Abstract: The invention relates to 5-HT receptor agonists or antagonists. Novel arylpiperazinyl sulfonamide compounds represented by Formula I, and synthesis and uses thereof for treating diseases including those mediated directly or indirectly by 5-HT receptors, are disclosed. Such conditions include central nervous system disorders such as generalized anxiety disorder, ADD/ADHD, neural injury, stroke, and migraine. Methods of preparation and novel intermediates and pharmaceutical salts thereof are also included.

Abstract: The invention relates to 5-HT receptor agonists or antagonists. Novel arylpiperazinyl sulfonamide compounds represented by Formula I, and synthesis and uses thereof for treating diseases including those mediated directly or indirectly by 5-HT receptors, are disclosed. Such conditions include central nervous system disorders such as generalized anxiety disorder, ADD/ADHD, neural injury, stroke, and migraine. Methods of preparation and novel intermediates and pharmaceutical salts thereof are also included.

Abstract: The invention generally relates to thienopyridinone 5-HT4 receptor modulators, and in particular the use of these compounds and their pharmaceutical compositions, e.g., in the treatment, modulation and/or prevention of physiological conditions associated with serotonin action, such as in treating Alzheimer's disease, cognition disorders, depression, and anxiety.

Abstract: The invention relates to 5-HT6 receptor antagonists. Novel arylamine compounds and use of these compounds and their pharmaceutical compositions, e.g., in the treatment, modulation and/or prevention of physiological conditions associated with serotonin action, such as in treating obesity, and obesity-related disorders, e.g., cardiovascular disease, digestive disease, respiratory disease, cancer and type II diabetes; and psychological disorders such as schizophrenia, are disclosed.

Abstract: The invention relates to 5-HT receptor agonists and partial agonists. Novel thienopyridinone compounds represented by Formula I, and synthesis and uses thereof for treating diseases mediated directly or indirectly by 5-HT receptors, are disclosed. Such conditions include Alzheimer's disease, cognition disorders, irritable bowel syndrome, nausea, emesis, vomiting, prokinesia, gastroesophageal reflux disease, nonulcer dyspepsia, depression, anxiety, urinary incontinence, migraine, arrhythmia, atrial fibrillation, ischemic stroke, gastritis, gastric emptying disorders, feeding disorders, gastrointestinal disorders, constipation, erectile dysfunction, and respiratory depression. Methods of preparation and novel intermediates and pharmaceutical salts thereof are also included.

Abstract: The invention relates to 5-HT4 receptor agonists and partial agonists. Novel thienopyridinone compounds and synthesis and uses thereof for treating diseases mediated directly or indirectly by 5-HT4 receptors, are disclosed. Such conditions include Alzheimer's disease, cognition disorders, irritable bowel syndrome, Parkinson's disease, nausea, emesis, vomiting, prokinesia, gastroesophageal reflux disease, and nonulcer dyspepsia. Methods of preparation and novel intermediates and pharmaceutical salts thereof are also included.

Abstract: The invention relates to 5-HT receptor agonists and partial agonists. Novel thienopyridinone compounds represented by Formula I, and synthesis and uses thereof for treating diseases mediated directly or indirectly by 5-HT receptors, are disclosed. Such conditions include Alzheimer's disease, cognition disorders, irritable bowel syndrome, nausea, emesis, vomiting, prokinesia, gastroesophageal reflux disease, nonulcer dyspepsia, depression, anxiety, urinary incontinence, migraine, arrhythmia, atrial fibrillation, ischemic stroke, gastritis, gastric emptying disorders, feeding disorders, gastrointestinal disorders, constipation, erectile dysfunction, and respiratory depression. Methods of preparation and novel intermediates and pharmaceutical salts thereof are also included.

Abstract: The invention relates to 5-HT receptor modulators, particularly 5-HT2B antagonists. Novel piperidinylamino-thieno [2,3-d] pyrimidine compounds represented by Formula I, II and III, and uses thereof for treating conditions including pulmonary arterial hypertension, congestive heart failure, and hypertension.

Abstract: The invention relates to 5-HT receptor antagonists. Novel piperidinylamino-thieno [2,3-d]pyrimidine compounds represented by Formula I, and synthesis and uses thereof for treating diseases mediated directly or indirectly by 5-HT receptors, are disclosed. Such conditions include central nervous system disorders such as pulmonary arterial hypertension, migraine, hypertension, disorders of the gastrointestinal tract, restenosis, asthma, obstructive airway disease, prostatic hyperplasia and priapism, anxiety, depression, schizophrenia, neural injury and stroke. Methods of preparation and novel intermediates and pharmaceutical salts thereof are also provided.

Abstract: The present invention provides certain alpha-amino acids and derivatives thereof, such as, but not limited to, esters, amides and salts. These derivatives may comprise such representative side groups as a phenyl, pyridyl, piperidinyl, tetrahydropyranyl, tetrahydrothiopyranyl, or thienyl group. The present invention further provides a method for synthesizing alpha-amino acids and derivatives thereof via a modified Ugi type reaction using an aldehyde, ammonium formate and a C1-C5 alkyl isocyanide. The compounds provided by this method are useful in the development of new pharmaceuticals for the treatment of human diseases.

Abstract: The present invention provides certain alpha-amino acids and derivatives thereof, such as, but not limited to, esters, amides and salts. The present invention also provides a novel method for the synthesis of alpha-amino acids and derivatives thereof.