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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1713718Generated: October 25, 2026

4-Methoxy-1-naphthol → 4-Hydroxy-6-methoxy-benzo[h]chromen-2-one

https://huagongshe.com/reaction/1713718

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Methoxy-1-naphtholHCID 66542—
Reactant4-hydroxy-2H-benzo[h]chromen-2-oneHCID 54676818—
Product4-Hydroxy-6-methoxy-benzo[h]chromen-2-oneHCID 5470547618%

Reaction Steps

The procedure was identical to that used for the preparation of 10a: 18% yield (starting with 4-methoxy-1-naphthol 9e); 1H NMR (DMSO) δ 4.02 (3H, s, OCH3-6), 5.69 (1H, s, H-3), 7.12 (1H, s, H-5), 7.74 (2H, m, H-8, 9), 8.23 (1H, m, H-7), 8.33 (1H, m, H-10).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07795299B2
Source datasetuspto-grants-2010_09
ORD IDord-532153efdb01492f9ef8e610c6844c3f
Source noteuspto-grants-2010_09