HuagongsheHuagongshe Chemistry Print Report · For research reference only
1-(5-Carboxypentyl)-4-methylpyridin-1-ium bromide → 1-(5-carboxy-pentyl)-4-((E)-2-{7-[ethyl-(3-sulfonatopropyl)-amino]-2-oxo-2H-chromen-3-yl}-vinyl)-pyridinium Betaine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1-(5-Carboxypentyl)-4-methylpyridin-1-ium bromide | HCID 17937818 | — |
| Reactant | Methanol--water (1/1) | HCID 22242641 | — |
| Reactant | 3-[Ethyl-(3-formyl-2-oxo-2h-chromen-7-yl)-amino]-propane-1-sulfonic acid sodium salt | HCID 87595310 | — |
| Product | 1-(5-carboxy-pentyl)-4-((E)-2-{7-[ethyl-(3-sulfonatopropyl)-amino]-2-oxo-2H-chromen-3-yl}-vinyl)-pyridinium Betaine | HCID 86589120 | — |
Reaction Steps
0.2 mmol 3-[ethyl-(3-formyl-2-oxo-2H-chromen-7-yl)-amino]-propane-1-sulfonic acid sodium salt and 0.2 mmol 1-(5-carboxy-pentyl)-4-methyl-pyridinium bromide are converted according to the general directions above. Column chromatography: SiO2 (RP18), eluent: methanol/water.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07563907B2 |
| Source dataset | uspto-grants-2009_07 |
| ORD ID | ord-c141d80bc6e942a3897d743bc1682761 |
| Source note | uspto-grants-2009_07 |