Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2354103Generated: October 31, 2026

Hydrochloric Acid → (2E)-3-[5-({(3R)-1-[2-(dimethylamino) benzyl]-3-pyrrolidinyl}amino)-2-pyrazinyl]-N-hydroxyacrylamide trihydrochloride

https://huagongshe.com/reaction/2354103

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant(2E)-3-[5-({(3R)-1-[2-(dimethylamino)benzyl]-3-pyrrolidinyl}amino)-2-pyrazinyl]-N-(tetrahydro-2H-pyran-2-yloxy)acrylamideHCID 86628129—
SolventEthanolHCID 702—
SolventMethanolHCID 887—
Product(2E)-3-[5-({(3R)-1-[2-(dimethylamino) benzyl]-3-pyrrolidinyl}amino)-2-pyrazinyl]-N-hydroxyacrylamide trihydrochlorideHCID 136381712—

Reaction Steps

To a solution of (2E)-3-[5-({(3R)-1-[2-(dimethylamino)benzyl]-3-pyrrolidinyl}amino)-2-pyrazinyl]-N-(tetrahydro-2H-pyran-2-yloxy)acrylamide (236 mg) in MeOH (3.5 mL) was added 2N—HCl solution in EtOH (1.27 mL), which was stirred at room temperature for 1 hour. To the reaction mixture was dropwised IPE (9.4 mL), which was stirred further more 1 hour. The prepicitate was filtered to give (2E)-3-[5-({(3R)-1-[2-(dimethylamino) benzyl]-3-pyrrolidinyl}amino)-2-pyrazinyl]-N-hydroxyacrylamide trihydrochloride as a yellow powder (241 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07750155B2
Source datasetuspto-grants-2010_07
ORD IDord-d212853be49347c2bccaf324f8e5ff51
Source noteuspto-grants-2010_07