Alpha-amino esters of hydroxypropylthiazolidine carboxamide derivative and salt form, crystal polymorph thereof
US11524003B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Jan 27, 2020 |
| Grant date | Dec 13, 2022 |
| Priority date | — |
| Expiry date | May 7, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/48
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention provides α-amino esters of a hydroxypropylthiazolidine carboxamide derivative, (2S)-3-([1,1′-biphenyl]-4-ylsulfonyl)-N-[(1S)-3-hydroxy-1-phenylpropyl]-1,3-thiazolidine-2-carboxamide, as well as salts and crystal polymorphs thereof, that can be used to inhibit prostaglandin F receptor. The invention further encompasses methods of treating disorders such as preterm labor at the early gestational stage by the administration of these substances to a patient in need of treatment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.