Method for preparing mesaconine and related intermediaries thereof
US11465971B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Jan 23, 2019 |
| Grant date | Oct 11, 2022 |
| Priority date | — |
| Expiry date | Oct 3, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/13
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a method for preparing mesaconine and related intermediaries. Specifically, in the method for preparing mesaconine of the present invention, aconitine extracted from the Aconitum soongaricum Stapf. of aconitum plant is used as a raw material and subjected to alkalization, acetylation, N-de-ethylation, N-methylation, and hydrolysis to obtain mesaconine. The method for preparing mesaconine in the present invention is simple in operation, high in yield, environmentally friendly and pollution-free, and suitable for industrial production.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.