Process for synthesis of a porphyrin compound using a molecular sieve catalyst under microwave irradiation
US6524446B2 · kind B2 · utility
3Cited by
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10Claims
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Key dates
| Filing date | Mar 27, 2001 |
| Grant date | Feb 25, 2003 |
| Priority date | — |
| Expiry date | Mar 27, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/22
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides an improved process for synthesis of porphyrin compounds of the general formula 1 from pyrrole and aromatic aldehyde over zeolite molecular sieve catalysts using microwave heating, (solvent free) to provide an eco-friendly, economical, faster and selective heterogeneous method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.