Neprilysin inhibitors

US9981999B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9981999-B2
Application numberUS-201715589289-A
CountryUS
Kind codeB2
Filing dateMay 8, 2017
Priority dateJun 8, 2012
Publication dateMay 29, 2018
Grant dateMay 29, 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.

In one aspect, the invention relates to compounds having the formula X: where R a , R b , R 2 , R 7 , and X are as defined in the specification, or a pharmaceutically acceptable salt thereof. The compounds described herein are prodrugs of compounds having neprilysin inhibition activity. In another aspect, the invention relates to pharmaceutical compositions comprising these compounds; methods of using these compounds; and processes and intermediates for preparing these compounds.

First claim

Opening claim text (preview).

What is claimed is: 1. A compound of: (a) (R)-3-[N-(5′-chloro-2′-fluorobiphenyl-4-ylmethyl)-N′-(3-mathoxyisoxazole-5-carbonyl)hydrazino]-2-hydroxypropionic Acid 5-methyl-2-oxo[1,3]dioxol-4-ylmethyl ester; (b) (R)-3-[N-(5′-chloro-2′-fluorobiphenyl-4-ylmethyl)-N′-(3-methoxyisoxazole-5-carbonyl)hydrazino]-2-hydroxypropionic acid 2,2,3,3,3-pentafluoropropyl ester; (c) (R)-3[N-(5′-chloro-2′-fluorobiphenyl-4-ylmethyl)-N′-(3-methoxyisoxazole-5-carbonyl)hydrazino]-2-hydroxypropionic acid acetoxymethyl ester; (d) (R)-3[N-(5′-chloro-2′-fluorobiphenyl-4-ylmethyl)-N′-(3-methoxyisoxazole-5-carbonyl)hydrazino]-2-hydroxypropionic acid 2-methoxy-ethyl ester; (e)butyric acid (R)-3[N-(5′-chloro-2′-fluorobiphenyl-4-ylmethyl)-N′-(3-methoxyisoxazole-5-carbonyl)hydrazino]-2-hydroxypropionyloxymethyl ester; (f) (R)-3[N-(5′-chloro-2′-fluorobiphenyl-4-ylmethyl)-N′-(3-methoxyisoxazole-5-carbonyl)hydrazino]-2-hydroxypropionic acid ethoxycarbonyloxymethyl ester; (g) (R)-3[N-(5′-chloro-2′-fluorobiphenyl-4-ylmethyl)-N′-(3-methoxyisoxazole-5-carbonyl)hydrazino]-2-hydroxypropionic acid 2-morpholin-4-ylethyl ester; (h) (S)-2-methoxycarbonylamino-3-methylbutyric acid (R)-3-[N-(5′-chloro-2′-fluorobiphenyl-4-ylmethyl)-N′-(3-methoxyisoxazole-5-carbonyl)hydrazino]-2-hydroxypropionyloxymethyl ester; (i) (R)-3[N-(5′-chloro-2′-fluorobiphenyl-4-ylmethyl)-N′-(3-methoxyisoxazole-5-carbonyl)hydrazino]-2-hydroxypropionic acid isopropoxycarbonyloxymethyl ester; (j) (R)-2-(2-aminoacetoxy)-3[N-(5′-chloro-2′-fluorobiphenyl-4-ylmethyl)-N′-(3-methoxyisoxazole-5-carbonyl)hydrazino]propionic acid ethyl ester; (k) (R)-3[N-(5′-chloro-2′-fluorobiphenyl-4-ylmethyl)-N′-(3-methoxyisoxazole-5-carbonyl)hydrazino]-2-propionyloxypropionic acid; (l) (S)-2-amino-3-methylbutyric acid (R)-3[N-(5′-chloro-2′-fluorobiphenyl-4-ylmethyl)-N′-(3-methoxyisoxazole-5-carbonyl)-hydrazino]-2-hydroxypropionyloxymethyl ester; (m) (S)-2-methoxycarbonylamino-3-methylbutyric acid (R)-1-carboxy-2[N-(5′-chloro-2′-fluorobiphenyl-4-ylmethyl)-N′-(3-methoxyisoxazole-5-carbonyl)hydrazino]ethyl ester; (n) (S)-2-aminopropionic acid (R)-1-carboxy-2-[N-(5′-chloro-2′-fluorobiphenyl-4-ylmethyl)-N′-(3-methoxyisoxazole-5-carbonyl)hydrazino]ethyl ester; (o) (S)-2-amino-3-methylbutyric acid (R)-1-carboxy-2-[N-(5′-chloro-2′-fluorobiphenyl-4-ylmethyl)-N′-(3-methoxyisoxazole-5-carbonyl)hydrazino]ethyl ester; (p) (R)-2-(2-aminoacetoxy)-3[N-(5′-chloro-2′-fluorobiphenyl-4-ylmethyl)-N′-(3-methoxyisoxazole-5-carbonyl)hydrazino]propionic acid; (q) (R)-3[N-(5′-chloro-2′-fluorobiphenyl-4-ylmethyl)-N′-(3-methoxyisoxazole-5-carbonyl)hydrazino]-2-hydroxypropionic acid 1-cyclohexyloxycarbonyloxyethyl ester; or a pharmaceutically-acceptable salt thereof.

Assignees

Inventors

Classifications

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

  • Antihypertensives · CPC title

  • Inotropic agents, i.e. stimulants of cardiac contraction; Drugs for heart failure · CPC title

  • Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen · CPC title

  • linked by a chain containing hetero atoms as chain links · CPC title

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Frequently asked questions

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What does patent US9981999B2 cover?
In one aspect, the invention relates to compounds having the formula X: where R a , R b , R 2 , R 7 , and X are as defined in the specification, or a pharmaceutically acceptable salt thereof. The compounds described herein are prodrugs of compounds having neprilysin inhibition activity. In another aspect, the invention relates to pharmaceutical compositions comprising…
Who is the assignee on this patent?
Theravance Biopharma R&D Ip Llc
What technology area does this patent fall under?
Primary CPC classification C07F9/653. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue May 29 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 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).