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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 622463Generated: October 30, 2026

Diethyl acetylenedicarboxylate → HCID 13910831, compound

https://huagongshe.com/reaction/622463

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiethyl acetylenedicarboxylateHCID 69803—
Reactant1,3-Benzodioxole, 5-bromo-6-(dimethoxymethyl)-HCID 11054906—
ReactantHCID 15675195HCID 15675195—
ProductHCID 13910831HCID 1391083151%

Reaction Steps

2-Bromo-4,5-methylenedioxybenzaldehyde dimethylacetal, 3,4-diisopropoxybenzaldehyde and diethyl acetylenedicarboxylate are treated in the same manner as described in Example 1, whereby 1-(3,4-diisopropoxyphenyl)-2,3-bis(ethoxycarbonyl)-4-hydroxy-6,7-methylenedioxynaphthalene is obtained. Yield: 51%

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04771072
Source datasetuspto-grants-1988_09
ORD IDord-0a510a651f444d4a9993487cfaf15a59
Source noteuspto-grants-1988_09