<p>The present invention provides a improved process for preparing Etoricoxib using substituted ß-chlorovinaniidinium salts containing a cyclic group, optionally containing a heteroatom. The present invention also provides a process for the preparation of the intermediate ß-chlorovinamidinium salts. In one of the embodiments is provided a process for the purification of Etoricoxib as well as the intermediates.</p>
