Method for preparation of justicidin a derivatives of arylnaphthalene lignan structure
US9650355B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Jan 28, 2014 |
| Grant date | May 16, 2017 |
| Priority date | — |
| Expiry date | Jan 28, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D493/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present disclosure relates to a novel method for preparing an arylnaphthalene lignan compound. In synthesis of arylnaphthalene lignan compounds and derivatives according to the present disclosure, a naphthalene backbone may be constructed first and an aryl group may be introduced at the final stage. Through this, various kinds of derivatives that could not be prepared from the existing methods can be synthesized effectively. Further, the synthesis method according to the present disclosure is appropriate for large-scale production.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.