Resist composition, method for forming resist pattern, polyphenolic compound for use in the composition, and alcoholic compound that can be derived therefrom
US-9908831-B2 · Mar 6, 2018 · US
Process for asymetric methylallylation in the presence of a 2,2′-substituted 1,1′-BI-2-naphthol catalyst
US8975447B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8975447-B2 |
| Application number | US-201214003248-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 6, 2012 |
| Priority date | Mar 7, 2011 |
| Publication date | Mar 10, 2015 |
| Grant date | Mar 10, 2015 |
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Abstract
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Disclosed are a process and catalysts useful for carrying out asymmetric methlyallylations. The catalysts used in the invention have the formula (IV): wherein X 1 , X 2 , R 3 and R 4 are as defined herein. Compounds made by the process of the invention can be used to prepare pharmaceutically active compounds such as 11-β-hydroxysteroid hydrogenase type 1 (11-β-HSD1) inhibitors including 1,3-disubstituted oxazinan-2-ones.
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What is claimed is: 1. A process for making a compound of formula (I): the process comprising allowing a compound of formula (II): to react with a compound of formula (III):…
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Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
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- What does patent US8975447B2 cover?
- Disclosed are a process and catalysts useful for carrying out asymmetric methlyallylations. The catalysts used in the invention have the formula (IV): wherein X 1 , X 2 , R 3 and R 4 are as defined herein. Compounds made by the process of the invention can be used to prepare pharmaceutically active compounds such as 11-β-hydroxysteroid hydrogenase type 1 (11-β-HSD1) inhibitors including 1,3-d…
- Who is the assignee on this patent?
- Li Wenjie, Lu Zhi-Hui, Senanayake Chris Hugh, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification C07C39/14. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Mar 10 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).