Preparation for the production of 1,2,4-triazolylmethyl-oxiranes

US7368464B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Rainer Noack · Bietigheim, DE
• Michael Sander · Blankenloch, DE
• Michael Henningsen · Bischofswerda, DE

Key dates

• Filing date: Jun 6, 2003
• Grant date: May 6, 2008
• Expiry date: Dec 5, 2024

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D233/56
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for the preparation of 1,2,4-triazol-1-ylmethyloxiranes of the formula Iin which A and B are identical or different and, independently of one another, are C1-C4-alkyl, phenyl-C1-C2-alkyl, C3-C6-cycloalkyl, C3-C6-cycloalkenyl, tetrahydropyranyl, tetrahydrofuranyl, dioxanyl or phenyl, where the phenyl radical can carry one to three substituents chosen from the group: halogen, nitro, C1-C4-alkyl, Cl-C4-alkyloxy, phenoxy, amino, C1-C2-haloalkyl or phenylsulfonyl, which comprises reacting