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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 330560Generated: October 26, 2026

Veratraldehyde → 1-(3,4-Dimethoxyphenyl)-2,3-bis(ethoxycarbonyl)-4-hydroxy-6,7,8-trimethoxynaphthalene

https://huagongshe.com/reaction/330560

Reaction equation

Participants

RoleNameHCIDCharge
ReactantVeratraldehydeHCID 8419—
ReactantDiethyl acetylenedicarboxylateHCID 69803—
Reactant2-Bromo-3,4,5-trimethoxybenzaldehyde dimethylacetalHCID 15914458—
Product1-(3,4-Dimethoxyphenyl)-2,3-bis(ethoxycarbonyl)-4-hydroxy-6,7,8-trimethoxynaphthaleneHCID 10577734—

Reaction Steps

2-Bromo-3,4,5-trimethoxybenzaldehyde dimethylacetal, 3,4-dimethoxybenzaldehyde and diethyl acetylenedicarboxylate are treated in the same manner as described in Example 1-(1) & (2), whereby 1-(3,4-dimethoxyphenyl)-2,3-bis(ethoxycarbonyl)-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-3f85bc4ebeea4fef83e5445c6887a440
Source noteuspto-grants-1990_01