Method of preparing amionoakylhydantoins and aminoalkyl-alpha-amino acids

US5608076A · kind A · utility

Assignee

• Degussa AG · DE

Inventors

• Matthias Kottenhahn · Alzenau, DE
• Karlheinz Drauz · Alzenau, DE
• Andreas Bommarius · Frankfurt, DE

Key dates

• Filing date: May 23, 1995
• Grant date: Mar 4, 1997
• Expiry date: May 23, 2015

Classification

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

Abstract

The invention relates to a method of preparing 5-(aminoalkyl)-hydantoins with basic side chain in which the protection of the amino function in the side chain is necessary during the formation of the hydantoin requires minimal expense.