Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Sodium Carbonate | HCID 10340 | — |
| Reactant | 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine | HCID 2734656 | — |
| Reactant | HCID 86663322 | HCID 86663322 | — |
| Catalyst | Ferrocene-1,1'-bis-(diphenylphosphine) | HCID 635956 | — |
| Solvent | 1,4-Dioxane | HCID 31275 | — |
| Product | HCID 46913617 | HCID 46913617 | 51.7% |
Reaction Steps
To a 5 mL microwave tube was added N-(5-(7-bromoimidazo[1,2-a]pyridin-3-yl)-2-chloropyridin-3-yl)dimethylaminosulfonamide (0.107 g, 0.248 mmol), 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (0.061 g, 0.298 mmol), 1,1′-bis(diphenylphosphino)ferrocene]dichloride palladium(II) (0.018 g, 0.025 mmol), sodium carbonate (0.311 mL, 0.621 mmol), and dioxane (3 mL). The resulting mixture was sealed and heated in a microwave at 110° C. for 20 min. Solvent was removed and the residue was partitioned between pH 7-buffer (1M TRIS-HCL) and DCM. The aqueous layer was extracted with DCM (2×15 mL). The combined organic layers were dried over MgSO4 and concentrated. The crude material was purified using SiO2 chromatography (Teledyne Isco RediSep®, P/N 68-2203-340, 40 g SiO2, DCM:MeOH=97%:3% Flow=40 mL/min) to afford the desired product as light brown solid (55.0 mg). MS (EI, pos.) calcd for C19H17ClN6O2S: 428.1; found: 428.9.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08729074B2 |
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| Source dataset | uspto-grants-2014_05 |
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| ORD ID | ord-b4ab744a6c8b4547a539b14bd650de06 |
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| Source note | uspto-grants-2014_05 |
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