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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2261897Generated: November 1, 2026

Hydrochloric Acid → HCID 68707858, compound

https://huagongshe.com/reaction/2261897

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantMethanolHCID 887—
ReactantDichloromethaneHCID 6344—
Reactanttert-butyl (2R)-2-ethynylpyrrolidine-1-carboxylateHCID 10262067—
SolventEthyl AcetateHCID 8857—
ProductHCID 68707858HCID 68707858—

Reaction Steps

Anhydrous HCl was bubbled into a stirred solution of tert-butyl (2R)-2-ethynylpyrrolidine-1-carboxylate (0.71 g, 3.4 mmol) in ethyl acetate (15 mL) at 0° C. and allowed to mix for 45 min. Upon completion of the reaction as visualized by TLC (99:1 CH2Cl2 to MeOH), the solution was dried in vacuo to yield 2-prop-1-ynylpyrrolidinium chloride. LC-MS m/z=111. 1H NMR (CD3OD, 400 Mhz) 4.33-4.31 ppm (m, 1H), 3.42-3.24 (m, 2H), 2.36-1.99 (m, 4H), 1.88 (s, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07847100B2
Source datasetuspto-grants-2010_12
ORD IDord-e89a3ac5b09743cc92753b3f218061aa
Source noteuspto-grants-2010_12