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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 539571Generated: October 30, 2026

Sodium Bicarbonate → HCID 178454232, compound

https://huagongshe.com/reaction/539571

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium BicarbonateHCID 516892—
Reactant(R)-tert-butyl 2-fluoro-2 oxo-1-(thiophen-3-yl)ethylcarbamateHCID 57788121—
ReactantHCID 178507325HCID 178507325—
SolventWaterHCID 962—
SolventDichloromethaneHCID 6344—
ProductHCID 178454232HCID 178454232—

Reaction Steps

To 6-aminoisoquinolin-1-ol in H2O was added NaHCO3 followed by a solution of (R)-tert-butyl 2-fluoro-2 oxo-1-(thiophen-3-yl)ethylcarbamate in CH2Cl2. The solution was stirred for 4 hours, extracted with EtOAc and NH4Cl(sat)/HCl (1N) and then with NaHCO3 (0.05%), dried (Na2SO4), filtered and evaporated. Column chromatography (SiO2, 5% MeOH, CH2Cl2) gave pure (R)-tert-butyl 2-(1-hydroxyisoquinolin-6-ylamino)-2-oxo-1-(thiophen-3-yl)ethylcarbamate (95% ee by Chiracel OD-RH)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08871757B2
Source datasetuspto-grants-2014_10
ORD IDord-6df4d6467bb14a31a51afe15f7f0cb19
Source noteuspto-grants-2014_10