Abstract: The invention relates to a cost effective and industrially advantageous process for the selective methylation of a hydroxy group at the 6 position of erythromycin A derivative which comprised methylating the erythromycin A derivative with a methylating agent in a mixture of toluene and a ploar aprotic solvent.

Abstract: The present invention relates to a cost effective and industrially advantageous process for the preparation of repaglinide.

Abstract: The present invention relates to isoxazoline derivatives, which can be used as selective inhibitors of phosphodiesterase (PDE) type IV. In particular, compounds disclosed herein can be useful in the treatment of AIDS, asthma, arthritis, bronchitis, chronic obstructive pulmonary disease (COPD), psoriasis, allergic rhinitis, shock, atopic dermatitis, Crohn's disease, adult respiratory distress syndrome (ARDS), eosinophilic granuloma, allergic conjunctivitis, osteoarthritis, ulcerative colitis and other inflammatory diseases in a patient, particularly in humans. The present invention also relates to processes for the preparation of disclosed compounds, as well as pharmaceutical compositions thereof, and their use as phosphodiesterase (PDE) type IV inhibitors.

Abstract: The present invention relates to an industrially advantageous process for the preparation of beta-ionylidencacetaldehyde of structural Formula I, which is a key intermediate for the synthesis of vitamin A and related compounds such as tretinoin and isotretinoin.

Abstract: Methods for producing azole compounds useful as intermediates for antifungal compounds and compositions including reaction of epoxy alcohols with reactants having active hydrogen attached to nitrogen, oxygen or sulfur in the presence of redox coupling agents. In some embodiments, a procedure known as a Mitsunobu reaction is utilized for the transformations.

Abstract: The present invention relates to the derivatives of specially substituted azole compounds which have improved anti-fungal activity as compared with presently available agents in this class and the processes for the preparation thereof. This invention also relates to pharmaceutical preparations containing the compounds of the present invention and their use in treating and/or preventing the fungal infections in mammals, preferably humans.

Abstract: The present invention relates to substituted pyrrole derivatives, which can be used as 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase inhibitors. Compounds disclosed herein can function as cholesterol lowering agents and can be used for the treatment of cholesterol-related diseases and related symptoms. Processes for the preparation of disclosed compounds are provided, as well as, pharmaceutical compositions containing the disclosed compounds, and methods of treating cholesterol-related diseases and related symptoms.

Abstract: The present invention relates to a new and industrially advantageous process for the preparation of 3-ethoxy-4-ethoxy-carbonyl-phenyl acetic acid. This compound is a key intermediate for the synthesis of Repaglinide, an oral hypoglycemic agent.

Abstract: The invention relates to particular hydroxyl and protected hydroxyl derivatives of compounds known to be useful as HMG CoA-reductase inhibitors.

Abstract: The present invention relates to a cost effective and industrially advantageous process for the selective methylation of a hydroxy group at the 6 position of erythromycin A derivatives.

Abstract: The present invention relates to a process for the preparation of 13-cis isomer of Vitamin A acid, commonly known as isotretinoin, in a single step.

Abstract: The laevo and dextro forms of dl-3,4-trans-2,2-disubstituted-3,4-diarylchromans and similar derivatives thereof have substantially double the post-coital anti-fertility activity of the known racemic compound. The resolution of such known compound into the l- and d-isomeric forms may be carried out using di-p-toluoyl-l-tartaric acid monohydrate or di-p-toluoyl-d-tartaric acid.