Process for the manufacturing of (6aR,10aR)-7-propyl-6,6a,7,8,9,10,10a,11-octahydro-[1,3]dioxolo[4′,5′:5,6]benzo[1,2-g]quinoline and (4aR,10aR)-1-propyl-1,2,3,4,4a,5,10,10a-octahydro-benzo[g]quinoline-6,7-diol

US12479801B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-12479801-B2
Application numberUS-202318359136-A
CountryUS
Kind codeB2
Filing dateJul 26, 2023
Priority dateMay 20, 2019
Publication dateNov 25, 2025
Grant dateNov 25, 2025

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

The present invention relates to a new process for manufacturing (6aR,10aR)-7-propyl-6,6a,7,8,9,10,10a,11-octahydro-[1,3]dioxolo[4′,5′:5,6]benzo[1,2-g]quinoline with formula (Ib) below, (4aR,10aR)-1-Propyl-1,2,3,4,4a,5,10,10a-octahydro-benzo[g]quinoline-6,7-diol with formula (I) below and salts thereof. Both compounds are for use in the treatment of neurodegenerative diseases and disorders such as Parkinson's Disease. The invention also relates to new intermediate compounds of said process.

First claim

Opening claim text (preview).

The invention claimed is: 1 . A compound of formula (A5) below or a salt thereof. 2 . The compound of claim 1 , which is in the form of a tosylate salt:

Assignees

Inventors

Classifications

  • Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals · CPC title

  • with two or more oxygen atoms as ring hetero atoms in the oxygen-containing ring · CPC title

  • linked by a carbon chain containing only aliphatic carbon atoms · CPC title

  • with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to atoms of the carbocyclic ring · CPC title

  • C07D221/08Primary

    Aza-anthracenes · CPC title

Patent family

Related publications grouped by family.

External sources

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US12479801B2 cover?
The present invention relates to a new process for manufacturing (6aR,10aR)-7-propyl-6,6a,7,8,9,10,10a,11-octahydro-[1,3]dioxolo[4′,5′:5,6]benzo[1,2-g]quinoline with formula (Ib) below, (4aR,10aR)-1-Propyl-1,2,3,4,4a,5,10,10a-octahydro-benzo[g]quinoline-6,7-diol with formula (I) below and salts thereof. Both compounds are for use in the treatment of neurodegenerative …
Who is the assignee on this patent?
H Lundbeck As
What technology area does this patent fall under?
Primary CPC classification C07D491/056. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Nov 25 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).