In one aspect, compounds of Formulae (I) and (II), or pharmaceutically acceptable salts thereof, are featured; Formula (I), Formula (II) or a pharmaceutically acceptable salt thereof, wherein the variables shown in Formulae (I) and (II) can be as defined anywhere herein. ##STR00001##

In one aspect, compounds of Formulae (I) and (II), or pharmaceutically acceptable salts thereof, are featured; Formula (I), Formula (II) or a pharmaceutically acceptable salt thereof, wherein the variables shown in Formulae (I) and (II) can be as defined anywhere herein. ##STR00001##

A compound represented by formula (I)

##STR00001## or an N-oxide compound thereof is provided with excellent control efficacies against harmful arthropods, wherein A.sup.1 represents a nitrogen atom or a CR.sup.4; R.sup.4 represents a hydrogen atom, a OR.sup.27, a NR.sup.27R.sup.28, a cyano group, a nitro group, or a halogen atom;

##STR00002##

hereinafter referred to as “Het”, represents Het-1, Het-2, Het-3, or Het-4:

##STR00003## wherein #.sup.1 represents the binding position of Het and T, and #.sup.2 represents the binding position of Het and

##STR00004## T represents T-1, T-2, T-3, T-4, T-5, T-6, or T-7:

##STR00005## R.sup.1 represents a C1-C10 chain hydrocarbon group having one or more halogen atoms or the like; and R.sup.2 represents a C1-C6 alkyl group optionally having one or more halogen atoms or the like.

A compound represented by formula (I)

##STR00001## or an N-oxide compound thereof is provided with excellent control efficacies against harmful arthropods, wherein A.sup.1 represents a nitrogen atom or a CR.sup.4; R.sup.4 represents a hydrogen atom, a OR.sup.27, a NR.sup.27R.sup.28, a cyano group, a nitro group, or a halogen atom;

##STR00002##

hereinafter referred to as “Het”, represents Het-1, Het-2, Het-3, or Het-4:

##STR00003## wherein #.sup.1 represents the binding position of Het and T, and #.sup.2 represents the binding position of Het and

##STR00004## T represents T-1, T-2, T-3, T-4, T-5, T-6, or T-7:

##STR00005## R.sup.1 represents a C1-C10 chain hydrocarbon group having one or more halogen atoms or the like; and R.sup.2 represents a C1-C6 alkyl group optionally having one or more halogen atoms or the like.

The present invention relates to compounds of formula (I): Formula (I) wherein Q is selected from O or S; L is a saturated or unsaturated, optionally substituted C.sub.1-C.sub.12 hydrocarbylene group optionally including one or more heteroatoms N, O or S; R.sup.1 is —NR.sup.3R.sup.4, —OR.sup.5, —(C═NR.sup.6)R.sup.7, —(CO)R.sup.8, —CN, —N.sub.3, a quaternary ammonium group or an optionally substituted heterocycle; R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7 and R.sup.8 are each independently hydrogen or a saturated or unsaturated, optionally substituted C.sub.1-C.sub.10 hydrocarbyl group optionally including one or more heteroatoms N, O or S; wherein optionally L and R.sup.3, or L and R.sup.4, or R.sup.3 and R.sup.4, or L and R.sup.5, or L and R.sup.6, or L and R.sup.7, or R.sup.6 and R.sup.7, or L and R.sup.8 together with the atom(s) to which they are attached may form a 3- to 12-membered, saturated or unsaturated, optionally substituted cyclic group; and R.sup.2 is a cyclic group substituted at the a-position, wherein R.sup.2 may optionally be further substituted; provided that the atom of L which is attached to the sulfur atom of the sulfonylurea group is a carbon atom and is not a ring atom of a heterocyclic or aromatic group. The present invention further relates to salts, solvates and prodrugs of such compounds, to pharmaceutical compositions comprising such compounds, and to the use of such compounds in the treatment and prevention of medical disorders and diseases, most especially by the inhibition of NLRP.sub.3. ##STR00001##

The present invention relates to compounds of formula (I): Formula (I) wherein Q is selected from O or S; L is a saturated or unsaturated, optionally substituted C.sub.1-C.sub.12 hydrocarbylene group optionally including one or more heteroatoms N, O or S; R.sup.1 is —NR.sup.3R.sup.4, —OR.sup.5, —(C═NR.sup.6)R.sup.7, —(CO)R.sup.8, —CN, —N.sub.3, a quaternary ammonium group or an optionally substituted heterocycle; R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7 and R.sup.8 are each independently hydrogen or a saturated or unsaturated, optionally substituted C.sub.1-C.sub.10 hydrocarbyl group optionally including one or more heteroatoms N, O or S; wherein optionally L and R.sup.3, or L and R.sup.4, or R.sup.3 and R.sup.4, or L and R.sup.5, or L and R.sup.6, or L and R.sup.7, or R.sup.6 and R.sup.7, or L and R.sup.8 together with the atom(s) to which they are attached may form a 3- to 12-membered, saturated or unsaturated, optionally substituted cyclic group; and R.sup.2 is a cyclic group substituted at the a-position, wherein R.sup.2 may optionally be further substituted; provided that the atom of L which is attached to the sulfur atom of the sulfonylurea group is a carbon atom and is not a ring atom of a heterocyclic or aromatic group. The present invention further relates to salts, solvates and prodrugs of such compounds, to pharmaceutical compositions comprising such compounds, and to the use of such compounds in the treatment and prevention of medical disorders and diseases, most especially by the inhibition of NLRP.sub.3. ##STR00001##

In one aspect, compounds of Formulae (I) and (II), or pharmaceutically acceptable salts thereof, are featured; Formula (I), Formula (II) or a pharmaceutically acceptable salt thereof, wherein the variables shown in Formulae (I) and (II) can be as defined anywhere herein.

##STR00001##

In one aspect, compounds of Formulae (I) and (II), or pharmaceutically acceptable salts thereof, are featured; Formula (I), Formula (II) or a pharmaceutically acceptable salt thereof, wherein the variables shown in Formulae (I) and (II) can be as defined anywhere herein.

##STR00001##

The present disclosure relates to compounds of formula I that are useful as modulators of α7 nAChR, compositions comprising such compounds, and the use of such compounds for preventing, treating, or ameliorating disease, particularly disorders of the central nervous system such as cognitive impairments in Alzheimer's disease, Parkinson's disease, and schizophrenia, as well as for L-DOPA induced-dyskinesia and inflammation ##STR00001##

The present disclosure relates to compounds of formula I that are useful as modulators of α7 nAChR, compositions comprising such compounds, and the use of such compounds for preventing, treating, or ameliorating disease, particularly disorders of the central nervous system such as cognitive impairments in Alzheimer's disease, Parkinson's disease, and schizophrenia, as well as for L-DOPA induced-dyskinesia and inflammation ##STR00001##