HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 499843Generated: November 1, 2026
Cesium carbonate → 5-chloro-N-((1-(4-(3-(2-hydroxyethoxy)-2-oxopyridin-1(2H)-yl)phenyl)-1H-imidazol-4-yl)methyl)thiophene-2-carboxamide
https://huagongshe.com/reaction/499843
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Cesium carbonate | HCID 10796 | — |
| Reactant | 2-Bromoethanol | HCID 10898 | — |
| Reactant | HCID 24760094 | HCID 24760094 | — |
| Solvent | Dimethyl Sulfoxide | HCID 679 | — |
| Product | 5-chloro-N-((1-(4-(3-(2-hydroxyethoxy)-2-oxopyridin-1(2H)-yl)phenyl)-1H-imidazol-4-yl)methyl)thiophene-2-carboxamide | HCID 24760230 | 15.2% |
Reaction Steps
A mixture of 5-chloro-N-((1-(4-(3-hydroxy-2-oxopyridin-1(2H)-yl)phenyl)-1H-imidazol-4-yl)methyl)thiophene-2-carboxamide (30 mg, 0.070 mmol), 2-bromoethanol (0.020 mL, 0.28 mmol) and Cs2CO3 (90 mg, 0.28 mmol) in DMSO (1 mL) was stirred at 60° C. for 1 h. It was then purified by HPLC to give the titled compound (5 mg). MS 471.0 and 473.0 (M+H, Cl pattern).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US07767697B2 |
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| Source dataset | uspto-grants-2010_08 |
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| ORD ID | ord-2a606471b4984559916e4845e77e5625 |
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| Source note | uspto-grants-2010_08 |
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