The present invention generally relates to chemical process. In particular it pertains to a novel and improved process for preparation of Formoterol and its hydrates, salts and enantiomers.

The present invention discloses a process for the preparation of 16, 17-acetals of pregnane derivatives having formula (I) wherein each substituent is independently selected from; R1 is H or CH3; R2 is C1-C6 linear or branched alkyl, alkynyl group or cycloalkyl group; aryl or heteroaryl group; or R1 and R2 combine t...

The present invention discloses an improved process for the preparation of steroidal 17ß-carboxylic thioate of Formula I, FORMULA I wherein R1 represents a fluoro- or chloro- or bromo- methyl group or a 2'-fluoroethyl group; R2 represents a group COR6 where R6 is a C1-3 alkyl group; R3 represents a hydrogen atom, a me...

This invention relates to a novel process for the synthesis of prednisolone compounds. More particularly it is related to a novel process for the synthesis of Isoflupredone acetate.

The present invention provides a single pot process for the synthesis of 19-Norethisterone of Formula (I), comprising contacting 19-Norandostene-3,17-dione of Formula–II with a first base, an organic gas/solution and an acid to obtain 19- Norethisterone of Formula-I; and purifying the 19- Norethisterone of Formula...