Processes of preparing glycolurils and cucurbiturils using microwave
US8293922B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Apr 26, 2005 |
| Grant date | Oct 23, 2012 |
| Priority date | — |
| Expiry date | Dec 8, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/22
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Provided are processes of preparing glycolurils and cucurbiturils using the glycolurils by microwave irradiation. Therefore, condensation and cyclization reactions for preparation of industrially widely applied cucurbituril derivatives, oxidation reaction for preparation of hydroxycucurbiturils, and condensation and cyclization reactions between glycolurils and paraformaldehyde or a formaldehyde solution can be efficiently performed in a short time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.