Abstract: The present invention is directed to 2-pyridylamino-4-nitrile-piperidinyl compounds which are antagonists of orexin receptors. The present invention is also directed to uses of the 2-pyridylamino-4-nitrile-piperidinyl compounds described herein in the treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved. The present invention is also directed to pharmaceutical compositions comprising these compounds. The present invention is also directed to uses of these pharmaceutical compositions in the prevention or treatment of such diseases in which orexin receptors are involved.

Abstract: The present invention is directed to thioether-piperidinyl compounds which are antagonists of orexin receptors. The present invention is also directed to uses of the thioether-piperidinyl compounds described herein in the potential treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved. The present invention is also directed to pharmaceutical compositions comprising these compounds. The present invention is also directed to uses of these pharmaceutical compositions in the prevention or treatment of such diseases in which orexin receptors are involved.

Abstract: The present invention is directed to 2-pyridyloxy-3-ester-4-nitrile compounds which are antagonists of orexin receptors. The present invention is also directed to uses of the 2-pyridyloxy-3-ester-4-nitrile compounds described herein in the treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved. The present invention is also directed to pharmaceutical compositions comprising these compounds. The present invention is also directed to uses of these pharmaceutical compositions in the prevention or treatment of such diseases in which orexin receptors are involved.

Abstract: The present invention is directed to 2-pyridyloxy-4-methyl compounds which are antagonists of orexin receptors. The present invention is also directed to uses of the 2-pyridyloxy-4-methyl compounds described herein in the potential treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved. The present invention is also directed to pharmaceutical compositions comprising these compounds. The present invention is also directed to uses of these pharmaceutical compositions in the prevention or treatment of such diseases in which orexin receptors are involved.

Abstract: The present invention is directed to 2-pyridyloxy-4-ester compounds which are antagonists of orexin receptors. The present invention is also directed to uses of the 2-pyridyloxy-4-ester compounds described herein in the potential treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved. The present invention is also directed to pharmaceutical compositions comprising these compounds. The present invention is also directed to uses of these pharmaceutical compositions in the prevention or treatment of such diseases in which orexin receptors are involved.

Abstract: The present invention is directed to piperidinyloxy lactone compounds which are antagonists of orexin receptors. The present invention is also directed to uses of the piperidinyloxy lactone compounds described herein in the potential treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved. The present invention is also directed to pharmaceutical compositions comprising these compounds. The present invention is also directed to uses of these pharmaceutical compositions in the prevention or treatment of such diseases in which orexin receptors are involved.

Abstract: The present invention is directed to 2-pyridyloxy-3-substituted-4-nitrile compounds which are antagonists of orexin receptors. The present invention is also directed to uses of the 2-pyridyloxy-3-substituted-4-nitrile compounds described herein in the treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved. The present invention is also directed to pharmaceutical compositions comprising these compounds. The present invention is also directed to uses of these pharmaceutical compositions in the prevention or treatment of such diseases in which orexin receptors are involved.

Abstract: The present invention is directed to 2-pyridyloxy-4-methyl compounds which are antagonists of orexin receptors. The present invention is also directed to uses of the 2-pyridyloxy-4-methyl compounds described herein in the potential treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved. The present invention is also directed to pharmaceutical compositions comprising these compounds. The present invention is also directed to uses of these pharmaceutical compositions in the prevention or treatment of such diseases in which orexin receptors are involved.

Abstract: The present invention is directed to piperidinyloxy lactone compounds which are antagonists of orexin receptors. The present invention is also directed to uses of the piperidinyloxy lactone compounds described herein in the potential treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved. The present invention is also directed to pharmaceutical compositions comprising these compounds. The present invention is also directed to uses of these pharmaceutical compositions in the prevention or treatment of such diseases in which orexin receptors are involved.

Abstract: The present invention is directed to thioether-piperidinyl compounds which are antagonists of orexin receptors. The present invention is also directed to uses of the thioether-piperidinyl compounds described herein in the potential treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved. The present invention is also directed to pharmaceutical compositions comprising these compounds. The present invention is also directed to uses of these pharmaceutical compositions in the prevention or treatment of such diseases in which orexin receptors are involved.

Abstract: The present invention is directed to 2-amino-3-ester pyridyl compounds which are antagonists of orexin receptors. The present invention is also directed to uses of the 2-amino-3-ester pyridyl compounds described herein in the potential treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved. The present invention is also directed to pharmaceutical compositions comprising these compounds. The present invention is also directed to uses of these pharmaceutical compositions in the prevention or treatment of such diseases in which orexin receptors are involved.

Abstract: The present invention is directed to 2-pyridyloxy-3-ester-4-ether compounds which are antagonists of orexin receptors. The present invention is also directed to uses of the 2-pyridyloxy-4-ether compounds described herein in the potential treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved. The present invention is also directed to pharmaceutical compositions comprising these compounds. The present invention is also directed to uses of these pharmaceutical compositions in the prevention or treatment of such diseases in which orexin receptors are involved.

Abstract: The present invention is directed to 2-pyridyloxy-4-ester compounds which are antagonists of orexin receptors. The present invention is also directed to uses of the 2-pyridyloxy-4-ester compounds described herein in the potential treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved. The present invention is also directed to pharmaceutical compositions comprising these compounds. The present invention is also directed to uses of these pharmaceutical compositions in the prevention or treatment of such diseases in which orexin receptors are involved.

Abstract: The invention provides compounds of Formula (I) and pharmaceutically acceptable salts, solvates, tautomers, stereoisomers, and/or esters thereof. These compounds, and pharmaceutical composition comprising such compounds are useful treating or preventing HIV infections, and in treating proliferative disorders such as inhibiting the metastasis of various cancers.

Abstract: The present invention is directed to 2-hydroxymethyl compounds which are antagonists of orexin receptors. The present invention is also directed to uses of the compounds described herein in the potential treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved. The present invention is also directed to pharmaceutical compositions comprising these compounds. The present invention is also directed to uses of these pharmaceutical compositions in the prevention or treatment of such diseases in which orexin receptors are involved.

Abstract: The present invention is directed to hydroxy compounds which are antagonists of orexin receptors. The present invention is also directed to uses of the compounds described herein in the potential treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved. The present invention is also directed to pharmaceutical compositions comprising these compounds. The present invention is also directed to uses of these pharmaceutical compositions in the prevention or treatment of such diseases in which orexin receptors are involved.

Abstract: The present invention is directed to 2-pyridyloxy-4-ether compounds which are antagonists of orexin receptors. The present invention is also directed to uses of the 2-pyridyloxy-4-ether compounds described herein in the potential treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved. The present invention is also directed to pharmaceutical compositions comprising these compounds. The present invention is also directed to uses of these pharmaceutical compositions in the prevention or treatment of such diseases in which orexin receptors are involved.

Abstract: The present invention is directed to 2-pyridylamino-4-nitrile-piperidinyl compounds which are antagonists of orexin receptors. The present invention is also directed to uses of the 2-pyridylamino-4-nitrile-piperidinyl compounds described herein in the treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved. The present invention is also directed to pharmaceutical compositions comprising these compounds. The present invention is also directed to uses of these pharmaceutical compositions in the prevention or treatment of such diseases in which orexin receptors are involved.

Abstract: The present invention is directed to 2-pyridyloxy-3-nitrile-4-substituted compounds which are antagonists of orexin receptors. The present invention is also directed to uses of the 2-pyridyloxy-3-nitrile-4-substituted compounds described herein in the potential treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved. The present invention is also directed to pharmaceutical compositions comprising these compounds. The present invention is also directed to uses of these pharmaceutical compositions in the prevention or treatment of such diseases in which orexin receptors are involved.

Abstract: The present invention is directed to 3-ester-4-substituted compounds which are antagonists of orexin receptors. The present invention is also directed to uses of the 3-ester-4-substituted compounds described herein in the potential treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved. The present invention is also directed to pharmaceutical compositions comprising these compounds. The present invention is also directed to uses of these pharmaceutical compositions in the prevention or treatment of such diseases in which orexin receptors are involved.