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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1365067Generated: October 31, 2026

Guanidine Hydrochloride → HCID 57732438, compound

https://huagongshe.com/reaction/1365067

Reaction equation

Participants

RoleNameHCIDCharge
ReactantGuanidine HydrochlorideHCID 5742—
ReactantPotassium CarbonateHCID 11430—
ReactantHCID 57732419HCID 57732419—
SolventEthanolHCID 702—
ProductHCID 57732438HCID 57732438—

Reaction Conditions

Temperature150 °C

Reaction Steps

A 5 mL microwave tube was charged with (2E)-3-(dimethylamino)-1-{4-fluoro-3-[hydroxy(phenyl)methyl]phenyl}-2-propen-1-one (0.2 mmol), guanidine hydrochloride (0.4 mmol), potassium carbonate (0.6 mmol) and ethanol (3.5 mL). The reaction was heated to 150° C. for 600 s using microwave irradiation. The reaction was concentrated to dryness and the residue was taken up in water and extracted with ethyl acetate. The organics were dried over magnesium sulfate, filtered and concentrated to dryness. Reconcentration from diethyl ether provided [5-(2-amino-4-pyrimidinyl)-2-fluorophenyl]-(phenyl)methanol as a white foam. H1 NMR (d6-dmso): 8.34 (dd, 1H), 8.26 (d, 1H), 7.93 (m, 1H), 7.31 (m, 4H), 7.21 (m, 2H), 7.05 (d, 1H), 6.67 (br s, 2H), 6.10 (d, 1H), 5.94 (d, 1H). Mass (ES+)=296.1 (100%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07888503B2
Source datasetuspto-grants-2011_02
ORD IDord-324b05634be94cb9a2a58e50e91bc03a
Source noteuspto-grants-2011_02