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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 851194Generated: November 3, 2026

Resorcinol → 1,2,3,4-Tetrahydro-8-hydroxy-3-(phenylmethyl)5H-[1]benzopyrano[3,4-c]pyridin-5-one

https://huagongshe.com/reaction/851194

Reaction equation

Participants

RoleNameHCIDCharge
ReactantResorcinolHCID 5054—
ReactantEthyl 1-benzyl-4-oxopiperidine-3-carboxylate hydrochlorideHCID 102623—
Product1,2,3,4-Tetrahydro-8-hydroxy-3-(phenylmethyl)5H-[1]benzopyrano[3,4-c]pyridin-5-oneHCID 13381781—

Reaction Steps

Prepared by the method described for Example 1 from resorcinol (22 g, 0.2 moles) and 1-benzyl-3-carbethoxy-4-piperidone hydrochloride (59.6 g, 0.2 moles). The product (55 g) is converted to 1,2,3,4-tetrahydro-3-(phenylmethyl)-8-[(1-phenyl-1H-tetrazol-5-yl)oxy]-5H-[1]benzopyrano [3,4-c]pyridin-5-one without further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04382939
Source datasetuspto-grants-1983_05
ORD IDord-7fbe1d0a18d74ccd9b590f0577de2ff7
Source noteuspto-grants-1983_05