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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1844677Generated: October 31, 2026

Hydrochloric Acid → HCID 68299225, compound

https://huagongshe.com/reaction/1844677

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantPotassium tert-butoxideHCID 23665647—
ReactantHCID 68299235HCID 68299235—
SolventDimethylformamideHCID 6228—
ProductHCID 68299225HCID 68299225—

Reaction Steps

To a solution of (1-methoxy-piperidin-4-yl)-[2-(2,4,6-trimethyl-phenyl)-acetylamino]-acetic acid methyl ester (1.217 g, 3.36 mmol) in DMF (6 ml) at 90° C. under nitrogen was added t-BuOK (1.12 g, 10 mmol), the mixture was stirred for 10 min. Then the reaction mixture was poured into diluted hydrochloric acid and concentrated in vacuum. The crude product was purified by column chromatography on silica gel. Yield: 960 mg of 4-hydroxy-5-(1-methoxy-piperidin-4-yl)-3-(2,4,6-trimethyl-phenyl)-1,5-dihydro-pyrrol-2-one (compound P2.12) as a solid, mp 206-209° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08946453B2
Source datasetuspto-grants-2015_02
ORD IDord-306eacffcdb64f4facbf34f764125fb7
Source noteuspto-grants-2015_02