Process for the preparation of 2-cyanophenylboronic acid and esters thereof
US9000205B2 · kind B2 · utility
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21Claims
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Key dates
| Filing date | Jul 24, 2013 |
| Grant date | Apr 7, 2015 |
| Priority date | — |
| Expiry date | Jul 24, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F7/025
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for the synthesis of 2-cyanophenylboronic acid and the esters and salts thereof of formula (II), which are intermediates of the synthesis of active pharmaceutical ingredients such as Perampanel or E2040. formula (II): (II).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.