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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1500746Generated: November 2, 2026

Hydrogen Bromide → HCID 178516493, compound

https://huagongshe.com/reaction/1500746

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrogen BromideHCID 260—
ReactantHCID 67327927HCID 67327927—
ProductHCID 178516493HCID 178516493100%

Reaction Conditions

Temperature100 °C

Reaction Steps

48% Aqueous hydrogen bromide (19.50 mL) was added to 3-(4-methoxypyrimidin-2-yl) pyrazolo[1,5-a]pyridine (Preparation 4a, 0.30 g, 1.32 mmol) and the resulting mixture was heated to 100° C. with stirring. After 3 hours, the mixture was cooled and the resultant precipitate was filtered and dried in vacuo to give the title compound (0.28 g, 99%) as the hydrobromide salt.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09206183B2
Source datasetuspto-grants-2015_12
ORD IDord-625c7ff4699a489280a8c607c82d84bc
Source noteuspto-grants-2015_12