Pyrrolidinones herbicides

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

• wherein
• Q1 is a phenyl ring or a naphthalenyl ring system, each ring or ring system 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 R1 is independently halogen, cyano, nitro, C1-C8 alkyl, C1-C8 haloalkyl, C1-C8 nitroalkyl, C2-C8 alkenyl, C2-C8 haloalkenyl, C2-C8 nitroalkenyl, C2-C8 alkynyl, C2-C8 haloalkynyl, C4-C10 cycloalkylalkyl, C4-C10 halocycloalkylalkyl, C5-C12 alkylcycloalkylalkyl, C5-C12 cycloalkylalkenyl, C5-C12 cycloalkylalkynyl, C3-C8 cycloalkyl, C3-C8 halocycloalkyl, C4-C10 alkylcycloalkyl, C6-C12 cycloalkylcycloalkyl, C3-C8 cycloalkenyl, C3-C8 halocycloalkenyl, C2-C8 alkoxyalkyl, C2-C8 haloalkoxyalkyl, C3-C8 haloalkoxyalkoxy, C3-C8 alkoxyalkoxy, C4-C10 cycloalkoxyalkyl, C3-C10 alkoxyalkoxyalkyl, C2-C8 alkylthioalkyl, C2-C8 alkylsulfinylalkyl, C2-C8 alkylsulfonylalkyl, C2-C8 alkylaminoalkyl, C2-C8 haloalkylaminoalkyl, C4-C10 cycloalkylaminoalkyl, C3-C10 dialkylaminoalkyl, —CHO, C2-C8 alkylcarbonyl, C2-C8 haloalkylcarbonyl, C4-C10 cycloalkylcarbonyl, —C(═O)OH, C2-C8 alkoxycarbonyl, C2-C8 haloalkoxycarbonyl, C4-C10 cycloalkoxycarbonyl, C5-C12 cycloalkylalkoxycarbonyl, —C(═O)NH2, C2-C8 alkylaminocarbonyl, C4-C10 cycloalkylaminocarbonyl, C3-C10 dialkylaminocarbonyl, C1-C8 alkoxy, C1-C8 haloalkoxy, C2-C8 alkoxyalkoxy, C2-C8 alkenyloxy, C2-C8 haloalkenyloxy, C3-C8 alkynyloxy, C3-C8 haloalkynyloxy, C3-C8 cycloalkoxy, C3-C8 halocycloalkoxy, C4-C10 cycloalkylalkoxy, C3-C10 alkylcarbonylalkoxy, C2-C8 alkylcarbonyloxy, C2-C8 haloalkylcarbonyloxy, C4-C10 cycloalkylcarbonyloxy, C1-C8 alkylsulfonyloxy, C1-C8 haloalkylsulfonyloxy, C1-C8 alkylthio, C1-C8 haloalkylthio, C3-C8 cycloalkylthio, C1-C8 alkylsulfinyl, C1-C8 haloalkylsulfinyl, C1-C8 alkylsulfonyl, C1-C8 haloalkylsulfonyl, C3-C8 cycloalkylsulfonyl, formylamino, C2-C8 alkylcarbonylamino, C2-C8 haloalkylcarbonylamino, C2-C8 alkoxycarbonylamino, C1-C6 alkylsulfonylamino, C1-C6 haloalkylsulfonylamino, —SF5, —SCN, SO2NH2, C3-C12 trialkylsilyl, C4-C12 trialkylsilylalkyl, C4-C12 trialkylsilylalkoxy or G2;
• 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 G2 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 R14;
• each R13 and R14 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 comprises a 3-furanyl or 3-pyridinyl ring directly bonded to the remainder of Formula 1, then said ring is substituted with at least one substituent selected from R7;
• (c) when Q1 is an unsubstituted phenyl ring, and Q2 comprises a phenyl ring directly bonded to the remainder of Formula 1, then said Q2 ring is substituted with R1 other than optionally substituted phenoxy or F at a 2-position, cyano or —CF3 at the 4-position and R5 is H or halogen;
• (d) when Q1 is unsubstituted phenyl, and Q2 comprises a pyridinyl ring directly bonded to the remainder of Formula 1, then said pyridinyl ring is substituted with at least one substituent selected from R10;
• (e) when Q1 is a phenyl ring substituted with 4-phenyl or 4-phenoxy, said Q1 ring is further substituted with and R7 substituent;
• (f) when Q1 comprises a phenyl ring directly bonded to the remainder of Formula 1 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;
• (g) when Q1 is other than unsubstituted 1-naphthalenyl, then Q2 is other than 2,3-difluorophenyl or 2-CF3-phenyl;
• (h) Q2 is other than optionally substituted 1H-pyrazol-5-yl;
• and
• (i) when Q2 comprises a 1H-pyrazol-3-yl ring directly bonded to the remainder of Formula 1, said ring is substituted at the 1-position with R9.