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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 330561Generated: October 25, 2026

Dimethyl acetylenedicarboxylate → 1-(3,4-Diethoxyphenyl)-2,3-bis(methoxycarbonyl)-4-hydroxy-6,7,8-trimethoxynaphthalene

https://huagongshe.com/reaction/330561

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethyl acetylenedicarboxylateHCID 12980—
Reactant3,4-DiethoxybenzaldehydeHCID 74847—
Reactant2-Bromo-3,4,5-trimethoxybenzaldehyde dimethylacetalHCID 15914458—
Product1-(3,4-Diethoxyphenyl)-2,3-bis(methoxycarbonyl)-4-hydroxy-6,7,8-trimethoxynaphthaleneHCID 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) & (2), whereby 1-(3,4-diethoxyphenyl)-2,3-bis(methoxycarbonyl)-4-hydroxy-6,7,8-trimethoxynaphthalene is obtained as colorless crystals.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04897418
Source datasetuspto-grants-1990_01
ORD IDord-1349e8a406a94f189aaa2b019ed38e83
Source noteuspto-grants-1990_01