HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → HCID 20304582, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | HCID 12327569 | HCID 12327569 | — |
| Reactant | Sodium Nitrite | HCID 23668193 | — |
| Solvent | Water | HCID 962 | — |
| Product | HCID 20304582 | HCID 20304582 | — |
Reaction Steps
Ethyl 5amino-6,7,8,9-tetrahydro-4-oxo-10-propyl-4H-naphtho[2,3-b]pyran-2-carboxylate (7.2 g) in concentrated hydrochloric acid (90 ml) was treated with sodium nitrite (1.8 g) in water (15 ml) with stirring at 0° over 15 minutes.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04159273 |
| Source dataset | uspto-grants-1979_06 |
| ORD ID | ord-0d9666372f3644cfbd7be4982aedbcaa |
| Source note | uspto-grants-1979_06 |