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Optically active ammonium salt compound, production intermediate thereof, and production method thereof
US8962898B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8962898-B2 |
| Application number | US-201213705506-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 5, 2012 |
| Priority date | Mar 3, 2005 |
| Publication date | Feb 24, 2015 |
| Grant date | Feb 24, 2015 |
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Abstract
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An optically active bisbenzyl compound or a racemic bisbenzyl compound represented by formula (2) that has axial chirality: where: R 1 represents a halogen, or an optionally substituted: linear, branched, or cyclic C 1-8 alkyl, C 2-8 alkenyl, C 2-8 alkynyl, C 6-14 aryl, C 3-8 heteroaryl, linear, branched, or cyclic C 1-8 alkoxy, or C 7-16 aralkyl; R 21 each independently represents hydrogen, halogen, nitro, or an optionally substituted: linear, branched, or cyclic C 1-8 alkyl, C 2-8 alkenyl, C 2-8 alkynyl, C 6-14 aryl, linear, branched, or cyclic C 1-8 alkoxy, or a C 7-16 aralkyl; R 3 represents hydrogen, or an optionally substituted: C 6-14 aryl, a C 3-8 heteroaryl, or a C 7-16 aralkyl; and Y 2 represents a halogen, or an optionally substituted: C 1-8 alkylsulfonyloxy, C 6-14 arylsulfonyloxy, or C 7-16 aralkylsulfonyloxy.
First claim
Opening claim text (preview).
What is claimed is: 1. A racemic bisbenzyl compound represented by formula (2) that has axial chirality: where: R 1 represents a halogen, a C 1-8 alkyl that is optionally substituted and that is linear, branched, or cyclic, a C 2-8 alkenyl that is optionally substituted, a C 2-8 alkynyl that is optionally substituted, a C 6-14 aryl that is optionally substituted, a C 3-8…
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Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
- B01J31/0271Primary
Operations & Transport · mapped topic
Chemistry & Metallurgy · mapped topic
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- What does patent US8962898B2 cover?
- An optically active bisbenzyl compound or a racemic bisbenzyl compound represented by formula (2) that has axial chirality: where: R 1 represents a halogen, or an optionally substituted: linear, branched, or cyclic C 1-8 alkyl, C 2-8 alkenyl, C 2-8 alkynyl, C 6-14 aryl, C 3-8 heteroaryl, linear, branched, or cyclic C 1-8 alkoxy, or C 7-16 aralkyl; R…
- Who is the assignee on this patent?
- Nippon Soda Co
- What technology area does this patent fall under?
- Primary CPC classification B01J31/0271. Mapped technology areas include Operations & Transport.
- 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).