Catalysts and related processes for producing optically pure beta-lactones from aldehydes and compositions produced thereby

US9334266B2 · kind B2 · utility

Assignee

• The University of Toledo · US

Inventor

• Yun Lin · Shanghai, CN

Key dates

• Filing date: Jun 7, 2010
• Grant date: May 10, 2016
• Expiry date: Jun 13, 2033

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J2531/845
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Bi-functional cobalt-containing catalysts useful for making stereo specific compounds and compositions, along with methods of making, and uses thereof in the syntheses of optically pure β-lactones from aldehydes and ketene are described. Precursors, intermediates, compositions, and particular features of the use if the compositions, such as high enantiomeric selectivity, high yield and low mole percent of catalyst useful are provided.