ARCH PHARMALABS LIMITED Patent applications |
Patent application number | Title | Published |
20130053579 | PROCESS FOR THE PREPARATION OF N-METHYL-O-ARYLOXY PROPANAMINE DERIVATIVES AND PHARMACEUTICALLY ACCEPTABLE SALT THEREOF - A process for the preparation on N-methyl-aryloxy-propanamine derivatives of the formula I and salts thereof. The invention also relates to the preparation and use novel intermediate of the formula XII. The invention also relates to the process of further conversion of novel intermediate into N-methyl-aryloxy propanamine derivatives and salts thereof. | 02-28-2013 |
20120289744 | PROCESS FOR PREPARING OPTICALLY PURE MILNACIPRAN AND ITS PHARMACEUTICALLY ACCEPTABLE SALTS - The present invention relates to an improved and commercially, viable process for the resolution of racemic cis milnacipran of formula I and its pharmaceutically acceptable salts of formula II. The present invention comprises using racemic cis milnacipran or its pharmaceutically acceptable salts as starting material, a low cost and commercially available resolving agent of formula III and industrially safe and economically low cost material such as water as a solvent. The said process results into optical isomers of racemic cis milnacipran having excellent optical purity without involving multiple crystallization steps. The present invention also comprises the concept of green chemistry as the invention works well with water as a solvent thereby minimizing the use of any other solvent. (Formular I and II should be inserted here) Wherein X is anion selected from Cl, Br, I, HSO | 11-15-2012 |
20120142931 | Purification of montelukast using simulated moving bed - This invention concerns generally with a process for purifying crude pharmaceutical compositions, wherein the crude pharmaceutical composition comprises a sodium salt of Montelukast | 06-07-2012 |
20110306763 | PROCESS FOR THE PREPARATION OF IMATINIB AND SALTS THEREOF - Disclosed herein is a process for preparation of imatinib free base which comprises condensing 4-Methyl-N-(4-pyridin-3-yl-pyrimidin-2-yl)-benzene-1,3-diamine with 4-(4-Methyl-piperazin-1-ylmethyl)-benzoic acid ester in the presence of base including organic bases and inorganic bases in an organic solvent to form imatinib. | 12-15-2011 |