The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 09, 2008
Filed:
May. 16, 2002
Mátyás Aradi, Budapest, HU;
Ferenc Bakos, Budapest, HU;
Zsolt Dombrády, Budapest, HU;
Antal Gajáry, Budapest, HU;
István Gyöngyösi, Budapest, HU;
Ferenc Kovács, Budapest, HU;
Andrea Major, Budapest, HU;
Erika Máténé Török, Nagytarcsa, HU;
Zsolt Párkányi, Budapest, HU;
László Schultz, Budapest, HU;
Attila Supic, Budapest, HU;
Sándor Szabó, Budapest, HU;
Erzsébet Szalay, Budapest, HU;
József Ugrics, Budapest, HU;
József Zsiga, Dunakeszi, HU;
Mátyás Aradi, Budapest, HU;
Ferenc Bakos, Budapest, HU;
Zsolt Dombrády, Budapest, HU;
Antal Gajáry, Budapest, HU;
István Gyöngyösi, Budapest, HU;
Ferenc Kovács, Budapest, HU;
Andrea Major, Budapest, HU;
Erika Máténé Török, Nagytarcsa, HU;
Zsolt Párkányi, Budapest, HU;
László Schultz, Budapest, HU;
Attila Supic, Budapest, HU;
Sándor Szabó, Budapest, HU;
Erzsébet Szalay, Budapest, HU;
József Ugrics, Budapest, HU;
József Zsiga, Dunakeszi, HU;
Sanofi-Aventis, Paris, FR;
Abstract
The process according to the invention relates to the preparation of 2-chloromethyl-thiophene of the formula (I). During this process thiophene is chloromethylated in the presence of one or more compounds containing keto group and optionally it is transformed into the compound of the formula (II). Compounds of formula (I) and (II) are intermediates of several pharmaceutically active ingredients.