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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 987538Generated: October 30, 2026

Potassium Carbonate → Alfa-oxo-1H-pyrrolo-[2,3B]pyridine-3-acetic acid monopotassium salt

https://huagongshe.com/reaction/987538

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
ReactantMethyl 7-azaindole-3-glyoxylateHCID 6028556—
SolventMethanolHCID 887—
SolventWaterHCID 962—
ProductAlfa-oxo-1H-pyrrolo-[2,3B]pyridine-3-acetic acid monopotassium saltHCID 2372119490.4%

Reaction Steps

Compound 2a (43 g, 0.21 mol) and K2CO3 (56.9 g, 0.41 mol) were dissolved in MeOH (200 ml) and H2O (200 ml). After 8 hours, product 3a precipitated out from the solution. Filtration afforded 43 g of compound 3a as a white solid in 90.4% yield.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06632819B1
Source datasetuspto-grants-2003_10
ORD IDord-afd6353664794d98b60ec340d4bef2e7
Source noteuspto-grants-2003_10