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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 879701Generated: October 30, 2026

Water → (3S,8S)-3-(4-Hydroxy-phenyl)-7-((S)-1-phenyl-propyl)-2,3,6,7,8,9-hexahydro-[1,4]dioxino[2,3-g]isoquinoline-8-carboxylic acid methyl ester

https://huagongshe.com/reaction/879701

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantEthyl AcetateHCID 8857—
ReactantSodium BicarbonateHCID 516892—
Reactant(3S,8S)-3-(4-Acetoxy-phenyl)-7-((S)-1-phenyl-propyl)-2,3,6,7,8,9-hexahydro-[1,4]dioxino[2,3-g]isoquinoline-8-carboxylic acid methyl esterHCID 58327394—
SolventMethanolHCID 887—
Product(3S,8S)-3-(4-Hydroxy-phenyl)-7-((S)-1-phenyl-propyl)-2,3,6,7,8,9-hexahydro-[1,4]dioxino[2,3-g]isoquinoline-8-carboxylic acid methyl esterHCID 58327439100.1%

Reaction Steps

(3S,8S)-3-(4-Acetoxy-phenyl)-7-((S)-1-phenyl-propyl)-2,3,6,7,8,9-hexahydro-[1,4]dioxino[2,3-g]isoquinoline-8-carboxylic acid methyl ester (120 mg) was dissolved in methanol (5 mL). To this solution was added NaHCO3 (400 mg). The mixture was stirred at rt for 2-3 h. After completion of the reaction, the mixture was poured into water (10 mL) and was extraxcted with EtOAc (30 mL). The organic layer was washed with water, brine, dried and concentracted to get the desired product as a white solid (110 mg) LCMS (m/z): 461.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08987295B2
Source datasetuspto-grants-2015_03
ORD IDord-aaa0ddf51c3d455385817ede40795b25
Source noteuspto-grants-2015_03