Detection of trace amounts of perchlorate using SERS-active capture matrices
US-9470671-B1 · Oct 18, 2016 · US
US9964531B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9964531-B2 |
| Application number | US-201414760696-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 21, 2014 |
| Priority date | Jan 23, 2013 |
| Publication date | May 8, 2018 |
| Grant date | May 8, 2018 |
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Disclosed herein are host or receptor compounds that bind targets of interest. In one embodiment the compounds bind ions, such as metal ions. A compound, or a protonate or salt thereof, having the formula of: Formula IIa wherein R 6 is an aminoalkoxy, alkylamino, nitro or —NH 2 ; n is 1 or 2; each R 2 is independently selected from an optionally substituted alkyl, halogen, optionally substituted alkoxy, optionally substituted carboxyl, or amide; a is 0 to 4.
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What is claimed is: 1. A compound, or a protonate or salt thereof, having the formula of: wherein R 6 is an aminoalkoxy, alkylamino, nitro or —NH 2 ; each R 2 is independently selected from an optionally substituted alkyl, halogen, optionally substituted alkoxy, optionally substituted carboxyl, or amide; and a is 0 to 4. 2. The compound of claim 1 , wherein R 6 is —O(CH 2 ) d NR 11 R 12 , wherein d is 1 to 10; and each R 11 and R 12 is independently H or lower alkyl. 3. The compound of claim 2 , wherein each of R 11 and R 12 is methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, or tert-butyl. 4. The compound of claim 2 , wherein each of R 11 and R 12 is H. 5. The compound of claim 2 , wherein each of R 11 and R 12 is methyl. 6. The compound of claim 2 , wherein d is 2. 7. The compound of claim 1 , wherein a is 0. 8. The compound of claim 1 , wherein R 2 is methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, or tert-butyl.
In aqueous solution · CPC title
using chemical indicators (G01N31/02 takes precedence) · CPC title
attached in position 4 · CPC title
Amides · CPC title
Radicals substituted by nitrogen atoms not forming part of a nitro radical · CPC title
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