HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Dimethyl acetylenedicarboxylate → 1-(3,4-Diethoxyphenyl)-2,3-bis(methoxycarbonyl)-4-hydroxy-6,7,8-trimethoxynaphthalene
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Dimethyl acetylenedicarboxylate | HCID 12980 | — |
| Edukt | 3,4-Diethoxybenzaldehyde | HCID 74847 | — |
| Edukt | 2-Bromo-3,4,5-trimethoxybenzaldehyde dimethylacetal | HCID 15914458 | — |
| Produkt | 1-(3,4-Diethoxyphenyl)-2,3-bis(methoxycarbonyl)-4-hydroxy-6,7,8-trimethoxynaphthalene | HCID 13910823 | — |
Reaktionsschritte
2-Bromo-3,4,5-trimethoxybenzaldehyde dimethylacetal, 3,4-diethoxybenzaldehyde and dimethyl acetylenedicarboxylate are treated in the same manner as described in Example 1-(1) & (2), whereby 1-(3,4-diethoxyphenyl)-2,3-bis(methoxycarbonyl)-4-hydroxy-6,7,8-trimethoxynaphthalene is obtained as colorless crystals.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US04897418 |
| Quelldatensatz | uspto-grants-1990_01 |
| ORD ID | ord-1349e8a406a94f189aaa2b019ed38e83 |
| Quellennotiz | uspto-grants-1990_01 |