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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 272970Generated: October 31, 2026

Hydrochloric Acid → HCID 68576681, compound

https://huagongshe.com/reaction/272970

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantSodium HydroxideHCID 14798—
ReactantHCID 68575805HCID 68575805—
SolventWaterHCID 962—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 68576681HCID 68576681—

Reaction Steps

Sodium hydroxide (200 mg, 5 mmol) was added to a solution of ethyl 4-{4-[(1-cyclobutylpiperidin-4-yl)oxy]phenyl}tetrahydro-2H-pyran-4-carboxylate (870 mg, 2.25 mmol) in dioxane (10 ml) and water (2 ml). The reaction mixture was heated to reflux for 16 hours under nitrogen. The reaction was not complete. More sodium hydroxide (190 mg, 4.75 mmol) in water (4 ml) was added and the reaction heated at reflux for 18 hours. 2N Hydrochloric acid (5 ml, 9.75 mmol) was added and the mixture concentrated in vacuo to a white powder (2.0 g) containing the title compound and sodium chloride. LRMS APCI+ m/z 360 [MH]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07456164B2
Source datasetuspto-grants-2008_11
ORD IDord-8fd5ee38531348908533ef4cc4b13d6f
Source noteuspto-grants-2008_11