Abstract:
Imidazo[1,2-a]pyridines of the formulae I and II: are disclosed. The compounds are useful to treat anxiety and insomnia. Pharmaceutical compositions and methods are also disclosed. A representative compound of the invention is:
Abstract:
The invention relates to prodrugs of fused heterocyclic inhibitors of D-amino oxidase (DAAO) and methods of treating diseases and conditions, wherein modulation of D-amino acid oxidase activity, D-serine levels, D-serine oxidative products and NMDA receptor activity in the nervous system of a mammalian subject is effective.
Abstract:
This invention provides fused heterocycles having the formula: in which R1 is a member selected from the group consisting of H, substituted or unsubstituted arylalkyl and substituted or unsubstituted heteroarylalkyl. R2 is a member selected from the group consisting of H substituted or unsubstituted alkenyl, substituted or unsubstituted arylalkyl and substituted or unsubstituted heteroarylalkyl. R3 is a member selected from the group consisting of H, C1-C6 substituted or unsubstituted alkyl, substituted or unsubstituted arylalkyl and substituted or unsubstituted heteroarylalkyl. R4 is a member selected from OH and O−X+, in which X+ is positive ion which is a member selected from organic positive ions and inorganic positive ions. Substituted or unsubstituted arylalkyl and substituted or unsubstituted heteroarylalkyl moieties have the formula: in which Ar is a member selected from the group consisting of substituted or unsubstituted aryl and substituted or unsubstituted heteroaryl. The index n is an integer from 1 to 4.
Abstract:
Methods for increasing D-Serine concentration and reducing concentration of the toxic products of D-Serine oxidation, for enhancing learning, memory and/or cognition, or for treating schizophrenia, Alzheimer's disease, ataxia or neuropathic pain, or preventing loss in neuronal function characteristic of neurodegenerative diseases involve administering to a subject in need of treatment a therapeutically effective amount of a compound of formula I, or a pharmaceutically acceptable salt or solvate thereof: wherein R1 and R2 are independently selected from hydrogen, halo, nitro, alkyl, acyl, alkylaryl, and XYR5; or R1 and R2, taken together, form a 5, 6, 7 or 8-membered substituted or unsubstituted carbocyclic or heterocyclic group; X and Y are independently selected from O, S, NH, and (CR6R7)n; R3 is hydrogen, alkyl or M+; M is aluminum, calcium, lithium, magnesium, potassium, sodium, zinc ion or a mixture thereof; Z is N or CR4; R4 is from selected from hydrogen, halo, nitro, alkyl, alkylaryl, and XYR5; R5 is selected from aryl, substituted aryl, heteroaryl and substituted heteroaryl; R6 and R7 are independently selected from hydrogen and alkyl; n is an integer from 1 to 6; at least one of R1, R2 and R4 is other than hydrogen; and at least one of X and Y is (CR6R7)n. D-serine or cycloserine may be coadministered along with the compound of formula I.
Abstract translation:提高D-丝氨酸浓度,降低D-丝氨酸氧化毒性浓度的方法,用于增强学习,记忆和/或认知,或用于治疗精神分裂症,阿尔茨海默病,共济失调或神经性疼痛,或防止神经功能特征丧失 的神经变性疾病涉及向需要治疗的受试者施用治疗有效量的式I化合物或其药学上可接受的盐或溶剂合物:其中R 1和R 2独立地选自氢,卤素,硝基,烷基,酰基, 烷基芳基和XYR5; 或R 1和R 2一起形成5,6,7或8元取代或未取代的碳环或杂环基团; X和Y独立地选自O,S,NH和(CR 6 R 7)n; R3是氢,烷基或M +; M是铝,钙,锂,镁,钾,钠,锌离子或它们的混合物; Z是N或CR4; R4选自氢,卤素,硝基,烷基,烷基芳基和XYR5; R 5选自芳基,取代的芳基,杂芳基和取代的杂芳基; R6和R7独立地选自氢和烷基; n是1至6的整数; R 1,R 2和R 4中的至少一个不是氢; 并且X和Y中的至少一个是(CR 6 R 7)n。 D-丝氨酸或环丝氨酸可以与式I化合物共同给药。
Abstract:
The present invention generally relates to pharmaceutical compositions comprising a dopamine agonist and sedative agent. In a preferred embodiment, the dopamine agonist is optically pure (S)-didesmethylsibutramine. In a preferred embodiment, the sedative agent is optically pure (S)-zopiclone or optically pure (S)—N-desmethylzopiclone. In a preferred embodiment, the dopamine agonist is optically pure (S)-didesmethylsibutramine; and the sedative agent is optically pure (S)-zopiclone or optically pure (S)—N-desmethylzopiclone. The pharmaceutical compositions of the invention are useful in the treatment of restless-leg syndrome and periodic-limb-movement disorder, as well as various sleep disorders. In addition, the present invention relates to a method of treating a patient suffering from restless-leg syndrome, periodic-limb-movement disorder, a sleep abnormality, or insomnia, comprising coadministering a therapeutically effective amount of a dopamine agonist and a therapeutically effective amount of a sedative agent. In a preferred embodiment, the dopamine agonist is optically pure (S)-didesmethylsibutramine. In a preferred embodiment, the sedative agent is optically pure (S)-zopiclone or optically pure (S)—N-desmethylzopiclone. In a preferred embodiment, the dopamine agonist is optically pure (S)-didesmethylsibutramine; and the sedative agent is optically pure (S)-zopiclone or optically pure (S)—N-desmethylzopiclone.
Abstract:
This invention provides fused heterocycles having the formula: in which R1 is a member selected from the group consisting of H, substituted or unsubstituted arylalkyl and substituted or unsubstituted heteroarylalkyl. R2 is a member selected from the group consisting of H substituted or unsubstituted alkenyl, substituted or unsubstituted arylalkyl and substituted or unsubstituted heteroarylalkyl. R3is a member selected from the group consisting of H, C1-C6 substituted or unsubstituted alkyl, substituted or unsubstituted arylalkyl and substituted or unsubstituted heteroarylalkyl. R4 is a member selected from OH and O−X+, in which X+ is positive ion which is a member selected from organic positive ions and inorganic positive ions. Substituted or unsubstituted arylalkyl and substituted or unsubstituted heteroarylalkyl moieties have the formula: in which Ar is a member selected from the group consisting of substituted or unsubstituted aryl and substituted or unsubstituted heteroaryl. The index n is an integer from 1 to 4.
Abstract:
A novel L-malate salt of (6-(5-chloro-2-pyridyl)-5-[(4-methyl-1-piperazinyl)carbonyloxy]-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazine) is provided.
Abstract:
This invention provides novel inhibitors of the enzyme D-amino acid oxidase as well as pharmaceutical compositions including the compounds of the invention. Also provided are methods for the treatment and prevention of neurological disorders, such as neuropsychiatric and neurodegenerative diseases, as well as pain, ataxia and convulsion. The compounds of the invention have the general structure: wherein Q is a member selected from O, S, CR1 and N, X and Y are members independently selected from CR2, O, S, N and NR3.
Abstract:
The invention relates to novel cyclohexylamine derivatives and their use in the treatment and/or prevention of central nervous system (CNS) disorders, such as depression, anxiety, schizophrenia and sleep disorder as well as methods for their synthesis. The invention also relates to pharmaceutical compositions containing the compounds of the invention, as well as methods of inhibiting reuptake of endogenous monoamines, such as dopamine, serotonin and norepinephrine from the synaptic cleft and methods of modulating one or more monoamine transporter.