Process for the synthesis of an indoleamine 2,3-dioxygenase inhibitor

US9873688B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9873688-B2
Application numberUS-201615093486-A
CountryUS
Kind codeB2
Filing dateApr 7, 2016
Priority dateNov 8, 2013
Publication dateJan 23, 2018
Grant dateJan 23, 2018

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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 application is directed to processes and intermediates for making 4-({2-[(aminosulfonyl)amino]ethyl}amino)-N-(3-bromo-4-fluorophenyl)-N′-hydroxy-1,2,5-oxadiazole-3-carboximidamide, which is an inhibitor of indoleamine 2,3-dioxygenase, useful in the treatment of cancer and other disorders.

First claim

Opening claim text (preview).

What is claimed is: 1. A compound of Formula F18: wherein R 4 is benzyl, ethyl, C 1-3 haloalkyl, 2,2,2-trichloroethyl or 9H-fluoren-9-ylmethyl. 2. The compound of claim 1 , wherein R 4 is benzyl. 3. The compound of claim 1 , wherein R 4 is ethyl. 4. The compound of claim 1 , wherein R 4 is C 1-3 haloalkyl. 5. The compound of claim 1 , wherein R 4 is 2,2,2-trichloro ethyl. 6. The compound of claim 1 , wherein R 4 is 9H-fluoren-9-ylmethyl.

Assignees

Inventors

Classifications

  • Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00 · CPC title

  • Antineoplastic agents · CPC title

  • C07D271/06Primary

    1,2,4-Oxadiazoles; Hydrogenated 1,2,4-oxadiazoles · CPC title

  • having nitrogen atoms of the sulfamide groups bound to acyclic carbon atoms · CPC title

  • Oxadiazoles · CPC title

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What does patent US9873688B2 cover?
The present application is directed to processes and intermediates for making 4-({2-[(aminosulfonyl)amino]ethyl}amino)-N-(3-bromo-4-fluorophenyl)-N′-hydroxy-1,2,5-oxadiazole-3-carboximidamide, which is an inhibitor of indoleamine 2,3-dioxygenase, useful in the treatment of cancer and other disorders.
Who is the assignee on this patent?
Incyte Corp, Incyte Holdings Corp
What technology area does this patent fall under?
Primary CPC classification C07D271/06. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Jan 23 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 7 related publications on this page (citations in our corpus or others sharing the same primary CPC).