Process for preparation of lactone derivatives and intermediates thereof
US10611739B2 · kind B2 · utility
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3Claims
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Key dates
| Filing date | Aug 16, 2016 |
| Grant date | Apr 7, 2020 |
| Priority date | — |
| Expiry date | Aug 16, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A novel process for the preparation of lactone derivatives, and intermediates thereof is described. The lactone derivatives are important precursors for the synthesis of anti-hepatitis C virus agents, including sofosbuvir.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.