Method for preparing 3-trifluoromethyl chalcones
US-2016376242-A9 · Dec 29, 2016 · US
Process for preparing macrocyclic ketones
US8940940B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8940940-B2 |
| Application number | US-201313916082-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 12, 2013 |
| Priority date | Jun 13, 2012 |
| Publication date | Jan 27, 2015 |
| Grant date | Jan 27, 2015 |
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Abstract
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The present invention relates to a process for preparing cyclic compounds having at least eight carbon atoms and at least one keto group, to the cyclic compounds obtained by this process and to the use thereof, in particular as fragrance or for providing a fragrance.
First claim
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The invention claimed is: 1. A process for preparing at least one cyclic compound having at least eight carbon atoms and at least one keto group, wherein a) a cyclododeca-4,8-dienone-comprising starting material is provided, and b) the starting material is subjected to an olefin metathesis reaction in the presence of a transition metal catalyst. 2. The process of claim 1 , wherein c) the olefin metathesis reaction takes place in a reaction mixture which i…
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Chemistry & Metallurgy · mapped topic
- C07C45/68Primary
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
- C07C45/673Primary
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
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Frequently asked questions
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- What does patent US8940940B2 cover?
- The present invention relates to a process for preparing cyclic compounds having at least eight carbon atoms and at least one keto group, to the cyclic compounds obtained by this process and to the use thereof, in particular as fragrance or for providing a fragrance.
- Who is the assignee on this patent?
- Basf Se
- What technology area does this patent fall under?
- Primary CPC classification C07C45/68. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jan 27 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).