Synthesis of phosphono-substituted porphyrin compounds for attachment to metal oxide surfaces
US8445695B2 · kind B2 · utility
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Key dates
| Filing date | Aug 29, 2012 |
| Grant date | May 21, 2013 |
| Priority date | — |
| Expiry date | Aug 29, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method of making a phosphono-substituted dipyrromethane comprises reacting an aldehyde or acetal having at least one phosphono group substituted thereon with pyrrole to produce a phosphono-substituted dipyrromethane; and wherein the phosphono is selected from the group consisting of dialkyl phosphono, diaryl phosphono, and dialkylaryl phosphono. Additional methods, intermediates and products are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.