Process for the preparation of alkylpyridines The present invention provides a process for the preparation of alkylpyridines by reacting pyridine with an alkylating agent in the presence of a heterogenous catalyst. The process of the present invention has high selectivity and conversion rate and uses less amount o...

ABSTRACT Process for the preparation of Clopyralid The present invention provides an improved, cost effective and eco-friendly process for large scale industrial production of 3,6-dichloro-2-pyridinecarboxylic acid (clopyralid) with high yield and purity. The said process uses one or more zinc based catalyst. ...