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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 246629Generated: October 29, 2026

Potassium Hydroxide → HCID 71280375, compound

https://huagongshe.com/reaction/246629

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium HydroxideHCID 14797—
ReactantHCID 71281046HCID 71281046—
SolventWaterHCID 962—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 71280375HCID 71280375113.7%

Reaction Steps

A mixture of methyl 2-(1-methyl-1H-indazol-3-yl)-5-(pivaloyloxymethyl)-5H-pyrrolo[3,2-b]pyrazine-7-carboxylate (150 mg, 0.36 mmol), potassium hydroxide (280 mg, 5 mmol) in 2.5 mL of water and 5 mL of 1,4-dioxane was heated to reflux for 90 mins. The reaction mixture was cooled to room temperature, evaporated, acidified with 1N HCl, then filtered and dried to give 2-(1-methyl-1H-indazol-3-yl)-5H-pyrrolo[3,2-b]pyrazine-7-carboxylic acid (120 mg, crude) as a brown solid. LCMS: (M+H)+=294. Used into the next step without further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08658646B2
Source datasetuspto-grants-2014_02
ORD IDord-26094cec4b304dc3aac76cbe809b3814
Source noteuspto-grants-2014_02