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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2407981Generated: October 31, 2026

Hydrochloric Acid → HCID 70495641, compound

https://huagongshe.com/reaction/2407981

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantSodium HydroxideHCID 14798—
ReactantHCID 70496358HCID 70496358—
SolventMethanolHCID 887—
SolventWaterHCID 962—
SolventTetrahydrofuranHCID 8028—
ProductHCID 70495641HCID 7049564190.1%

Reaction Conditions

Temperature70 °C

Reaction Steps

To a stirred mixture solution of 4,4-dimethyl-2-(3-morpholin-4-yl-phenyl)-1,2,3,4-tetrahydro-quinoline-8-carboxylic acid methyl ester (380.0 mg, 1.0 mmol) in methanol (10.0 mL) and tetrahydrofuran (10.0 mL) was added 50% sodium hydroxide in water (1.5 mL). The reaction mixture was stirred at 70° C. for 6 h. The mixture was neutralized with a 3 N aqueous hydrochloric acid solution and extracted with ethyl acetate (2×100 mL), washed with water, dried over anhydrous sodium sulfate and then concentrated in vacuo to afford 4,4-dimethyl-2-(3-morpholin-4-yl-phenyl)-1,2,3,4-tetrahydro-quinoline-8-carboxylic acid (330.0 mg, 90%) as a light white solid which was used for next step without further purification: MS (ESI) M+1=367.1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08809369B2
Source datasetuspto-grants-2014_08
ORD IDord-0a38f0f2d04a4dacb044e4040a29c9a1
Source noteuspto-grants-2014_08