Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2200498Generated: October 30, 2026

Potassium Carbonate → 5-((3R,4R)-3-aminotetrahydro-2H-pyran-4-ylamino)-3-(p-tolylamino)pyrazine-2-carboxamide

https://huagongshe.com/reaction/2200498

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant5-((3R,4R)-3-aminotetrahydro-2H-pyran-4-ylamino)-3-(p-tolylamino)pyrazine-2-carbonitrileHCID 86685615—
CatalystHydrogen PeroxideHCID 784—
SolventMethanolHCID 887—
Product5-((3R,4R)-3-aminotetrahydro-2H-pyran-4-ylamino)-3-(p-tolylamino)pyrazine-2-carboxamideHCID 86685616—

Reaction Steps

To a solution of 5-((3R,4R)-3-aminotetrahydro-2H-pyran-4-ylamino)-3-(p-tolylamino)pyrazine-2-carbonitrile in methanol (1 ml) was added K2CO3 (excess) and H2O2 (50%, a few drops). After completion, it was concentrated and purified by preparative HPLC to give 5-((3R,4R)-3-aminotetrahydro-2H-pyran-4-ylamino)-3-(p-tolylamino)pyrazine-2-carboxamide. MS found for C17H22N6O2 as (M+H)+343.3, UV: λ=251.2, 302.9.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09359308B2
Source datasetuspto-grants-2016_06
ORD IDord-59fc416296f44a9f80b678d4e6f69702
Source noteuspto-grants-2016_06