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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 57638Generated: October 30, 2026

Hydrochloric Acid → (S)-2-(methyl(4-(5-(morpholin-2-ylmethylamino)pyrido[4,3-b]pyrazin-7-yl)phenyl)amino)ethanol

https://huagongshe.com/reaction/57638

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant(R)-tert-butyl 2-((7-(4-((2-hydroxyethyl)(methyl)amino)phenyl)pyrido[4,3-b]pyrazin-5-ylamino)methyl)morpholine-4-carboxylateHCID 86717398—
SolventEthyl AcetateHCID 8857—
Product(S)-2-(methyl(4-(5-(morpholin-2-ylmethylamino)pyrido[4,3-b]pyrazin-7-yl)phenyl)amino)ethanolHCID 86717399—

Reaction Steps

(R)-tert-butyl 2-((7-(4-((2-hydroxyethyl)(methyl)amino)phenyl)pyrido[4,3-b]pyrazin-5-ylamino)methyl)morpholine-4-carboxylate was dissolved in EA (20 mL), 5M HCl in EA (10 mL) was added, the mixture was stirred at room temperature overnight. It was concentrated, treated with NH3.H2O, concentrated, purified by preparative TLC to give 10 mg reddish-brown solid. MS (m/z): 395 (M+H)+

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09434726B2
Source datasetuspto-grants-2016_09
ORD IDord-9d041276d94a431385f84fed5828250a
Source noteuspto-grants-2016_09