HuagongsheHuagongshe Chemistry Print Report · For research reference only
7-(Diethylamino)-2-oxo-2H-chromene-3-carbaldehyde → 1-(5-carboxy-pentyl)-4-[(E)-2-(7-diethylamino-2-oxo-2H-chromen-3-yl)-vinyl]-3-sulfonato-pyridinium Betaine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 7-(Diethylamino)-2-oxo-2H-chromene-3-carbaldehyde | HCID 143191 | — |
| Reactant | 1-(5-Carboxy-pentyl)-3-sulfonato-4-methyl-pyridinium betaine | HCID 86589123 | — |
| Solvent | Methanol--water (1/1) | HCID 22242641 | — |
| Product | 1-(5-carboxy-pentyl)-4-[(E)-2-(7-diethylamino-2-oxo-2H-chromen-3-yl)-vinyl]-3-sulfonato-pyridinium Betaine | HCID 86589122 | — |
Reaction Steps
0.2 mmol 7-diethylamino-2-oxo-2H-chromene-3-carbaldehyde and 0.2 mmol 1-(5-carboxy-pentyl)-3-sulfonato-4-methyl-pyridinium betaine 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-76af6b9b092e42b69ef71a018a0be6e6 |
| Source note | uspto-grants-2009_07 |