Process for the preparation of a boron-substituted porphyrin
US8680265B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Dec 13, 2005 |
| Grant date | Mar 25, 2014 |
| Priority date | — |
| Expiry date | May 20, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/22
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Processes are disclosed for the preparation of a compound having the formula: (I) and intermediate compounds wherein M is a single-photon-emission tomography imageable radiometal and/or a paramagnetic metal, R is hydrogen or a halogen provided that at least one R is halogen and Y is selected from ortho, meta or para O(CH2)nC2HB9H10 or O(CH2)nC2HB10H10 wherein n is 0 or an integer from 1 to 20 and O(CH2)nC2HB9H10 is nido ortho-, meta- or para-carborane and O(CH2)nC2HB10H10 is ortho-, meta- or para-carborane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.