The present invention relates to novel dopamine D2 receptor ligands. The invention further relates to functionally-biased dopamine D2 receptor ligands and the use of these compounds for treating or preventing central nervous system and systemic disorders associated with dysregulation of dopaminergic activity.

K-Ras is the most frequently mutated oncogene in human cancer. Disclosed herein are compositions and methods for modulating K-Ras and treating cancer.

K-Ras is the most frequently mutated oncogene in human cancer. Disclosed herein are compositions and methods for modulating K-Ras and treating cancer.

A lipid membrane structure includes, as lipid components, a lipid compound represented by Formula (I):

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[in the formula, a represents an integer of 3 to 5; b represents an integer of 0 or 1; R.sup.1 and R.sup.2 each independently represents a linear hydrocarbon group that may have —CO—O—; and X represents a 5- to 7-membered non-aromatic heterocyclic group or a group represented by Formula (B) (in the formula, d represents an integer of 0 to 3, and R.sup.3 and R.sup.4 each independently represents a C.sub.1-4 alkyl group or a C.sub.2-4 alkenyl group, where, R.sup.3 and R.sup.4 may be bonded to each other to form a 5- to 7-membered non-aromatic heterocycle (where, one or two C.sub.1-4 alkyl groups or C.sub.2-4 alkenyl groups may be substituted on the ring)].

The present invention describes a novel method for preparing 4-cyanopiperidine hydrochloride.

The present invention describes a novel method for preparing 4-cyanopiperidine hydrochloride.

The present invention relates to amino- or ammonium-containing sulfonic acid, phosphonic acid and carboxylic acid derivatives, in particular the compounds of formula 1, 2, 3, 4, 5 or 6, and their medical use, including their use in the treatment, prevention or amelioration of an inflammatory, autoimmune and/or allergic disorder. ##STR00001##

The present invention relates to amino- or ammonium-containing sulfonic acid, phosphonic acid and carboxylic acid derivatives, in particular the compounds of formula 1, 2, 3, 4, 5 or 6, and their medical use, including their use in the treatment, prevention or amelioration of an inflammatory, autoimmune and/or allergic disorder. ##STR00001##

Compounds of formula (I) wherein: X is —O—, —S(O).sub.r—, —CH.sub.2—, or —NR—, wherein r is 0, 1, or 2; X.sup.1, X.sup.2, and X.sup.5 are each independently CR.sup.7 or N; one of X.sup.3 or X.sup.4 is C and is attached by a single bond to -L-, and the other is CR.sup.7 or N, provided that no more than three of X.sup.1, X.sup.2, X.sup.3, X or X.sup.5 are N; Ring A is monocyclic C.sub.5-6scycloalkyl or a 5- to 6-membered monocyclic heterocyclyl comprising from 1 to 5 heteroatoms independently selected from N, S, or O; wherein Ring A is further optionally substituted with from 1 to 3 R.sup.4; provided that Ring A is not morpholinyl, thiomorpholinyl or tetrahydro-2H-pyranyl; L is a bond, —O—, —NR—, —S(O).sub.n—, —CH.sub.2—, or —C(O)—, wherein n is 0, 1, or 2; 1 2 L.sup.1 is an C.sub.1-8alkylene, C.sub.3-scycloalkylene, —CH.sub.2-L.sup.2-, or a 3- to 8-membered heterocyclylene comprising 1 to 5; R.sup.1 is C.sub.6-20alkyl or a monocyclic C.sub.3-8cycloalkyl; wherein said C.sub.3-8cycloalkyl is substituted with at least one R.sup.6 and may be optionally substituted with from 1 to 5 additional R.sup.6 substituents, wherein R.sup.6 for each occurrence is independently selected; and R.sup.2 is —C(O)OR.sup.3, —C(O)N(R.sup.3)—S(O).sub.2R.sup.3, —S(O).sub.2OR.sup.3, —C(O)NHC(O)R.sup.3, —Si(O)OH, —B(OH).sub.2, —N(R.sup.3)S(O).sub.2R.sup.3, —S(O).sub.2N(R.sup.3).sub.2, —O—P(O)(OR.sup.3).sub.2, or —P(O)(OR.sup.3).sub.2, —CN, —S(O).sub.2NHC(O)R.sup.3, —C(O)NHS(O).sub.2R3, —C(O)NHOH, —C(O)NHCN, —CH(CF.sub.3)OH, —C(CF.sub.3).sub.2OH, or a selected heteroaryl or heterocyclyl; and pharmaceutically acceptable salts thereof, can modulate the activity of one or more SIP receptors and/or the activity of autotaxin (ATX). ##STR00001##

Compounds of formula (I) wherein: X is —O—, —S(O).sub.r—, —CH.sub.2—, or —NR—, wherein r is 0, 1, or 2; X.sup.1, X.sup.2, and X.sup.5 are each independently CR.sup.7 or N; one of X.sup.3 or X.sup.4 is C and is attached by a single bond to -L-, and the other is CR.sup.7 or N, provided that no more than three of X.sup.1, X.sup.2, X.sup.3, X or X.sup.5 are N; Ring A is monocyclic C.sub.5-6scycloalkyl or a 5- to 6-membered monocyclic heterocyclyl comprising from 1 to 5 heteroatoms independently selected from N, S, or O; wherein Ring A is further optionally substituted with from 1 to 3 R.sup.4; provided that Ring A is not morpholinyl, thiomorpholinyl or tetrahydro-2H-pyranyl; L is a bond, —O—, —NR—, —S(O).sub.n—, —CH.sub.2—, or —C(O)—, wherein n is 0, 1, or 2; 1 2 L.sup.1 is an C.sub.1-8alkylene, C.sub.3-scycloalkylene, —CH.sub.2-L.sup.2-, or a 3- to 8-membered heterocyclylene comprising 1 to 5; R.sup.1 is C.sub.6-20alkyl or a monocyclic C.sub.3-8cycloalkyl; wherein said C.sub.3-8cycloalkyl is substituted with at least one R.sup.6 and may be optionally substituted with from 1 to 5 additional R.sup.6 substituents, wherein R.sup.6 for each occurrence is independently selected; and R.sup.2 is —C(O)OR.sup.3, —C(O)N(R.sup.3)—S(O).sub.2R.sup.3, —S(O).sub.2OR.sup.3, —C(O)NHC(O)R.sup.3, —Si(O)OH, —B(OH).sub.2, —N(R.sup.3)S(O).sub.2R.sup.3, —S(O).sub.2N(R.sup.3).sub.2, —O—P(O)(OR.sup.3).sub.2, or —P(O)(OR.sup.3).sub.2, —CN, —S(O).sub.2NHC(O)R.sup.3, —C(O)NHS(O).sub.2R3, —C(O)NHOH, —C(O)NHCN, —CH(CF.sub.3)OH, —C(CF.sub.3).sub.2OH, or a selected heteroaryl or heterocyclyl; and pharmaceutically acceptable salts thereof, can modulate the activity of one or more SIP receptors and/or the activity of autotaxin (ATX). ##STR00001##