Processes and cataylsts for the selective hydrogenation of compounds having carbonyl carbon atoms
US-2024368100-A1 · Nov 7, 2024 · US
Method for preparing a vanillin derivative
US8933274B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8933274-B2 |
| Application number | US-201214349842-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 5, 2012 |
| Priority date | Oct 6, 2011 |
| Publication date | Jan 13, 2015 |
| Grant date | Jan 13, 2015 |
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Abstract
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A method for preparing a compound of formula (I) which is a vanillin derivative, of dimer type, called 3-(4-hydroxy-3-methoxybenzyl)-4-hydroxy-5-methoxybenzaldehyde, such method comprising a reaction of vanillin and vanillyl alcohol in the presence of a base.
First claim
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The invention claimed is: 1. A process for preparing a compound of formula (I) below: comprising a reaction of vanillin and vanillyl alcohol in the presence of a base. 2. The process as claimed in claim 1 , wherein said base is selected from the group consisting of inorganic bases, organic bases, inorganic heterogeneous bases, and mixtures thereof.…
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Frequently asked questions
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- What does patent US8933274B2 cover?
- A method for preparing a compound of formula (I) which is a vanillin derivative, of dimer type, called 3-(4-hydroxy-3-methoxybenzyl)-4-hydroxy-5-methoxybenzaldehyde, such method comprising a reaction of vanillin and vanillyl alcohol in the presence of a base.
- Who is the assignee on this patent?
- Rhodia Operations
- What technology area does this patent fall under?
- Primary CPC classification C07C45/64. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jan 13 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).