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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 869626Generated: October 30, 2026

Hydrochloric Acid → (R)-3-(pyrrolidin-2-ylmethoxy)picolinamide dihydrochloride

https://huagongshe.com/reaction/869626

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantDiisopropyl EtherHCID 7914—
Reactant(R)-tert-butyl 2-((2-carbamoylpyridin-3-yloxy)methyl)pyrrolidine-1-carboxylateHCID 66961823—
SolventEthyl AcetateHCID 8857—
Product(R)-3-(pyrrolidin-2-ylmethoxy)picolinamide dihydrochlorideHCID 6696063392%

Reaction Steps

A solution of (R)-tert-butyl 2-((2-carbamoylpyridin-3-yloxy)methyl)pyrrolidine-1-carboxylate (3.43 g, 10.7 mmol, EXAMPLE 1 Step 2) in 4.0 M hydrogen chloride in ethyl acetate (100 mL) was stirred at room temperature for 5 h. Diisopropyl ether (150 mL) was added to the mixture, and the formed white precipitate was collected by filtration. The precipitate was dried under reduced pressure to give 2.89 g (92%) of the title compound as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08969383B2
Source datasetuspto-grants-2015_03
ORD IDord-af40c2a53b1a45b486f3e3047ea4ee53
Source noteuspto-grants-2015_03