HuagongsheHuagongshe Chemistry Print Report · For research reference only
Veratraldehyde → 1-(3,4-Dimethoxyphenyl)-2,3-bis(methoxycarbonyl)-4-hydroxy-6,7-methylenedioxynaphthalene
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Veratraldehyde | HCID 8419 | — |
| Reactant | Dimethyl acetylenedicarboxylate | HCID 12980 | — |
| Reactant | 1,3-Benzodioxole, 5-bromo-6-(dimethoxymethyl)- | HCID 11054906 | — |
| Product | 1-(3,4-Dimethoxyphenyl)-2,3-bis(methoxycarbonyl)-4-hydroxy-6,7-methylenedioxynaphthalene | HCID 10599219 | — |
Reaction Steps
2-Bromo-4,5-methylenedioxybenzaldehyde dimethylacetal, 3,4-dimethoxybenzaldehyde and dimethyl acetylenedicarboxylate are treated in the same manner as described in Example 1, whereby 1-(3,4-dimethoxyphenyl)-2,3-bis(methoxycarbonyl)-4-hydroxy-6,7-methylenedioxynaphthalene is obtained as colorless crystals.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05070103 |
| Source dataset | uspto-grants-1991_12 |
| ORD ID | ord-53f3c58c6dad4f8998e93b514decd0fa |
| Source note | uspto-grants-1991_12 |