Process for the preparation of melonal

US10202324B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Nicolas Vautravers · Ludwigshafen am Rhein, DE
• Joaquim Henrique Teles · Waldsee, DE
• Ralf Pelzer · Rastenberg, DE
• Daniel Schneider · Mannheim, DE
• Florian Garlichs · Neustadt, DE
• Andreas Keller · Speyer, DE
• Andrei-Nicolae Parvulescu · Ludwigshafen am Rhein, DE
• Ulrich Müller · Neustadt, DE

Key dates

• Filing date: May 4, 2016
• Grant date: Feb 12, 2019
• Expiry date: May 4, 2036

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C67/39
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for preparing 2,6-dimethyl-5-heptenal, comprising oxidizing citral of which more than 50% are present as geranial with hydrogen peroxide in the presence of a catalyst comprising a Baeyer-Villiger oxidation catalyst, preferably a tin-containing molecular sieve.