Preparation of substituted guanidine derivatives

US6147258A · kind A · utility

Assignee

• BASF SE

Inventors

• Thomas Greindl · Bad Dürkheim, DE
• Günter Scherr · Ludwigshafen, DE
• Rolf Schneider · Burgstetten, DE
• Klaus Mundinger · Schifferstadt, DE

Key dates

• Filing date: Oct 22, 1998
• Grant date: Nov 14, 2000
• Expiry date: Oct 22, 2018

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C277/08
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Substituted guanidine derivatives of the formula I ##STR1## are prepared by reacting calcium cyanamide with a primary or secondary amino carboxylic acid or a primary or secondary amino sulfonic acid or their derivatives of the formula II ##STR2## where the substituents R.sup.1 and R.sup.2 have the meanings explained in the description.