Method for producing crystal of uracil compound
US10752608B2 · kind B2 · utility
2Cited by
1References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 13, 2017 |
| Grant date | Aug 25, 2020 |
| Priority date | — |
| Expiry date | Jul 13, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/13
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention provides a method for producing a crystal of a uracil compound with high purity by a process which can be carried out in an industrial scale. Specifically, the invention provides a method for producing a crystal of a uracil compound, wherein the method comprises dissolving a composition comprising a uracil compound represented by formula (1) in organic solvents consisting of a C3-C6 alcohol solvent and an aromatic solvent to obtain a solution, and precipitating a crystal of said uracil compound from the solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.