Abstract: Compounds of Formula (1) and processes for their preparation, their N-oxides and agriculturally suitable salts, are disclosed which are useful for controlling undesired vegetation wherein Q, X1, X2, X3, R1, R2, R6 and R7 are as defined in the disclosure. Also disclosed are novel intermediates of Formula (5), Formula (8) and Formula (20) wherein R27 is —(CR6R7)q—Q; R6, R7, q, Q, X1 and X2 are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula (1) and a method for controlling undesired vegetation which involves contacting the vegetation or its environment with an effective amount of a compound of Formula (1).

Abstract: Compounds of Formula (1) and processes for their preparation, their N-oxides and agriculturally suitable salts, are disclosed which are useful for controlling undesired vegetation wherein Q, X1, X2, X3, R1, R2, R6 and R7 are as defined in the disclosure. Also disclosed are novel intermediates of Formula (5), Formula (8) and Formula (20) wherein R27 is —(CR6R7)qQ; R6, R7, q, Q, X1 and X2 are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula (1) and a method for controlling undesired vegetation which involves contacting the vegetation or its environment with an effective amount of a compound of Formula (1).

Abstract: Compounds of Formula I and Formula II, and their N-oxides and agriculturally suitable salts, are disclosed that are useful for controlling invertebrate pests, Formula (I), Formula (II) wherein A, B, J, R1, R2, R3, R4, and n are as defined in the disclosure. Also disclosed are compositions comprising the compounds of Formula I or Formula II and methods for controlling invertebrate pests that involve contacting the invertebrate pests or their environment with an effective amount of a compound of Formula (I) or Formula (II).

Abstract: This invention provides advantageous processes for preparing quinazolinones of Formula I ##STR1## wherein: R.sup.1 is C.sub.1 -C.sub.10 alkyl; C.sub.3 -C.sub.10 alkenyl; C.sub.3 -C.sub.10 cycloalkyl; C.sub.3 -C.sub.10 halocycloalkyl; C.sub.4 -C.sub.10 cycloalkylalkyl; C.sub.4 -C.sub.10 halocycloalkylalkyl; or C.sub.3 -C.sub.10 alkynyl;R.sup.2 is C.sub.1 -C.sub.10 alkyl; C.sub.3 -C.sub.10 alkenyl; C.sub.3 -C.sub.10 cycloalkyl; C.sub.3 -C.sub.10 halocycloalkyl; C.sub.4 -C.sub.10 cycloalkylalkyl; C.sub.4 -C.sub.10 halocycloalkylalkyl; C.sub.4 -C.sub.10 cycloalkyl; C.sub.4 -C.sub.10 halocycloalkyl; or C.sub.3 -C.sub.10 alkynyl; andR.sup.3 and R.sup.4 are each independently hydrogen or halogen; from compounds containing the moiety IIg ##STR2## This invention further provides certain compounds of Formula II, IIIa, or IVa ##STR3## where R.sup.7 is C.sub.2 -C.sub.6 alkyl.

Abstract: Cyclic amides of Formula I which are useful as fungicides: ##STR1## wherein A is N; G is N and the floating double bond is attached to A; W is O or S; X is OR.sup.1, S(O).sub.m R.sup.1 or halogen; R.sup.1, R.sup.2, R.sup.3, R.sup.4, Y and Z are defined in the disclosure, are disclosed. Also, disclosed are fungicidal compositions containing these compounds and the use of these cyclic amide compounds for controlling plant diseases caused by fungal plant pathogens.

Abstract: Cyclic amides of Formula (I) which are useful as fungicides wherein: A is O; S; N; NR.sup.5 ;or CR.sup.14--, G is C or N; W is O or S; X is OR.sup.1, S(O).sub.m R.sup.1 or halogen; R.sup.1, R.sup.2, and R.sup.5 are independently, in part, C.sub.1 -C.sub.6 alkyl; Y is, in part, --O--; --S(O).sub.n --,--CHR.sup.6 O--; or --CHR.sup.6 O--N.dbd.C(R.sup.7)--; Z is, in part, optionally substituted cycloalkyl, phenyl, pyridinyl, pyrimidinyl, or naphthyl; and R.sup.3, R.sup.4, R.sup.6, R.sup.7, R.sup.14, m, and n are defined in the disclosure, are disclosed.

Abstract: Dihydroisoxazoles, dihydroisothiazoles, dihydropyrazoles, dihydrothiazoles and dihydroimidazoles of Formula I ##STR1## wherein: A is O; S; N; NR.sup.5 ; or CR.sup.14 ;G is C or N; provided that when G is C, A is O, S or NR.sup.5 and the floating double bond is attached to G; and when G is N, A is N or CR.sup.14 and the floating double bond is attached to A;W is O or S;X is OR.sup.1, S(O).sub.m R.sup.1 or halogen; andY, Z, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.14, and n are defined in the disclosure, are disclosed.Also disclosed are fungicidal compositions containing these compounds, and use of these cyclic amide compounds for controlling plant diseases caused by fungal plant pathogens.

Abstract: Processes are described for preparing 2,4-oxazolidinediones having Formula (I) ##STR1## wherein: R.sup.1 is phenyl optionally substituted with 1-2 halogens; or 4-phenoxy, 4-(1-phenethyloxy) or 4-benzyloxy each optionally substituted with R.sup.2 on the phenyl ring; and R.sup.2 is halogen; methyl; or ethyl. 2-Hydroxycarboxylic acid esters are reacted with a carbonylating agent in the presence of a base to give intermediate triazole or imidazole carboxylates. The carboxylates react with phenyl hydrazine in the presence of an acid to give the compounds of Formula (I).