P2x3 and/or p2x2/3 receptor antagonist, pharmaceutical composition comprising same, and use thereof
US-2024400592-A1 · Dec 5, 2024 · US
Phosphole compound and fluorescent dye containing the same
US9951094B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9951094-B2 |
| Application number | US-201515112499-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 22, 2015 |
| Priority date | Jan 24, 2014 |
| Publication date | Apr 24, 2018 |
| Grant date | Apr 24, 2018 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
The following formula is an example of a phosphole compound of the present invention. The phosphole compound of the present invention has the characteristic of maintaining a high fluorescence quantum yield in a wide range of solvents from low-polarity solvents to high-polarity solvents, as well as the characteristic in which the fluorescence wavelength shifts to the longer wavelength side as the polarity of the solvent increases. Because of these characteristics, the phosphole compound of the present invention is expected to be used, for example, for quantitatively determining the polarity in the environment therearound by using the absorption wavelength and fluorescence wavelength thereof, or used as a new fluorescent probe dye or a highly efficient luminescent material in organic electronic devices.
First claim
Opening claim text (preview).
The invention claimed is: 1. A phosphole compound represented by the following formula (2): wherein in formula (2), R 1 represents an aryl group or a substituted aryl group; R 3 and R 4 are the same and are each an alkyl group, a substituted alkyl group, an aryl group, or a substituted aryl group; R 5 and R 6 are the same and are each an alkyl group, a substituted alkyl group, an aryl group, or a substituted aryl group; Ar represents a hydrocarbon aromatic ring or a substituted hydrocarbon aromatic ring; n is 0; π 1 is a benzene ring; and —NR 3 R 4 is located at the 5- or the 6-position of the indene ring. 2. The phosphole compound according to claim 1 , wherein Ar is a benzene ring or a naphthalene ring. 3. The phosphole compound according to claim 2 , wherein R 3 and R 4 are each an alkyl group or a substituted alkyl group. 4. A fluorescent dye containing the phosphole compound according to claim 1 .
Assignees
Inventors
Classifications
containing one nitrogen atom as the heteroatom · CPC title
Electricity · mapped topic
bridged by heteroatoms, e.g. N, P, Si or B · CPC title
Other synthetic dyes of known constitution · CPC title
Triarylamine dyes containing no other chromophores · CPC title
Patent family
Related publications grouped by family.
External sources
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US9951094B2 cover?
- The following formula is an example of a phosphole compound of the present invention. The phosphole compound of the present invention has the characteristic of maintaining a high fluorescence quantum yield in a wide range of solvents from low-polarity solvents to high-polarity solvents, as well as the characteristic in which the fluorescence wavelength shifts to the longer wavelength side as th…
- Who is the assignee on this patent?
- Univ Nagoya Nat Univ Corp
- What technology area does this patent fall under?
- Primary CPC classification C07F9/65685. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Apr 24 2018 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).