Council of Scientific and Industrial Research

Jayasree Seayad

Raghunath Vitthal Chaudhari

Abdul Seayad

Bibhas Ranjan Sarkar

Seayad A Majeed

A Seayad

The present invention provides an improved process for the preparation of 2-aryl propionic acid which by subjecting an aryl compound selected from an aryl alcohol or aryl halide or an aryl olefin to carbonylation in the presence of a halide source, a protonic acid, water and a heterogeneous metal and a phosphine ligand as a catalyst in an organic solvent.

Process for the preparation of 2-aryl propionic acids

Process for the preparation of a saturated carboxylic acid

Water soluble palladium complexes and process for the preparation thereof

Process for the preparation of a carboxylic acid

The present invention discloses this invention relates to a process for the conversion of olefinically unsaturated compounds to corresponding carboxylic acids and their esters of formula III

Process for the preparation of saturated carboxylic acids and their esters

The present invention relates to an process for the preparation of ibuprofen, which comprises reacting para isobutyl phenylethanol (p-IBPE), a halide source, a protonic acid, water and the catalyst which is a compound having formula 1 which is shown herebelow: ##STR1## Wherein M = a group VIII metal specifically palladium or platinum,

Process for the preparation of ibuprofen

The present invention relates to novel group VIII transition metal complexes represented by the formula (I) as: ##STR1## wherein M is the central transition metal; represents a semilabile anionic chelating ligand; R.sub.1, R.sub.2 & R.sub.3 are substituents on the phosphine ligand, X is chosen from sulphonato, carboxylato, formato group or halides and 1&lt;n&lt;10. The invention also provides a process for the preparation of said transition metal complex.

Growing community of inventors

Pune, India

Jayasree Seayad