2-Amino-1,3-thiazines their use and preparation

US4049807A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Wilfried Paulus · Krefeld, DE
• Hans Scheinpflug · Leverkusen, DE
• Hermann Genth

Key dates

• Filing date: May 28, 1975
• Grant date: Sep 20, 1977
• Expiry date: May 28, 1995

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P31/00
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

2-AMINO-1,3-THIAZINES HAVING THE FORMULA ##STR1## wherein R.sup.1 is optionally substituted carbocyclic or heterocyclic aromatic and PA1 R.sup.2 is hydrogen, alkyl, alkenyl or optionally substituted substituted carbocyclic aromatic. The 2-amino-1,3-thiazines are useful for combatting fungi and bacteria, for example, in plant protection for combatting archimycetes, phycomycetes and the like, are prepared by reacting beta-halogeno-ethyl-ketone having the formula EQU R.sup.1 --CO--CH.sub.2 --CH.sub.2 --Hal wherein PA1 Hal is halogen and PA1 R.sup.1 is as defined above, with thiourea of the general formula ##STR2## wherein R.sup.2 is as defined above.