Abstract: The present invention relates to an improved method for preparing (meth)acrylic anhydride (A(M)A2O) by transanhydrification between (meth)acrylic acid and acetic anhydride in the presence of at least one polymerization inhibitor, in which reaction to the point of partial conversion of the reagents is carried out, followed by continuous distillation. With the method according to the invention, it is possible to produce I1A(M)A2O of very high purity under improved productivity conditions compared to existing methods while eliminating problems of reactor fouling.

Abstract: The present invention relates to a process for the continuous preparation of selected organic peroxides using plate exchangers having a high heat exchange capacity.

Abstract: The subject of the invention is a method for the synthesis of (meth)acrylic esters by transesterification in the presence of a catalyst corresponding to the formula [(R?O)3Ti]xR? in which R? is a linear or branched alkyl radical having from 2 to 8 carbon atoms which may contain heteroatoms or R? is a phenyl radical, R? is a polyfunctional radical, originating from a polyol R?(OH)x comprising x alcohol functional groups and x is an integer ranging from 2 to 6. The method according to the invention is particularly well suited to the synthesis of dialkylaminoalkyl (meth)acrylates from methyl (meth)acrylate and a dialkylaminoalcohol.

Abstract: This invention provides processes for preparing compounds formula: wherein R is H, alkyl, acyl, aryl, aroyl or —C(O)R?; R? is alkyl or aryl; R1, R2, R4 and R5 are H, —OH, alkyl, cycloalkyl, alkoxy, halogen, fluorinated alkyl or alkoxy, —CN, —NH—SO2-alkyl, —SO2—NH-alkyl, alkyl amide, amino, alkylamino, dialkylamino, acyl, aryl or aroyl; R3 is H, alkyl, cycloalkyl, alkoxy, fluorinated alkyl, —NH—SO2-alkyl, —SO2—NH-alkyl, alkyl amide, amino, alkylamino, dialkylamino, fluorinated alkoxy, acyl, aryl, or aroyl; or a pharmaceutically acceptable salt thereof, as well as novel compounds useful in the synthesis of these compounds.

Abstract: Bicyclic amide derivatives of formula (I) or tautomers or pharmaceutically acceptable salts thereof or both are provided: Also provided are processes for preparing the bicyclic amide derivatives as well as pharmaceutical compositions containing the same and therapeutic uses. The bicyclic amide derivatives are useful for treating a variety of conditions associated with the abnormal modulation of one or more Kv1.1 voltage-gated potassium channels.

Abstract: This invention provides processes for preparing compounds formula: wherein R is H, alkyl, acyl, aryl, aroyl or —C(O)R?; R? is alkyl or aryl; R1, R2, R4 and R5 are H, —OH, alkyl, cycloalkyl, alkoxy, halogen, fluorinated alkyl or alkoxy, —CN, —NH—SO2-alkyl, —SO2—NH-alkyl, alkyl amide, amino, alkylamino, dialkylamino, acyl, aryl or aroyl; R3 is H, alkyl, cycloalkyl, alkoxy, fluorinated alkyl, —NH—SO2-alkyl, —SO2—NH-alkyl, alkyl amide, amino, alkylamino, dialkylamino, fluorinated alkoxy, acyl, aryl, or aroyl; or a pharmaceutically acceptable salt thereof, as well as novel compounds useful in the synthesis of these compounds.

Abstract: Compounds of Formula I or a pharmaceutically acceptable salt thereof are provided: where R1 through R7 are defined herein. The compounds of Formula I are 5HT2c agonists or partial agonists, and are useful for treating a variety of disorders.

Abstract: This invention provides compounds of formula I, wherein R is hydrogen or alkyl of 1–6 carbon atoms; R? is hydrogen, alkyl of 1–6 carbon atoms, acyl of 2–7 carbon atoms, or aroyl; R1, R2, R3, and R4 are each, independently, hydrogen, alkyl of 1–6 carbon atoms, alkoxy of 1–6 carbon atoms, halogen, trifluoroalkyl, or trifluoroalkoxy of 1–6 carbon atoms; X is CR5R6 or a carbonyl group; R5 and R6 are each, independently, hydrogen or alkyl of 1–6 carbon atoms; or a pharmaceutically acceptable salt thereof, with the proviso that at least two of R1, R2, R3, or R4 are not hydrogen; which are 5HT2C receptor agonists useful for the treatment of disorders involving the central nervous system such as obsessive-compulsive disorder, depression, anxiety, schizophrenia, migraine, sleep disorders, eating disorders, obesity, type II diabetes, and epilepsy.

Abstract: Compounds of Formula I or a pharmaceutically acceptable salt thereof are provided: where R1 through R7 are defined herein. The compounds of Formula I are 5HT2c agonists or partial agonists, and are useful for treating a variety of disorders.

Abstract: This invention relates to compounds which have activity as 5-HT1A agonists and antagonists which may be useful for the treatment of anxiety, depression, cognitive deficits, and prostate cancer, having the formula wherein: X is a moiety selected from the group of: n is selected from the integers 1 through 5; R1 is optionally substituted aryl or mono or bicyclic heteroaryl, with a proviso that heteroaryl is not thiadiazole; R2 is H or alkyl; R3 is H, COR5, COOR5, and CONR5R6; R4 is H, alkyl, alkenyl, alkynyl, aryl, mono or bicyclic heteroaryl, aralkyl, and mono or bicyclic heteroaralkyl, wherein the aryl or heteroaryl groups are optionally substituted; R5 and R6 are H, alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, adamantyl, and noradamantyl or R5 and R6 taken together may form a 5–7 membered azacyclic ring, optionally containing an additional heteroatom selected from O, S, or NR4; when R5 or R6 are chosen from cycloalkyl or cycloalkenyl, the cyclic group may optionally be substituted at the 1-pos

Abstract: This invention provides compounds of Formula I having the structure wherein, R1, R2, R3, R4, R5, T, T1, T2, and X are as defined hereinbefore, or a pharmaceutically acceptable salt thereof, which are useful in treating or inhibiting metabolic disorders related to insulin resistance or hyperglycemia (typically associated with obesity or glucose intolerance), atherosclerosis, gastrointestinal disorders, neurogenetic inflammation, glaucoma, ocular hypertension and frequent urination; and are particularly useful in the treatment or inhibition of type II diabetes.

Abstract: This invention provides methods for the treatment or inhibition of hyperactive gastrointestinal motility in a mammal utilizing compounds having the formula: where R, and R1 to R6 are described herein.

Abstract: Compounds of formula (I) or pharmaceutically acceptable salts thereof are provided: where R1 through R7 are defined herein. The compounds of formula (I) are 5HT2c agonists or partial agonists, and are useful for treating a variety of disorders.

Abstract: This invention provides a process for the preparation of 1, 2, 3, 4, 8, 9, 10, 10a-octahydro-7bH-cyclopenta[b][1,4]diazepino[6,7,1-hi]indole derivatives of the general formula: wherein: R is H, alkyl, cycloalkyl, —CH2-cycloalkyl, acyl, aryl or aroyl; R1, R2, R4 and R5 are H, hydroxy, alkyl, cycloalkyl, alkoxy, halogen, fluorinated alkyl, —CN, —NH—SO2-alkyl, —SO2—NH-alkyl, alkyl amide, amino, alkylamino, dialkylmino, fluorinated alkoxy, acyl, aryl or aroyl; R3 is H, alkyl, cycloalkyl, alkoxy, fluorinated alkyl, alkyl sulfonamide, alkyl amide, amino, alkylamino, dialkylmino, fluorinated alkoxy, acyl, aryl or aroyl; or a pharmaceutically acceptable salt thereof, as well as intermediates for their synthesis.

Abstract: This invention provides compounds of the formula: wherein R1 and R2 are each, independently, H, alkyl, cycloalkyl, —CH2-cycloalkyl, alkoxy, halogen, fluorinated alkyl, —CN, —NH—SO2-alkyl, —SO2—NH-alkyl, alkyl amide, amino, alkylamino, dialkylamino, fluorinated alkoxy, acyl, or phenoyl or thiophenoyl; R3 and R4 are each, independently, H, alkyl or cycloalkyl; R5 is H or alkyl; R6 is H or; and the dashed line indicates an optional double bond; or a pharmaceutically acceptable salt thereof, and pharmaceutical compositions and methods utilizing these compounds for the treatment or prevention of disorders including obsessive-compulsive disorder, depression, anxiety, generalized anxiety disorder, schizophrenia, migraine, sleep disorders, eating disorders, obesity, epilepsy, and spinal cord injury.

Abstract: This invention provides compounds and methods using them to provide neuroprotection and prevent or limit processes of neurodegeneration in mammals, including Alzheimer's Disease, Huntington's Disease, Parkinson's Disease, AIDS dementia, retinal disease, diabetic peripheral neuropathy, multiple sclerosis, stroke, acute thromboembolic stroke, focal ischemia, global ischemia, transient ischemic attack, ischemia resulting from surgery, head trauma, spinal trauma, hypoxia, fetal hypoxia, and neuroprotection, the compounds having the structure: wherein X is —CH2— or a bond; Y is —(CH2)m— or —(CH2)—O—(CH2)—; m 0 or 1; n is 0 or 1; R1 and R2 are independently selected from optionally substituted aryl or heteroaryl; the optical isomers and the pharmaceutically acceptable salts thereof.

Abstract: This invention provides compounds and methods using them to provide neuroprotection and prevent or limit processes of neurodegeneration in mammals, including Alzheimer's Disease, Huntington's Disease, Parkinson's Disease, AIDS dementia, retinal disease, diabetic peripheral neuropathy, multiple sclerosis, stroke, acute thromboembolic stroke, focal ischemia, global ischemia, transient ischemic attack, ischemia resulting from surgery, head trauma, spinal trauma, hypoxia, fetal hypoxia, and neuroprotection. The compounds having the structure: wherein X is —CH2— or a bond; Y is —(CH2)m— or —(CH2)—O—(CH2)—; m 0 or 1; n is 0 or 1; R1 and R2 are independently selected from optionally substituted aryl or heteroaryl; the optical isomers and the pharmaceutically acceptable salts thereof.

Abstract: This invention provides compounds of Formula I having the structure wherein: A, X, Y, Z, R1, R2, R3, R4, R5, and R6 are as defined hereinbefore or a pharmaceutically acceptable salt thereof, which are useful in treating or inhibiting metabolic disorders related to insulin resistance or hyperglycemia (typically associated with obesity or glucose intolerance), atherosclerosis, gastrointestinal disorders, neurogenetic inflammation, and frequent urination; and are particularly useful in the treatment or inhibition of type II diabetes.

Abstract: This invention provides processes for synthesizing compounds of formula I: wherein R is H or alkyl; R1, R2 are H, alkyl, alkoxy, halogen, fluorinated alkyl, —CN, alkyl sulfonamide, alkyl amide, amino, alkylamino, dialkylamino, fluorinated alkoxy, acyl, or aroyl; R3 and R4 are H, alkyl or cycloalkyl; the dashed line indicates an optional double bond; as well as intermediates and pharmaceutically acceptable salts thereof.

Abstract: This invention provides compounds of the formulae: wherein: R1 is hydrogen, —C(O)CH3 or alkyl of 1-6 carbon atoms; R2 and R3 are each, independently, hydrogen, alkyl of 1-6 carbon atoms, cycloalkyl, alkoxy of 1-6 carbon atoms, —CH2OH, fluoroalkyl, alkyl sulfonamide of 1-6 carbon atoms, alkyl amide of 1-6 carbon atoms, amino, alkylamino of 1-6 carbon atoms, dialkylamino of 1-6 carbon atoms per alkyl moiety, fluoroalkoxy of 1-6 carbon atoms, acyl of 2-7 carbon atoms, aryl, or aroyl; R4 and R5 are each, independently, hydrogen, alkyl of 1-6 carbon atoms, alkoxy of 1-6 carbon atoms, halogen, fluoroalkyl, —CN, alkyl sulfonamide of 1-6 carbon atoms, alkyl amide of 1-6 carbon atoms, amino, alkylamino of 1-6 carbon atoms, dialkylamino of 1-6 carbon atoms per alkyl moiety, fluoroalkoxy of 1-6 carbon atoms, acyl of 2-7 carbon atoms, or aroyl; R6 and R7 are each independently hydrogen, C1-C6 alkyl or cycloalkyl; or a pharmaceutically acceptable salt thereof, as well as pharmaceut