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Crystal of 6,7-unsaturated-7-carbamoyl morphinan derivative and method for producing the same
US9951082B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9951082-B2 |
| Application number | US-201715814358-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 15, 2017 |
| Priority date | Nov 12, 2010 |
| Publication date | Apr 24, 2018 |
| Grant date | Apr 24, 2018 |
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Abstract
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Stable crystalline forms of a compound represented by the formula (IA): an acid addition salt, and/or a solvate thereof are provided by the present invention. Said crystalline forms are extremely useful as materials for preparing medicines. Novel processes for preparing 6,7-unsaturated-7-carbamoyl morphinan derivatives are also provided by the present invention.
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The invention claimed is: 1. A compound of the formula (IID): wherein R 1 is hydrogen or a hydroxy-protecting group.
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- What does patent US9951082B2 cover?
- Stable crystalline forms of a compound represented by the formula (IA): an acid addition salt, and/or a solvate thereof are provided by the present invention. Said crystalline forms are extremely useful as materials for preparing medicines. Novel processes for preparing 6,7-unsaturated-7-carbamoyl morphinan derivatives are also provided by the present invention.
- Who is the assignee on this patent?
- Shionogi & Co
- What technology area does this patent fall under?
- Primary CPC classification C07D489/08. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Apr 24 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).