Protecting phenol groups
US9604893B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | May 12, 2014 |
| Grant date | Mar 28, 2017 |
| Priority date | — |
| Expiry date | May 12, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F210/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method for protecting a phenol group on a precursor compound is provided. The method includes reacting the phenol group with dihydropyran in an acid catalyzed protection reaction and quenching the protection reaction with a strong base within less than about 60 seconds to form a protected precursor compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.