3-(4-piperidinyl)-2,3,4,5-tetrahydro-1,3-benzodiazepin-2(1H)-one

US7141667B2 · kind B2 · utility

Assignee

• Boehringer Ingelheim International GmbH · DE

Inventors

• Juergen Schnaubelt · Biberach, DE
• Werner Rall · Mittelbiberach, DE
• Rainer Soyka · Biberach, DE
• Norbert Birk · Ochsenhausen, DE
• Ludwig Gutschera · Ulm, DE
• Heidelore Heimroth · Bad Waldsee, DE
• Thomas Krueger · Leutkirch im Allgäu, DE
• Armin Proell · Maselheim, DE

Key dates

• Filing date: Jul 19, 2005
• Grant date: Nov 28, 2006
• Expiry date: Jul 19, 2025

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P20/55
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for preparing the compound 3-(4-piperidinyl)-2,3,4,5-tetrahydro-1,3-benzodiazepin-2(1H)-one of formulawhich is to be found as a structural element in CGRP-antagonists, which are particularly suitable for the oral treatment of migraine.