Patents by Inventor Steffen Emmert

Steffen Emmert has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for the preparation of (3-cyano-1h-indol-7-yl) (4-(4-fluorophenethyl) piperazin-1-yl)-methanone and salts thereof
    Patent number: 7312342
    Abstract: The present invention relates to a process for the preparation of (3-cyano-1H-indol-7-yl)[4-(4-fluorophenethyl)piperazin-1-yl]-methanone and salts thereof, characterised in that an indole ester of the formula II in which R is as defined in Claim 1, is converter into 3-cyano-1H-indole-7-carboxylic acid via steps (1) to (4) according to Claim 1, and this is reacted with 1-[2-(4-fluorophenyl)ethyl]piperazine of salts thereof to give the product.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: December 25, 2007
    Assignee: Merck Patent Gesellschaft Mit Beschrankter Haftung
    Inventors: Helene Crassier, Uwe Eckert, Henning Boettcher, Andreas Bathe, Steffen Emmert
  • Method for producing 5-(1-piperazinyl)-benzofuran-2-carboxamide by transition metal-catalyzed amination
    Patent number: 6762300
    Abstract: Process for the preparation of 5-(1-piperazinyl)benzofuran-2-carboxamide in which, as intermediate step, 5-bromosalicylaldehyde or one of its derivatives is reacted in a transition metal-catalysed amination with R2-piperazine, in which R2 is as defined in claim 1.
    Type: Grant
    Filed: October 10, 2002
    Date of Patent: July 13, 2004
    Assignee: Merck Patent GmbH
    Inventors: Andreas Bathe, Steffen Emmert, Bernd Helfert, Henning Boettcher
  • Process for the preparation of (3-cyano-1h-indol-7-yl) (4-(4-fluorophenethyl) piperazin-1-yl)- methanone and salts thereof
    Publication number: 20040063723
    Abstract: The present invention relates to a process for the preparation of(3-cyano-1H-indol-7-yl)[4-(4-fluorophenethyl)piperazin-1-yl]-methanone and salts thereof, characterised in that an indole ester of the formula II in which R is as defined in Claim 1, is converter into 3-cyano-1H-indole-7-carboxylic acid via steps (1) to (4) according to Claim 1, and this is reacted with 1-[2-(4-fluorophenyl)ethyl]piperazine of salts thereof to give the product.
    Type: Application
    Filed: July 23, 2003
    Publication date: April 1, 2004
    Inventors: Helene Crassier, Uwe Eckert, Henning Bottcher, Andreas Bathe, Steffen Emmert
  • Method for producing 5-(1-piperazinyl) -benzofuran-2-carboxamide by transition metal-catalyzed amination
    Publication number: 20030125558
    Abstract: 1. Process for the preparation of 5-(1-piperazinyl)benzofuran-2-carboxamide in which, as intermediate step, 5-bromosalicylaldehyde or one of its derivatives is reacted in a transition metal-catalysed amination with R2-piperazine, in which R2 is as defined in claim 1.
    Type: Application
    Filed: October 10, 2002
    Publication date: July 3, 2003
    Inventors: Andreas Bathe, Steffen Emmert, Bernd Helfert, Henning Boettcher