Process for the production of tetraaminobiphenol macrocyclic ligands; and novel tetraaminobiphenol macrocyclic ligands
US11014894B2 · kind B2 · utility
2Cited by
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26Claims
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Key dates
| Filing date | Mar 2, 2018 |
| Grant date | May 25, 2021 |
| Priority date | — |
| Expiry date | Mar 2, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing a tetra-substituted aminobiphenol macrocyclic ligand having the structure (I), comprising the step of treating a precursor compound having the structure (II) with a compound having the structure R6-L where L represents a leaving group (hereinafter compound (III)) in the presence of a base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.