HuagongsheHuagongshe Chemistry Print Report · For research reference only
4,7-Dihydro-4,7-dioxo-6-ethoxy-1-ethyl-1H-cyclohepta[b]pyridine-2-carboxylic Acid → 4,7-Dihydro-4,7-dioxo-6-ethoxy-1H-cyclohepta[b]pyridine-2-carboxylic Acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4,7-Dihydro-4,7-dioxo-6-ethoxy-1-ethyl-1H-cyclohepta[b]pyridine-2-carboxylic Acid | HCID 22755643 | — |
| Solvent | Hydrochloric Acid | HCID 313 | — |
| Product | 4,7-Dihydro-4,7-dioxo-6-ethoxy-1H-cyclohepta[b]pyridine-2-carboxylic Acid | HCID 22755603 | — |
Reaction Steps
A mixture of 4,7-dihydro-4,7-dioxo-6-ethoxy-1-ethyl-1H-cyclohepta[b]pyridine-2-carboxylic acid (5.3 g, described in Example 13) and 19% hydrochloric acid (50 ml) is refluxed for 1 hr and cooled to room temperature. The precipitate is collected and washed with water to give the title compound, mp > 280° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04130649 |
| Source dataset | uspto-grants-1978_12 |
| ORD ID | ord-813ce1290e1f401783c37957ab593ba6 |
| Source note | uspto-grants-1978_12 |