Method of preparing nitrogen macrocycles
US7312327B2 · kind B2 · utility
1Cited by
1References
3Claims
0Family size
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Key dates
| Filing date | Sep 27, 2002 |
| Grant date | Dec 25, 2007 |
| Priority date | — |
| Expiry date | Aug 2, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D257/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a method of preparing nitrogen macrocycles having formula (I). The inventive method comprises a step involving the reaction of compounds (II) and (III) in order to form a compound having formula (IV). Said compound is subsequently made to react with a compound having formula (V) in order to form a compound having formula (VI). The latter compound is then subjected to an acid treatment
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.