Abstract: The present invention provides an improved process for the preparation of 3-(4-chlorophenyl)-3-cyanopropanoic acid (compound (A)) and further its transformation to Baclofen (I). The process comprises reaction of compound (II) with Glyoxylic acid to obtain 3-(4-chlorophenyl)-3-cyanoacrylic acid (III); followed by the ‘in-situ’ reduction of (III) in the presence of a reducing agent to provide the compound (A). Alternatively, the compound (A) is obtained by the process comprising reacting 2-(4-chlorophenyl)acetonitrile (II) with haloacetic acid (IV) in the presence of a base. The compound 3-(4-chlorophenyl)-3-cyanopropanoic acid (A) undergoes hydrogenation in the presence of a metal catalyst and ammonia solution to provide Baclofen (I).

Abstract: The present invention provides an improved process for the preparation of N-protected ((3S,4R)-4-(4-fluorophenyl)piperidin-3-yl)methanol (compound (A)) and further its transformation to Paroxetine and its pharmaceutically acceptable salts. The process comprises reaction of compound (II) with amido-malonate compound (C) in the presence of a chiral catalyst and optionally a dehydrating agent to obtain compound (B); followed by reduction of (B) in the presence of a reducing agent to provide compound (A).

Abstract: The present invention relates to processes for preparing the compounds of general formula I, wherein the groups R1 and R3 are defined according to claim 1. Furthermore this inventions relates to intermediates obtained in these processes.

Abstract: The present invention provides an improved process for the preparation of 3-(4-chlorophenyl)-3-cyanopropanoic acid (compound (A)) and further its transformation to Baclofen (I). The process comprises reaction of compound (II) with Glyoxylic acid to obtain 3-(4-chlorophenyl)-3-cyanoacrylic acid (III); followed by the ‘in-situ’ reduction of (III) in the presence of a reducing agent to provide the compound (A). Alternatively, the compound (A) is obtained by the process comprising reacting 2-(4-chlorophenyl)acetonitrile (II) with haloacetic acid (IV) in the presence of a base. The compound 3-(4-chlorophenyl)-3-cyanopropanoic acid (A) undergoes hydrogenation in the presence of a metal catalyst and ammonia solution to provide Baclofen (I).

Abstract: The present invention relates to processes for preparing the compounds of general formula I, wherein the groups R1 and R3 are defined according to claim 1. Furthermore this inventions relates to intermediates obtained in these processes.

Abstract: The present invention relates to processes for preparing the compounds of general formula I, wherein the groups R1 and R3 are defined according to claim 1. Furthermore this inventions relates to intermediates obtained in these processes.

Abstract: The invention relates to improved methods of preparing dihydrothienopyrimidines of formula 1, and intermediates thereof, (I) wherein X is SO or SO2, preferably SO, and wherein RA, R1, R2, R3, R4 and R5 have the meanings given in the description. The methods according to this invention are more suitable for large-scale synthesis of said compounds than prior methods because the new synthetic process avoids distillation and chromatographic purification between steps and results in a higher overall yield of the desired product.

Abstract: The present invention relates to an improved process for the preparation of dihydrothieno[3,2-d]pyrimidine diols, and similar pyrimidine diols, that is efficient, high-yielding, and does not require expensive and potentially unstable intermediates. The diols are used as intermediates in the synthesis of pyrimidine compounds which inhibit PDE4, and are thus useful in the treatment of respiratory or gastrointestinal diseases and complaints, peripheral or central nervous system diseases and disorders, inflammatory conditions, and cancers.

Abstract: The present invention is related to a process of preparing substituted 2-amino-5-(5-(heterocyclemethyl)pyridin-2-yloxy)benzoic acid compound of formula (I) or a salt thereof,

Abstract: The present invention relates to a process for the manufacturing of substituted 3-amino-tetrahydrofuran-3-carboxylic acid amides of general formula (I) and their precursors in high optical purity to the precursors of the synthesis of substituted S-Amino-tetrahydrofuran-5-carboxylic acid amides of general formula (I) in high optical purity, and to the tautomers, enantiomers, diastereomers, mixtures and salts of substituted 3-amino-tetrahydrofuran-3-carboxylic acid amides of general formula (I) in high optical purity, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases, which have valuable properties.

Abstract: Provided is a process for preparing a choline salt of [4,6-bis(dimethylamino)-2-(4-{[4-(trifluoromethyl)benzoyl]amino}benzyl)pyrimidin-5-yl]acetic acid. The process of the invention is useful for preparing the salt in purer forms of the salt. Also disclosed is a more pure form of the of choline salt of [4,6-bis(dimethylamino)-2-(4-{[4-(trifluoromethyl)benzoyl]amino}benzyl)pyrimidin-5-yl]acetic acid.

Abstract: The present invention relates to an improved process for the preparation of dihydrothieno[3,2-d]pyrimidine diols, and similar pyrimidine diols, that is efficient, high-yielding, and does not require expensive and potentially unstable intermediates. The diols are used as intermediates in the synthesis of pyrimidine compounds which inhibit PDE4, and are thus useful in the treatment of respiratory or gastrointestinal diseases and complaints, peripheral or central nervous system diseases and disorders, inflammatory conditions, and cancers.

Abstract: Disclosed are processes for making compounds containing 4- and 5-imidazolyl rings, also disclosed are the intermediates useful in the processes disclosed herein.

Abstract: The present invention relates to a process for the manufacturing of substituted 3-amino-tetrahydrofuran-3-carboxylic acid amides of general formula (I) and their precursors in high optical purity to the precursors of the synthesis of substituted S-Amino-tetrahydrofuran-S-carboxylic acid amides of general formula (I) in high optical purity, and to the tautomers, enantiomers, diastereomers, mixtures and salts of substituted 3-amino-tetrahydrofuran-3-carboxylic acid amides of general formula (I) in high optical purity, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases, which have valuable properties.

Abstract: The present invention relates to processes for preparing the compounds of general formula I, wherein the groups R1 and R3 are defined according to claim 1. Furthermore this inventions relates to intermediates obtained in these processes.

Abstract: The invention relates to improved methods of preparing dihydrothienopyrimidines of formula 1, and intermediates thereof, (I) wherein X is SO or SO2, preferably SO, and wherein RA, R1, R2, R3, R4 and R5 have the meanings given in the description. The methods according to this invention are more suitable for large-scale synthesis of said pounds than prior methods because the new synthetic process avoids distillation and chromatographic purification between steps and results in a higher overall yield of the desired product.

Abstract: The present invention relates to processes for preparing the compounds of general formula I, wherein the groups R1 and R3 are defined according to claim 1. Furthermore this inventions relates to intermediates obtained in these processes.

Abstract: Disclosed are processes for making compounds containing 4- and 5-imidazolyl rings, also disclosed are the inter-mediates useful in the processes disclosed herein.

Abstract: Disclosed is a multi-step process for preparing a compound of Formula I: wherein R1 to R3 are as defined herein. The compounds of formula I inhibit the binding of human intercellular adhesion molecules to the Leukointegrins. As a result, these compounds are useful in the treatment of inflammatory and immune cell-mediated diseases.

Abstract: Disclosed is a multi-step process for preparing a compound of Formula I: wherein R1 to R3 are as defined herein. The compounds of formula I inhibit the binding of human intercellular adhesion molecules to the Leukointegrins. As a result, these compounds are useful in the treatment of inflammatory and immune cell-mediated diseases.