摘要:
The present invention provides a process for the preparation of an N-protected (5S)-5-(1,3-thiazolidin-3-ylcarbonyl)pyrrolidin-3-one of Formula III. The invention also provides a process for the preparation of {(2S,4S)-4-[4-(3-methyl-1-phenyl-1H-pyrazol-5- yl)piperazin-1-yl]pyrrolidin-2-yl}(1,3-thiazolidin-3-yl)methanone, or salts thereof, using the N-protected (5S)-5-(1,3-thiazolidin-3-ylcarbonyl)pyrrolidin-3-one of Formula III.
摘要:
The present invention provides a process for the preparation of rivaroxaban in a process that includes cyclizing a compound of Formula (II) with a dialkyl carbonate in the presence of a base.
摘要:
The present invention relates to extended-release pharmaceutical dosage forms of carbidopa and levodopa comprising: a first component comprising a first portion of carbidopa and levodopa; a second component comprising a second portion of carbidopa and levodopa; and a third component comprising a third portion of carbidopa, levodopa, and carboxylic acid. The present invention also relates to processes for the preparation of said extended-release pharmaceutical dosage forms. The present invention further relates to a method of treating Parkinson's disease by administering said extended-release pharmaceutical dosage forms.
摘要:
The present invention provides a novel process for the preparation of 10-oxo-10,11-dihydro-5H-dibenzo[b,f]azepine-5-carboxamide, commonly known as oxcarbazepine, which is a medicament and a useful intermediate in the preparation of eslicarbazepine acetate. The present invention further provides a process for the preparation and purification of eslicarbazepine acetate.
摘要:
The present invention relates to an extended release composition comprising milnacipran or its pharmaceutically acceptable salts for oral administration, and process for their preparation.
摘要:
The present invention relates to a single dose dry powder inhaler device with improved lung deposition, the inhaler device comprising: - a sliding mouthpiece; - a capsule chamber; - blades which are inserted into slots in the capsule chamber; - an outer body covering the capsule chamber, and; - a lower cover with an air inlet hole; wherein the capsule chamber has a recess for the insertion of a capsule, and said capsule gets dissected by the blades along its entire length.
摘要:
The present invention provides an improved process for the preparation of candesartan and pharmaceutically acceptable salts and esters thereof for use in the treatment of hypertension and related diseases. Specifically, it refers to the deprotection of tetrazolyl -protecting group of candesartan or its derivative in the presence of iodine in one or more alcoholic solvents.
摘要:
The present invention provides DNA Gyrase and/or Topo IV inhibitors of formula I, which can be used as antibacterial agents. Compounds disclosed herein can be used for treating or preventing conditions caused by or contributed by gram positive, gram negative and anaerobic bacteria, more particularly against, for example, Staphylococci, Streptococci, Enterococci, Haemophilus, Pseudomonus spp., Acenetobacter spp., M?raxalla spp., Chlamydia spp., Mycoplasma spp., Legionella spp., Mycobacterium spp., Helicobacter, Clostridium spp., Bacteroides spp., Cot?ne bacterium, Bacillus spp., Enterobactericeae (E.coli, Klebsiella spp., Proteus spp.,etc. ) or any combination thereof Also provided, are processes for preparing compounds disclosed herein, pharmaceutical compositions containing compounds disclosed herein, and methods of treating bacterial infections.