Back to results
US 6,642,035 B2Granted
Synthesis of B-keto esters
AssigneeThe Scripps Research Institute
InventorsKim D. Janda, Armando Cordova
Life of this patent
Estimating the term…
Abstract
β-keto esters are prepared by way of a lipase-catalyzed transesterification. The synthetic methodology provides a simple scheme for the synthesis of optically active β-keto esters that are useful building blocks and starting materials for natural product synthesis. Moreover, the methodology employs mild, solvent-free conditions. The methodology may also be employed for resolving racemic alcohols.
Claims6
A process for synthesizing a chiral β-keto ester product, the process comprising the following steps:
- Step A:
- admixing an acyl donor β-keto ester and a racemic alcohol with a catalytic concentration of a lipase under catalytic contitions;
- and then
- Step B:
- catalyzing transesterification of the acyl donor β-keto ester with the racemic alcohol by means of the lipase to produce the chiral β-keto ester product.
2 more elements
Dependencies are inferred from the claim text.