Single-pot synthesis of dialkyl carbonates using catalyst from natural resource

US9611210B2 · kind B2 · utility

Assignee

• Indian Oil Corporation Limited · IN

Inventors

• Krishnarao Lopinti · Faridabad, IN
• Meeta Sharma · Faridabad, IN
• Ashok Kumar Tiwari · Faridabad, IN
• Ajay Kumar Arora · Faridabad, IN
• Suresh Kumar Puri · Faridabad, IN
• Anurag Gupta · Clifton Park, US

Key dates

• Filing date: Jan 12, 2015
• Grant date: Apr 4, 2017
• Expiry date: Jan 12, 2035

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C2601/14
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a single-pot method for preparing dialkyl carbonates, the method comprises reaction of alkylene oxide with aliphatic or cyclic aliphatic alcohol, using wood ash catalyst, under CO2 pressure and heating the reaction mixture thereof to obtain dialkyl carbonates.