Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|
| Edukt | Sulfur | HCID 5362487 | — |
| Edukt | 6,7-Dimethoxy-3,4-dihydronaphthalene-2-carboxylic acid | HCID 14676173 | — |
| Produkt | 6,7-Dimethoxy-2-naphthoic acid | HCID 283028 | 94,9% |
Reaktionsschritte
A mixture of 6,7-dimethoxy-1,2-dihydro-3-naphthoic acid (1.7 g) and powdery sulfur (0.47 g) is heated at 215° C. for 30 minutes to afford 6,7-dimethoxy-2-naphthoic acid (1.6 g), which is recrystallized from ethanol to give colorless prisms, m.p. 245°-247° C.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| Patentnummer | US04880809 |
|---|
| Quelldatensatz | uspto-grants-1989_11 |
|---|
| ORD ID | ord-d454b56016524796afa8fbba1f159fcd |
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| Quellennotiz | uspto-grants-1989_11 |
|---|
