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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 962653Generated: October 30, 2026

2,3-Dimethoxyphenol → 3-Benzyl-7,8-dimethoxy-1,2,3,4-tetrahydro-chromeno[3,4-c]pyridin-5-one

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Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,3-DimethoxyphenolHCID 78828—
ReactantMethyl 1-benzyl-4-oxopiperidine-3-carboxylate hydrochlorideHCID 107479—
Product3-Benzyl-7,8-dimethoxy-1,2,3,4-tetrahydro-chromeno[3,4-c]pyridin-5-oneHCID 1066562635%

Reaction Steps

Prepared by the procedure of Example 1 from 2,3-dimethoxyphenol and methyl 1-benzyl-4-oxo-3-piperidine-carboxylate hydrochloride. Yield 35%; mp 138°-140° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05760050
Source datasetuspto-grants-1998_06
ORD IDord-652eba3afc2a47e7bbf74cccd53820e9
Source noteuspto-grants-1998_06