Crystal forms of a 9-aminomethyl substituted tetracycline compound and a preparation method thereof
US10633337B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Jun 22, 2017 |
| Grant date | Apr 28, 2020 |
| Priority date | — |
| Expiry date | Jun 22, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/13
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention belongs to the field of pharmaceutical technology, and crystal forms of a 9-aminomethyl substituted tetracycline compound and a process for preparing the same. More specifically, the present invention relates to crystal forms of the compound represented by formula (1), a process for preparing crystal forms of the compound represented by formula (1) and use of said crystal forms in manufacture of medicament for treating and/or preventing an infection disease caused by tetracycline-sensitive bacteria and/or tetracycline-resistant bacteria.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.