Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 711411Generated: November 1, 2026

Water → HCID 86732559, compound

https://huagongshe.com/reaction/711411

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantSodium AzideHCID 33557—
ReactantSodium BicarbonateHCID 516892—
ReactantHCID 86732557HCID 86732557—
Solventacetonitrile N,N-dimethylformamideHCID 21891449—
ProductHCID 86732559HCID 8673255970%

Reaction Steps

2-[1-oxo-7-(3-chlorophenyl)-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazin-4-yl]ethyl methanesulfonate 157 mg (0.42 mmol) were reacted with sodium azide (60 mg 0.924 mmol) in acetonitrile/DMF 10 ml/2 ml at 80° C. for 18 hours. The reaction was worked up with water, saturated NaHCO3 and extracted with ethyl acetate. The organic phase, dried on Na2SO4, was filtered and evaporated. The crude was dissolved with diethyl ether and after a while, a solid precipitated, which was filtered to give 92 mg (70%) of 4-(2-azidoethyl)-7-(3-chlorophenyl)-3,4-dihydropyrrolo[1,2-a]pyrazin-1(2H)-one.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09181258B2
Source datasetuspto-grants-2015_11
ORD IDord-c3d00152f3f84c048172babc5c78d42f
Source noteuspto-grants-2015_11