C2-C8 alkylcarbonyl, C2-C8 haloalkylcarbonyl, C4-C10 cycloalkylcarbonyl, C2-C8 alkoxycarbonyl, C2-C8 haloalkoxycarbonyl, C4-C10 cycloalkoxycarbonyl, C2-C8 alkylaminocarbonyl, C3-C10 dialkylaminocarbonyl, C4-C10 cycloalkylaminocarbonyl, C1-C6 alkoxy, C1-C6 alkylthio, C1-C6 haloalkylthio, C3-C8 cycloalkylthio, C1-C6 alkylsulfinyl, C1-C6 haloalkylsulfinyl, C3-C8 cycloalkylsulfinyl, C1-C6 alkylsulfonyl, C1-C6 haloalkylsulfonyl, C3-C8 cycloalkylsulfonyl, C1-C6 alkylaminosulfonyl, C2-C8 dialkylaminosulfonyl, C3-C10 trialkylsilyl or G1;
• each R7 and R10 is independently halogen, cyano, nitro, C1-C4 alkyl, C1-C4 haloalkyl, C2-C4 alkenyl, C2-C4 haloalkenyl C2-C4 alkynyl, C2-C4 haloalkynyl, C1-C4 nitroalkyl, C2-C4 nitroalkenyl, C2-C4 alkoxyalkyl, C2-C4 haloalkoxyalkyl, C3-C4 cycloalkyl, C3-C4 halocycloalkyl, cyclopropylmethyl, methylcyclopropyl, C1-C4 alkoxy, C1-C4 haloalkoxy, C2-C4 alkenyloxy, C2-C4 haloalkenyloxy, C3-C4 alkynyloxy, C3-C4 haloalkynyloxy, C3-C4 cycloalkoxy, C1-C4 alkylthio, C1-C4 haloalkylthio, C1-C4 alkylsulfinyl, C1-C4 haloalkylsulfinyl, C1-C4 alkylsulfonyl, C1-C4 haloalkylsulfonyl, hydroxy, formyl, C2-C4 alkylcarbonyl, C2-C4 alkylcarbonyloxy, C1-C4 alkylsulfonyloxy, C1-C4 haloalkylsulfonyloxy, formylamino, C2-C4 alkylcarbonylamino, —SF5, —SCN, C3-C4 trialkylsilyl, trimethylsilylmethyl or trimethylsilylmethoxy;
• each R8 is independently H, cyano, C2-C3 alkylcarbonyl or C2-C3 haloalkylcarbonyl;
• each R9 and R11 is independently cyano, C1-C3 alkyl, C2-C3 alkenyl, C2-C3 alkynyl, C3-C6 cycloalkyl, C2-C3 alkoxyalkyl, C1-C3 alkoxy, C2-C3 alkylcarbonyl, C2-C3 alkoxycarbonyl, C2-C3 alkylaminoalkyl or C3-C4 dialkylaminoalkyl;
• each R12 is independently H, cyano, C1-C4 alkyl, C1-C4 haloalkyl, —(C═O)CH3 or —(C═O)CF3;
• each G1 is independently phenyl, phenylmethyl, pyridinylmethyl, phenylcarbonyl, phenoxy, phenylethynyl, phenylsulfonyl or a 5- or 6-membered heteroaromatic ring, each optionally substituted on ring members with up to 5 substituents independently selected from R13;
• each R13 is independently halogen, cyano, hydroxy, amino, nitro, —CHO, —C(═O)OH, —C(═O)NH2, —SO2NH2, C1-C6 alkyl, C1-C6 haloalkyl, C2-C6 alkenyl, C2-C6 alkynyl, C2-C8 alkylcarbonyl, C2-C8 haloalkylcarbonyl, C2-C8 alkoxycarbonyl, C4-C10 cycloalkoxycarbonyl, C5-C12 cycloalkylalkoxycarbonyl, C2-C8 alkylaminocarbonyl, C3-C10 dialkylaminocarbonyl, C1-C6 alkoxy, C1-C6 haloalkoxy, C2-C8 alkylcarbonyloxy, C1-C6 alkylthio, C1-C6 haloalkylthio, C1-C6 alkylsulfinyl, C1-C6 haloalkylsulfinyl, C1-C6 alkylsulfonyl, C1-C6 haloalkylsulfonyl, C1-C6 alkylaminosulfonyl, C2-C8 dialkylaminosulfonyl, C3-C10 trialkylsilyl, C1-C6 alkylamino, C2-C8 dialkylamino, C2-C8 alkylcarbonylamino, C1-C6 alkylsulfonylamino, phenyl, pyridinyl or thienyl;
• and
• each u and v are independently 0, 1 or 2 in each instance of S(═O)u(═NR8)v, provided that the sum of u and v is 0, 1 or 2;
• provided that
• (a) the compound of Formula 1 is other than N-1H-benzotriazol-1-yl-2-oxo-4-phenyl-3-pyrrolidinecarboxamide;
• (b) when Q1 is a 3-furanyl or 3-pyridinyl ring, then said ring is substituted with at least one substituent selected from R7;
• (c) when Q1 is unsubstituted phenyl, and Q2 is a phenyl or pyridyl ring, then said Q2 ring is substituted with R10 other than optionally substituted phenoxy at a 2-position (relative to the bond of the Q2 ring to the remainder of Formula 1), and unsubstituted at the 5- and 6-positions (with respect to the 2-position), and R5 is H or halogen;
• (d) when Q1 is a phenyl ring and said ring is substituted with R7 at both ortho positions (relative to the bond to the remainder of Formula 1), then said ring is also independently substituted with R7 on at least one additional position;
• (e) Q2 is other than optionally substituted 1H-pyrazol-5-yl;
• and
• (f) when Q2 is a 1H-pyrazol-3-yl ring, said ring is substituted at the 1-position with R11.