Provided is a compound having a D-amino acid oxidase (DAAO) inhibitory action, and useful as, for example, a prophylaxis and/or therapeutic agent for schizophrenia or neuropathic pain. The present inventors have studied a compound that inhibits DAAO, and confirm that a dihydroxy aromatic heterocyclic compound has a DAAO inhibitory action, and completed the present invention. That is, the dihydroxy aromatic heterocyclic compound of the present invention has a good DAAO inhibitory action, and can be used as a prophylaxis and/or therapeutic agent for, for example, schizophrenia or neuropathic pain.

Provided is a compound having a D-amino acid oxidase (DAAO) inhibitory action, and useful as, for example, a prophylaxis and/or therapeutic agent for schizophrenia or neuropathic pain. The present inventors have studied a compound that inhibits DAAO, and confirm that a dihydroxy aromatic heterocyclic compound has a DAAO inhibitory action, and completed the present invention. That is, the dihydroxy aromatic heterocyclic compound of the present invention has a good DAAO inhibitory action, and can be used as a prophylaxis and/or therapeutic agent for, for example, schizophrenia or neuropathic pain.

Disclosed are compounds of Formula 1, including all stereoisomers, N-oxides, and salts thereof,

##STR00001##

wherein X is O, S or NR.sup.5; or X is C(R.sup.6)C(R.sup.7), wherein the carbon atom bonded to R.sup.6 is also bonded to the carbon atom bonded to R.sup.4, and the carbon atom bonded to R.sup.7 is also bonded to the phenyl ring moiety in Formula 1; and R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, G and W are as defined in the disclosure.

Also disclosed are compositions containing the compounds of Formula 1 and methods for controlling undesired vegetation comprising contacting the undesired vegetation or its environment with an effective amount of a compound or a composition of the invention.

Disclosed are compounds of Formula 1, including all stereoisomers, N-oxides, and salts thereof,

##STR00001##

wherein X is O, S or NR.sup.5; or X is C(R.sup.6)C(R.sup.7), wherein the carbon atom bonded to R.sup.6 is also bonded to the carbon atom bonded to R.sup.4, and the carbon atom bonded to R.sup.7 is also bonded to the phenyl ring moiety in Formula 1; and R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, G and W are as defined in the disclosure.

Also disclosed are compositions containing the compounds of Formula 1 and methods for controlling undesired vegetation comprising contacting the undesired vegetation or its environment with an effective amount of a compound or a composition of the invention.

The present invention relates to herbicidal substituted phenyl-pyridazine-diones and substituted phenyl-pyridazinone derivatives of formula (I), as well as to processes and intermediates used for the preparation of such derivatives. The invention further extends to herbicidal compositions comprising such derivatives, as well as to the use of such compounds and compositions in controlling undesirable plant growth: in particular the use in controlling weeds, such as broad-leaved dicotyledonous weeds, in crops of useful plants.

The present invention relates to herbicidal substituted phenyl-pyridazine-diones and substituted phenyl-pyridazinone derivatives of formula (I), as well as to processes and intermediates used for the preparation of such derivatives. The invention further extends to herbicidal compositions comprising such derivatives, as well as to the use of such compounds and compositions in controlling undesirable plant growth: in particular the use in controlling weeds, such as broad-leaved dicotyledonous weeds, in crops of useful plants.

The present disclosure is directed, in part, to compounds and methods for imaging myocardial perfusion, comprising administering to a patient a contrast agent which comprises a compound that binds MC-1, and an imaging moiety, and scanning the patient using diagnostic imaging.

The present disclosure is directed, in part, to compounds and methods for imaging myocardial perfusion, comprising administering to a patient a contrast agent which comprises a compound that binds MC-1, and an imaging moiety, and scanning the patient using diagnostic imaging.

The present invention provides compounds with imaging moieties for imaging a subject. The present invention also relates to systems, compositions, and methods for the synthesis and use of imaging agents, or precursors thereof. An imaging agent precursor may be converted to an imaging agent using the methods described herein. In some cases, a composition or plurality of imaging agents is enriched in .sup.18F. In some cases, an imaging agent may be used to image an area of interest in a subject, including, but not limited to, the heart, cardiovascular system, cardiac vessels, brain, and other organs.

The present invention provides compounds with imaging moieties for imaging a subject. The present invention also relates to systems, compositions, and methods for the synthesis and use of imaging agents, or precursors thereof. An imaging agent precursor may be converted to an imaging agent using the methods described herein. In some cases, a composition or plurality of imaging agents is enriched in .sup.18F. In some cases, an imaging agent may be used to image an area of interest in a subject, including, but not limited to, the heart, cardiovascular system, cardiac vessels, brain, and other organs.