Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1968550Generated: October 30, 2026

Hydrogen Bromide → HCID 49788132, compound

https://huagongshe.com/reaction/1968550

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrogen BromideHCID 260—
ReactantHCID 49788129HCID 49788129—
SolventAcetic AcidHCID 176—
SolventDiethyl EtherHCID 3283—
SolventDichloromethaneHCID 6344—
ProductHCID 49788132HCID 4978813288%

Reaction Steps

A solution of 4-(2-amino-pyrimidin-4-yl)-2-cyano-4-oxo-butyric acid ethyl ester (364 mg, 1.47 mmol) in anhydrous Et2O and DCM (1:1 10 mL) was added dropwise to 4.5 mL of 33% HBr in AcOH at 0° C. The mixture was left at 0° C. for 30 min and then at rt until disappearance of the starting material. The solid was filtered, washed with acetone and MeOH, neutralized with 7N NH3 in MeOH to afford 400 mg (88%) of the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08426417B2
Source datasetuspto-grants-2013_04
ORD IDord-5bf71a72427740a0aac3d6cf4f9d826f
Source noteuspto-grants-2013_04