Processes for the preparation of edoxaban and intermediates thereof

US10301322B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-10301322-B2
Application numberUS-201715850882-A
CountryUS
Kind codeB2
Filing dateDec 21, 2017
Priority dateDec 27, 2016
Publication dateMay 28, 2019
Grant dateMay 28, 2019

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

The present invention provides processes for the preparation of Edoxaban (1) and salts thereof, as well as intermediates thereof. In particular, intermediate compounds and/or salts of the Formulae (3), (4), (6-A), (7-A), (8-A), (9-A) and (10-AS) are provided.

First claim

Opening claim text (preview).

What is claimed is: 1. A compound of Formula (9-A): wherein R 2 is selected from the group consisting of an aliphatic group, substituted aliphatic group, aryl, substituted aryl, arylalkyl, and substituted arylalkyl; wherein the aliphatic group is an alkyl group selected from the group consisting of methyl, ethyl, n-propyl, iso-propyl, n-butyl, t-butyl, sec-butyl, hexanyl, 2-methyl-2-hexanyl, cyclohexyl, 1-methylcyclohexyl, cyclopropylmethyl, and isomers of n-pentyl, n-hexyl, n-heptyl, and n-octyl; and wherein substituted refers to the replacement of one or more hydrogen atoms with a substituent selected from the group consisting of R′″, OR″, NR″R″, SR″, halogen, SiR′″R′″R′″, OCOR′″, COR″, CO 2 R″, CONR″R″, NR″CO 2 R′″, NR″COR′″, SOR′″, SO 2 R′″, CN, NO 2 and CF 3 ; R″ is selected, independently, from the group consisting of hydrogen, an aliphatic group, aryl and arylalkyl; and R′″ is selected, independently, from the group consisting of an aliphatic group, aryl and arylalkyl. 2. The compound of claim 1 , wherein R 2 is an aliphatic group or a substituted aliphatic group. 3. The compound of claim 2 , selected from the group consisting of:

Assignees

Inventors

Classifications

  • C07D513/04Primary

    Ortho-condensed systems · CPC title

  • with the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a ring other than a six-membered aromatic ring · CPC title

  • The ring being saturated · CPC title

  • comprising a heterocyclic ring · CPC title

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Frequently asked questions

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What does patent US10301322B2 cover?
The present invention provides processes for the preparation of Edoxaban (1) and salts thereof, as well as intermediates thereof. In particular, intermediate compounds and/or salts of the Formulae (3), (4), (6-A), (7-A), (8-A), (9-A) and (10-AS) are provided.
Who is the assignee on this patent?
Apotex Inc
What technology area does this patent fall under?
Primary CPC classification C07D513/04. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue May 28 2019 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 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).