Preparation method of optically active diamine compound
US-9447118-B2 · Sep 20, 2016 · US
Process for producing optically active β-amino aldehyde compound
US8962889B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8962889-B2 |
| Application number | US-201113880675-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 9, 2011 |
| Priority date | Oct 20, 2010 |
| Publication date | Feb 24, 2015 |
| Grant date | Feb 24, 2015 |
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Abstract
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The invention relates to a method of producing optically active β-aminoaldehyde compound (3) by reacting imine compound (1-1) or sulfone compound (1-2) with aldehyde compound (2) in the presence of an optically active pyrrolidine compound. wherein each symbol is as defined in the specification.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method of producing an optically active compound of formula (3): wherein R 1 is a C 1 -C 20 aliphatic hydrocarbon group optionally having substituent(s) selected from the following Group G1 or a hydrogen atom, R 2 is a C 1 -C 20 hydrocarbon group optionally having substituent(s) selected from the following Group G1, a C 1 -C 12 alkoxy grou…
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Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
- C07C303/40Primary
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
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Frequently asked questions
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- What does patent US8962889B2 cover?
- The invention relates to a method of producing optically active β-aminoaldehyde compound (3) by reacting imine compound (1-1) or sulfone compound (1-2) with aldehyde compound (2) in the presence of an optically active pyrrolidine compound. wherein each symbol is as defined in the specification.
- Who is the assignee on this patent?
- Hayashi Yujiro, Sumitomo Chemical Co
- What technology area does this patent fall under?
- Primary CPC classification C07C303/40. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Feb 24 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).