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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1174534Generated: October 31, 2026

Hydrochloric Acid → HCID 59006941, compound

https://huagongshe.com/reaction/1174534

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantSodium HydroxideHCID 14798—
ReactantHCID 59006940HCID 59006940—
SolventWaterHCID 962—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 59006941HCID 59006941—

Reaction Steps

To a solution of 7.6 mmol of 4((4aR,10aR)-6-Ethoxy-7-methoxy-1,4,4a,10a-tetrahydro-2H-3-oxa-10-aza-phenanthren-9-yl)-benzoic acid methyl ester in 100 ml of dioxan a solution of 7.5 ml of 2 molar sodium hydroxide in water is added and the mixture is stirred for 15 h at RT. A solution of 7.5 ml of 2 molar HCl in water is added and the mixture is stirred for 30 min. After concentration under reduced pressure the solid residue is treated with 100 ml of dichloromethane. After filtering the filtrate is concentrated under reduced pressure yielding the title compound as a grayish solid residue. The title compound is stirred up with diethylether, filtered off and dried under reduced pressure yielding the title compound as white powdery solid. M.p. 203-205° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07838521B2
Source datasetuspto-grants-2010_11
ORD IDord-eb690f69a9b446e881aeba051a4ff04d
Source noteuspto-grants-2010_11