Abstract: The present invention relates to novel aryl indolyl sulfonamide compounds of the formula (I), their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates described herein and pharmaceutically acceptable compositions containing them.

Abstract: The present invention relates to novel aminoalkoxy arylsulfonamide compounds of the formula (I), their derivatives, their stereoisomers, their pharmaceutically acceptable salts and pharmaceutically acceptable compositions containing them. The present invention also relates to a process for the preparation of above said novel compounds, their derivatives, their stereoisomers, their pharmaceutically acceptable salts and pharmaceutically acceptable compositions containing them. These compounds are useful in the treatment of various disorders that are related to 5-HT6 receptor functions. Specifically, the compounds of this invention are also useful in the treatment of various CNS disorders, hematological disorders, eating disorders, diseases associated with pain, respiratory diseases, genito-urological disorders, cardiovascular diseases and cancer.

Abstract: The present invention provides aminoaryl sulphonamide derivatives of formula (I), useful in the treatment of a CNS disorder related to or affected by the 5-HT6 receptor. Pharmacological profiles of these components include high affinity binding with 5-HT6 receptors along with good selectivity towards the receptor. The present invention also includes stereoisomers, the salts, methods of preparation and medicine containing the aminoaryl sulphonamide derivatives.

Abstract: The present invention relates to novel amino arylsulfonamide compounds of the formula (I), their derivatives, their stereoisomers, their pharmaceutically acceptable salts and pharmaceutically acceptable compositions containing them: The present invention also relates to a process for the preparation of above said novel compounds, their derivatives, their stereoisomers, their pharmaceutically acceptable salts and pharmaceutically acceptable compositions containing them. The compounds of the invention are useful in the treatment of various disorders that are related to 5-HT6 receptor functions. Specifically, the compounds of this invention are also useful in the treatment of various CNS disorders, hematological disorders, eating disorders, obesity, anxiety, depression, diseases associated with pain, respiratory diseases, gastrointestinal, cardiovascular diseases and cancer.

Abstract: The invention relates to an improved process for the preparation of Losartan. The process comprising reacting 2-n-butyl-4-chloro-5-formyl imidazole with 2-(4-bromomethyl) benzonitrile in the presence of a phase transfer catalyst and an alkali, and reducing the resulting cyano aldehyde to produce a cyano alcohol which is further reacted with sodium azide in N-methyl pyrrolidinone and a salt to produce Losartan.

Abstract: The invention relates to a improved process for the preparation of Losartan and its potassium salt, which comprises: (i) reacting bromo OTBN with BCFI in the presence of a base and a phase transfer catalyst to produce a cyano aldehyde; reacting the formed cyano aldehyde with sodium azide in the presence of tributyl tin chloride to produce aldehyde tetrazole; reducing the formed aldehyde tetrazole with sodium borohydride to produce Losartan; and, if desired, converting the formed Losartan to its potassium salt by known method.

Abstract: N-arylsulfonyl-3-substituted indole compounds, derivatives, analogs, tautomeric forms, stereoisomers, geometric forms, N-oxides, polymorphs and pharmaceutically acceptable salts.

Abstract: An improved process for the preparation of aripiprazole (1) which comprises (i) reacting 6-hydroxy-l-indanone (11) with 1,4-dihalobutane (12) in the presence of a base and a solvent at a temperature in the range of 90 to 110 deg C to form the novel intermediate 6-(4-halo butoxy)-indan-1-one (3), (ii) reacting the novel intermediate with 1-(2,3-clichlorophenyl)-piperazine (9) to get another novel intermediate 6-[4-[4-(2,3-dichlorophenyl)-l-piperazinyl]butoxy]-indan-l-one (2) and (iii) reacting the resulting novel compound with sodium azide. The invention also relates to the novel intermediates of the formulae (2) & (3) and processes for their preparation. The invention also includes intermediate compounds useful for the preparation of aripiprazole.

Abstract: The invention relates to a improved process for the preparation of Losartan and its potassium salt, which comprises: (i) reacting bromo OTBN with BCFI in the presence of a base and a phase transfer catalyst to produce a cyano aldehyde; reacting the formed cyano aldehyde with sodium azide in the presence of tributyl tin chloride to produce aldehyde tetrazole; reducing the formed aldehyde tetrazole with sodium borohydride to produce Losartan; and, if desired, converting the formed Losartan to its potassium salt by known method.

Abstract: The present invention relates to novel amino arylsulfonamide compounds of the formula (I), their derivatives, their stereoisomers, their pharmaceutically acceptable salts and pharmaceutically acceptable compositions containing them: The present invention also relates to a process for the preparation of above said novel compounds, their derivatives, their stereoisomers, their pharmaceutically acceptable salts and pharmaceutically acceptable compositions containing them. The compounds of the invention are useful in the treatment of various disorders that are related to 5-HT6 receptor functions. Specifically, the compounds of this invention are also useful in the treatment of various CNS disorders, hematological disorders, eating disorders, obesity, anxiety, depression, diseases associated with pain, respiratory diseases, gastrointestinal, cardiovascular diseases and cancer.

Abstract: Tetracyclic 3-substituted indoles having serotonin receptor affinity and pharmaceutically acceptable salts thereof.

Abstract: The present invention relates to the improved process for the preparation of highly pure form of S-[1,2-(dicarbethoxy)-ethyl]O,O-dimethyl phosphorodithioate having formula (I). The compound of formula (I) has adopted name “Malathion”. The present invention also relates to the novel process of preparing intermediate O,O-dimethyldithiophosphoric acid of formula (II), which is useful in the preparation of Malathion. The Malathion prepared by the process of this invention is highly storage stable and toxic impurities are much lower than any other commercial preparation available for the pharmaceutical purpose.

Abstract: The present invention relates to novel aminoalkoxy arylsulfonamide compounds of the formula (I), their derivatives, their stereoisomers, their pharmaceutically acceptable salts and pharmaceutically acceptable compositions containing them. The present invention also relates to a process for the preparation of above said novel compounds, their derivatives, their stereoisomers, their pharmaceutically acceptable salts and pharmaceutically acceptable compositions containing them. These compounds are useful in the treatment of various disorders that are related to 5-HT6 receptor functions. Specifically, the compounds of this invention are also useful in the treatment of various CNS disorders, hematological disorders, eating disorders, diseases associated with pain, respiratory diseases, genito-urological disorders, cardiovascular diseases and cancer.

Abstract: The present invention relates to novel tetracyclic arylsulfonyl indoles, their derivatives, their analogues, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates, novel intermediates described herein and pharmaceutically acceptable compositions containing them. This invention particularly relates to novel tetracyclic arylsulfonyl indoles of the general formula (I), their derivatives, their analogues, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates, novel intermediates described herein and pharmaceutically acceptable compositions containing them. This invention also relates to process/es for preparing such compound/s of general formula (I), composition/s containing effective amount/s of such a compound and the use of such a compound/composition in therapy.

Abstract: N-arylsulfonyl-3-aminoalkoxyindoles indole compounds, radioisotopes, stereoisomers, geometric forms, N-oxides, polymorphs and pharmaceutically acceptable salts.

Abstract: The present invention provides indeno[2,1a]indene and isoindolo[2,1-a]indole derivatives of the Formula I, its salts and its stereoisomers, wherein X, R1, R2, R3, R4, R6, R7, R8, R9, R11, R12, R13 and R14 are as described in the specification. The invention also provides a method to prepare the compound of formula I, pharmaceutical composition containing such compounds, and method to manufacture a medicament. These compounds are useful in the treatment of various CNS disorders, hematological disorders, eating disorders, diseases associated with pain, respiratory diseases, genito-urological disorders, cardio vascular diseases and cancer.

Abstract: The present invention relates to novel tetracyclic arylcarbonyl indoles, their derivatives, their analogues, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates, novel intermediates described herein and pharmaceutically acceptable compositions containing them. This invention particularly relates to novel tetracyclic arylcarbonyl indoles of the general formula (I), their derivatives, their analogues, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates, novel intermediates described herein and pharmaceutically acceptable compositions containing them.

Abstract: The present invention relates to novel tetracyclic arylalkyl indoles, their derivatives, their analogues, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates, novel intermediates described herein and pharmaceutically acceptable compositions containing them. This invention particularly relates to novel tetracyclic arylalkyl of the general formula (I), their derivatives, their analogues, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates, novel intermediates described herein and pharmaceutically acceptable compositions containing them. This invention also relates to process/es for preparing such compound/s of general formula (I), composition/s containing effective amount/s of such a compound and the use of such a compound/composition in therapy.

Abstract: The present invention relates to novel tetracyclic arylcarbonyl indoles, their derivatives, their analogues, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates, novel intermediates described herein and pharmaceutically acceptable compositions containing them. This invention particularly relates to novel tetracyclic arylcarbonyl indoles of the general formula (I), their derivatives, their analogues, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates, novel intermediates described herein and pharmaceutically acceptable compositions containing them.

Abstract: The present invention relates to novel tetracyclic arylsulfonyl indoles, their derivatives, their analogues, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates, novel intermediates described herein and pharmaceutically acceptable compositions containing them. This invention particularly relates to novel tetracyclic arylsulfonyl indoles of the general formula (I), their derivatives, their analogues, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates, novel intermediates described herein and pharmaceutically acceptable compositions containing them. This invention also relates to process/es for preparing such compound/s of general formula (I), composition/s containing effective amount/s of such a compound and the use of such a compound/composition in therapy.