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US-2024018133-A1 · Jan 18, 2024 · US
Process for the production of 4-substituted chromanes via gold catalysis
US9102646B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9102646-B2 |
| Application number | US-201214365527-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 17, 2012 |
| Priority date | Dec 15, 2011 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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Abstract
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Disclosed herein is single step process for the synthesis of 4-aryl substituted chromanes of compound of formula 2 comprising subjecting 3-aryloxy-1-phenylpropan-1-ol of formula 1 to (III) chloride-catalyzed intramolecular Friedel-Crafts reaction to obtain 4-aryl substituted chromanes. The invention further discloses novel 4-substituted Chromane compounds.
First claim
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We claim: 1. A single step process for the synthesis of 4-aryl substituted chromanes of Formula 2 comprising subjecting 3-aryloxy-1-phenylpropan-1-ol of Formula 1 to gold (III) chloride-catalyzed intramolecular Friedel-Crafts reaction to obtain 4-aryl substituted chromanes of Formula 2…
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- C07D311/04Primary
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Cross-Sectional Technologies · mapped topic
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- What does patent US9102646B2 cover?
- Disclosed herein is single step process for the synthesis of 4-aryl substituted chromanes of compound of formula 2 comprising subjecting 3-aryloxy-1-phenylpropan-1-ol of formula 1 to (III) chloride-catalyzed intramolecular Friedel-Crafts reaction to obtain 4-aryl substituted chromanes. The invention further discloses novel 4-substituted Chromane compounds.
- Who is the assignee on this patent?
- Council Scient Ind Res
- What technology area does this patent fall under?
- Primary CPC classification C07D311/04. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Aug 11 2015 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).