Crystal form of Brassinosteroid (BR) analogue, and preparation method and use thereof
US11970515B1 · kind B1 · utility
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Key dates
| Filing date | Mar 29, 2022 |
| Grant date | Apr 30, 2024 |
| Priority date | — |
| Expiry date | Mar 29, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/13
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present disclosure provides a novel brassinosteroid (BR) analogue, a novel crystal form, and a preparation method and use thereof. The BR analogue has a chemical formula of C27H46O7, a chemical name of (20R,22R)-2β,3β,14α-14,20,22,25-hexahydroxy-5β,8α,9α-cholestan-6-one, and a structural formula of: In the present disclosure, a novel crystal form with a high bioactivity is obtained by improving a recrystallization process of a naturally extracted BR analogue. This novel crystal form can be applied in the field of agriculture to promote the growth of plants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.