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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1195730Generated: November 1, 2026

Potassium Carbonate → 3-Formyl-8-(2-(trans)-hydroxy-2,3-dihydro-1-indenyloxy)-2-methyl-imidazo[1,2-a]pyridine

https://huagongshe.com/reaction/1195730

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant(1R,2R)-2-bromo-2,3-dihydro-1H-inden-1-olHCID 820607—
Reactant3-Formyl-8-hydroxy-2-methylimidazo[1,2-a]pyridineHCID 23294187—
SolventMethanol--water (1/1)HCID 22242641—
Product3-Formyl-8-(2-(trans)-hydroxy-2,3-dihydro-1-indenyloxy)-2-methyl-imidazo[1,2-a]pyridineHCID 22843825—

Reaction Steps

A mixture of 4.4 g (25 mmol) 3-formyl-8-hydroxy-2-methyl-imidazo[1,2-a]pyridine, 10.7 g (50 mmol) (trans)-2-bromo-1-indanol and 13.8 g of potassium carbonate is stirred in 120 ml of methanol/water (4:1) for 16 hours at 40° C. The mixture is worked up analogously to Example 21 and the yield of the title compound m.p. 200°-202° C. (from methanol) is 4.8 g (62%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05112834
Source datasetuspto-grants-1992_05
ORD IDord-549eaca735cf47ca9d7089df27aa2ed4
Source noteuspto-grants-1992_05