Processes for making modulators of cystic fibrosis transmembrane conductance regulator

US12415798B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-12415798-B2
Application numberUS-202217899672-A
CountryUS
Kind codeB2
Filing dateAug 31, 2022
Priority dateDec 8, 2017
Publication dateSep 16, 2025
Grant dateSep 16, 2025

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  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  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

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

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Abstract

Official abstract text for this publication.

The disclosure provides processes for preparing a compound of Formula (I):

First claim

Opening claim text (preview).

The invention claimed is: 1. A compound of Formula viii: Compound 6 a salt or deuterated derivative thereof, wherein R 1 is a protecting group; and R b is C 1 -C 4 alkyl. 2. The compound, salt, or deuterated derivative according to claim 1 , wherein R 1 is t-butyl carbamate (Boc), benzyl (Bn), tetrahydropyranyl (THP), 9-fluorenylmethyl carbamate (Fmoc), benzyl carbamate (Cbz), acetamide, trifluoroacetamide, triphenylmethylamine, benzylideneamine, and p-toluenesulfonamide. 3. The compound, salt, or deuterated derivative according to claim 1 , wherein R 1 is t-butyl carbamate (Boc), benzyl (Bn), and tetrahydropyranyl (THP). 4. The compound, salt, or deuterated derivative according to claim 1 , wherein R 1 is t-butyl carbamate (Boc). 5. The compound, salt, or deuterated derivative according to claim 1 , wherein R b is ethyl.

Assignees

Inventors

Classifications

  • directly linked by a ring-member-to-ring-member bond · CPC title

  • directly linked by a ring-member-to-ring-member bond · CPC title

  • One oxygen atom attached in position 3 or 5 · CPC title

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

  • containing a five-membered ring with nitrogen as a ring hetero atom, e.g. omeprazole (nicotine A61K31/465) · CPC title

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Frequently asked questions

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What does patent US12415798B2 cover?
The disclosure provides processes for preparing a compound of Formula (I):
Who is the assignee on this patent?
Vertex Pharma
What technology area does this patent fall under?
Primary CPC classification C07D401/14. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Sep 16 2025 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 12 related publications on this page (citations in our corpus or others sharing the same primary CPC).