Patent Number: 6,166,207

Title: Preparation of bicyclic amidines and diazacycloalkenes

Abstract: In a process for preparing a bicyclic amidine by reacting a lactone and a diamine with elimination of water, water formed by elimination is removed from the reaction mixture during the reaction. A diazabicycloalkene, a process for its preparation and its use are also described.

Inventors: Friedrich; Wolfgang (Speyer, DE), Kneuper; Heinz-Josef (Mannheim, DE), Eller; Karsten (Ludwigshafen, DE), Witzel; Tom (Ludwigshafen, DE)

Assignee: BASF Aktiengesellschaft

International Classification: C07D 239/00 (20060101); C07D 239/06 (20060101); C07D 239/00 ()

Expiration Date: 12/26/2013