Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1386231Generated: October 31, 2026

Hydrochloric Acid → 7,8,9,10-Tetrahydro-1,3-dihydroxy-7-phenyl-6H-dibenzo[b,d]pyran-6-one

https://huagongshe.com/reaction/1386231

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantPhloroglucinolHCID 359—
ReactantHCID 10105963HCID 10105963—
SolventEthanolHCID 702—
Product7,8,9,10-Tetrahydro-1,3-dihydroxy-7-phenyl-6H-dibenzo[b,d]pyran-6-oneHCID 23500383—

Reaction Steps

A solution of phloroglucinol (0.7 g) and 2-ethoxycarbonyl-3-phenylcyclohexanone (1.5 g) in ethanol was treated with dry HCl as described in example 1a. The product was first recrystallized from ethanol-water (1:1) and then triturated with ether. Yield 0.61 g.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06265421B1
Source datasetuspto-grants-2001_07
ORD IDord-6cbe00efa9ce423ab4d75985712dd137
Source noteuspto-grants-2001_07