ABSTRACT: Disclosed herein is an improved process for preparation of brinzolamide in high yield and purity.

The present invention discloses an improved and cost effective process for preparation of 2-(((3aR,4S,6R,6aS)-6-amino-2,2-dimethyltetrahydro-3aH-cyclopenta[d][1,3] dioxol-4-yl)oxy) ethanol, a key intermediate useful in the preparation of Ticagrelor or its acid addition salts or stereoisomers or derivatives thereof....

The present invention discloses an improved, industrially feasible process for synthesis of nebivolol or its pharmaceutically acceptable salts via formation of 6-fluoro-2-(oxiran-2-yl) chroman as intermediate.

This invention discloses an improved synthesis of Tetradecatrienyl acetate, a component of moth attractants used in the management of Tomato pest, Serobipalpuloidesabsoluta.