HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1062510Generated: October 26, 2026
Ibacitabine → 4-amino-1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl]-5-(2-pyridyl)pyrimidin-2-one
https://huagongshe.com/reaction/1062510
Participants
| Role | Name | HCID | Charge |
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| Reactant | Ibacitabine | HCID 65050 | — |
| Reactant | Pyridine, 2-(trimethylstannyl)- | HCID 11021057 | — |
| Catalyst | Dichlorobis(triphenylphosphine)palladium | HCID 6102075 | — |
| Solvent | 1,4-Dioxane | HCID 31275 | — |
| Product | 4-amino-1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl]-5-(2-pyridyl)pyrimidin-2-one | HCID 5274200 | 47.4% |
Reaction Steps
In a 25 mL pear shaped flask was placed 5-iodo-2′-deoxycytidine (0.425 g, 1.2 mmol), 2-trimethylstannylpyridine (1.4 g, 5.8 mmol), Bis (triphenylphosphine)-palladium (II) chloride (0.084 g, 0.12 mmol), and anhydrous 1,4-dioxane (15 mL). The reaction was heated at 60° C. for 15 hrs then at 90° C. for 1 h. The solvent was evaporated and the residue purified by silica gel chromatography (10% CH3OH in CH2Cl2 (1% NH3)) to yield 0.173 g (47%) of the title compound as a white solid m.p. 197-198° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US06962783B2 |
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| Source dataset | uspto-grants-2005_11 |
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| ORD ID | ord-15ac4c73d16d436dbf1b301769d96d1e |
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| Source note | uspto-grants-2005_11 |
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