HuagongsheHuagongshe Chemistry Print Report · For research reference only
Veratraldehyde → Dimethyl 8-(3,4-dimethoxyphenyl)-5-hydroxybenzo[f][1,3]benzodioxole-6,7-dicarboxylate
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 | Dimethyl 8-(3,4-dimethoxyphenyl)-5-hydroxybenzo[f][1,3]benzodioxole-6,7-dicarboxylate | HCID 10599219 | — |
Reaction Steps
2-Bromo-4,5-methylenedioxybenzaldehyde dimethyl-acetal, 3,4-dimethoxybenzaldehyde and dimethyl acetylene-dicarboxylate 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 | US04897418 |
| Source dataset | uspto-grants-1990_01 |
| ORD ID | ord-2280d0cced4c44679a445eff14aec412 |
| Source note | uspto-grants-1990_01 |