Process for the preparation of indanamine derivatives and new synthesis intermediates
US10059653B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Jan 19, 2016 |
| Grant date | Aug 28, 2018 |
| Priority date | — |
| Expiry date | Jan 19, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2602/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Subject-matter of the invention is a process for the preparation of a key intermediate in the synthesis of indacaterol. Subject-matter of the invention are also new synthesis intermediates. Formula (I):
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.