Production of 2-substituted 4-methyl-tetrahydropyrans from starting materials containing 2-alkyl-4,4-dimethyl-1,3-dioxanes

US9994540B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Stefan Rüdenauer · Weinheim, DE
• Timon Stork · Kuantan, MY

Key dates

• Filing date: Apr 8, 2015
• Grant date: Jun 12, 2018
• Expiry date: Apr 8, 2035

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D309/04
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to a method for producing 2-substituted 4-methyl-tetrahydropyrans of general formula (I) from starting materials containing at least one 2-substituted 4,4-dimethyl-1,3-dioxane of general formula (II).