Patent Number: 6,310,178

Title: Ureins derived from .alpha., .omega.-diamino acids and process for their preparation

Abstract: Ureins are obtained by reaction, in basic medium, between an N.sup..omega. -(aryloxycarbonyl)diamino acid and a compound containing a free amino group. The chirality of the compounds is outstandingly well preserved.

Inventors: Callens; Roland (Drongen, BE), Blondeel; Georges (Aalst, BE), Anteunis; Marc (Mariakerke, BE), Becu; Frank (Jabbeke, BE)

Assignee: Solvay, S.A.

International Classification: C07C 323/00 (20060101); C07C 323/52 (20060101); C07C 273/00 (20060101); C07C 273/18 (20060101); C07D 209/00 (20060101); C07D 209/20 (20060101); C07D 243/00 (20060101); C07D 243/04 (20060101); C07K 5/097 (20060101); C07K 5/00 (20060101); C07C 275/00 (20060101); C07C 275/16 (20060101); C07K 005/06 (); C07D 233/30 (); C07D 239/02 (); C07D 243/10 (); C07D 403/12 ()

Expiration Date: 10/30/2018