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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 22323Generated: October 27, 2026

Hydrochloric Acid → (+/-)-6-{3-[4-(bis(4-fluorophenyl)hydroxymethyl)-1-piperidinyl]-2-hydroxypropoxy}-7-methoxy-2H-1-benzopyran-2-one

https://huagongshe.com/reaction/22323

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantMethanolHCID 887—
ReactantBis(4-fluorophenyl)(piperidin-4-yl)methanolHCID 11208889—
Reactant7-methoxy-6-(oxiranylmethoxy)-2H-1-benzopyran-2-oneHCID 19927672—
SolventEthanolHCID 702—
SolventIsopropanolHCID 3776—
SolventChloroformHCID 6212—
Product(+/-)-6-{3-[4-(bis(4-fluorophenyl)hydroxymethyl)-1-piperidinyl]-2-hydroxypropoxy}-7-methoxy-2H-1-benzopyran-2-oneHCID 1992767645%

Reaction Steps

Method C (5 d at 45° C.); starting materials: 7-methoxy-6-(oxiranylmethoxy)-2H-1-benzopyran-2-one and 4-[bis(4-fluorophenyl)hydroxymethyl]piperidine; yield 45%; fusion point 220°-221° C. (from methanol and chloroform). Hydrochloride: method G; yield 99%; fusion point 172°-174° C. (from isopropanol and ethanol).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05428038
Source datasetuspto-grants-1995_06
ORD IDord-27e1f705903044f48f64c5fe115171f8
Source noteuspto-grants-1995_06