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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 366888Generated: November 1, 2026

Water → HCID 12044049, compound

https://huagongshe.com/reaction/366888

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantSulfuric AcidHCID 1118—
ReactantBenzylamineHCID 7504—
Reactant1-Benzyl-2,5-dihydropyrroleHCID 561506—
SolventAcetoneHCID 180—
ProductHCID 12044049HCID 1204404974%

Reaction Steps

To a solution of 15.9 g (0.1 mol) of 1-benzyl-3-pyrroline, 12.0 g (0.12 mol) of 98% sulfuric acid, 15.0 g of water, and 60.0 g of acetone in a quartz round flask reactor, 45.6 g (0.20 mol) of (NH4)2S2O8 (ammonium peroxydisulfate produced by Mitsubishi Gas Chemical Industry Co., Ltd.) was added with stirring and allowed to react for 5 days at room temperature with irradiation by 500 W Xe lamps (UXL-500D xenon lamp produced by Ushio). After evaporation of acetone under reduced pressure, continuously 32.1 g (0.3 mol) of benzylamine (produced by Katayama Chemical Industry Co., Ltd.) was added to the reaction mixture and stirred for 5 hours at 100° C. After completion, excess benzylamine was removed by distillation under reduced pressure, and extracted with toluene and water. After the solvent was evaporated under reduced pressure, 20.9 g of 1-benzyl-4-benzylamino-3-pyrrolidinol (yield 74.0%) was obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06130338
Source datasetuspto-grants-2000_10
ORD IDord-548365991b5b4250974f7a6f5a483cba
Source noteuspto-grants-2000_10