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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 537744Generated: October 30, 2026

Hydrochloric Acid → HCID 57496437, compound

https://huagongshe.com/reaction/537744

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantSodium HydroxideHCID 14798—
ReactantHCID 57496390HCID 57496390—
SolventMethanol tetrahydrofuran waterHCID 21892291—
ProductHCID 57496437HCID 57496437—

Reaction Conditions

Temperature50 °C

Reaction Steps

Ethyl 1′-benzyl-3,4-dihydro-2H-spiro[naphthalene-1,3′-pyrrolidine]-4′-carboxylate (1.1 g, 3.15 mmol) in THF/MeOH/H2O (41 ml) was added 2N sodium hydroxide (4.72 ml, 9.44 mmol). Stir overnight at 50° C. Cooled to room temperature and acidified to pH1-2 with 0.5N HCl and extracted with EtOAc. The organic layer was dried and concentrated. The crude acid was not purified.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08865701B2
Source datasetuspto-grants-2014_10
ORD IDord-337ba057b1d4466aaba6ca4b4a9390ae
Source noteuspto-grants-2014_10