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US 2013/0296579 A1Published application
PROCESS FOR PREPARATION OF gamma-VALEROLACTONE VIA CATALYTIC HYDROGENATION OF LEVULINIC ACID
AssigneeCouncil of Scientific and Industrial Research
InventorsChandrashekhar Vasant Rode, Amol Mahalingappa Hengne
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Abstract
An industrially viable process for selective preparation of γ-valerolactone using recyclable non noble metal catalyst is provided. This process provides 80-100% conversion to γ-valerolactone, with selectivity in the range of 80-100%.
Claims7
A process for preparation of compound of formula I
- comprising of selectively hydrogenating the compound of formula II
- followed by subsequent cyclisation in presence of a non-noble metal bi-functional catalyst in a solvent at a temperature in the range of 453 to 653 K at pressure in the range of 435 to 580 psi, having selectivity of compound of formula I in the range of 40 to 100% and conversion of compound of formula II to compound of formula I in the range of 9 to 100%.
Dependencies are inferred from the claim text.