HuagongsheHuagongshe Chemistry Print Report · For research reference only
Dimethyl acetylenedicarboxylate → 1-(3,4-Diethoxyphenyl)-2,3-bis(methoxycarbonyl)-4-hydroxy-6,7,8-trimethoxynaphthalene
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Dimethyl acetylenedicarboxylate | HCID 12980 | — |
| Reactant | 3,4-Diethoxybenzaldehyde | HCID 74847 | — |
| Reactant | 2-Bromo-3,4,5-trimethoxybenzaldehyde dimethylacetal | HCID 15914458 | — |
| Product | 1-(3,4-Diethoxyphenyl)-2,3-bis(methoxycarbonyl)-4-hydroxy-6,7,8-trimethoxynaphthalene | HCID 13910823 | — |
Reaction Steps
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) and (2), whereby 1-(3,4-diethoxyphenyl)-2,3-bis(methoxycarbonyl)-4-hydroxy-6,7,8-trimethoxynaphthalene is obtained as colorless crystals.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04771072 |
| Source dataset | uspto-grants-1988_09 |
| ORD ID | ord-085c0ebf95bc4c4e87c79cc86b6cb75a |
| Source note | uspto-grants-1988_09 |